Release v5.3.33

Closes gh-32440

build.gradle

@@ -28,11 +28,11 @@ configure(allprojects) { project ->
 	dependencyManagement {
 		imports {
 			mavenBom "com.fasterxml.jackson:jackson-bom:2.12.7"
-			mavenBom "io.netty:netty-bom:4.1.101.Final"
-			mavenBom "io.projectreactor:reactor-bom:2020.0.38"
+			mavenBom "io.netty:netty-bom:4.1.107.Final"
+			mavenBom "io.projectreactor:reactor-bom:2020.0.42"
 			mavenBom "io.r2dbc:r2dbc-bom:Arabba-SR13"
 			mavenBom "io.rsocket:rsocket-bom:1.1.3"
-			mavenBom "org.eclipse.jetty:jetty-bom:9.4.53.v20231009"
+			mavenBom "org.eclipse.jetty:jetty-bom:9.4.54.v20240208"
 			mavenBom "org.jetbrains.kotlin:kotlin-bom:1.5.32"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.5.2"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-serialization-bom:1.2.2"
@@ -139,7 +139,7 @@ configure(allprojects) { project ->
 				entry 'tomcat-embed-core'
 				entry 'tomcat-embed-websocket'
 			}
-			dependencySet(group: 'io.undertow', version: '2.2.28.Final') {
+			dependencySet(group: 'io.undertow', version: '2.2.29.Final') {
 				entry 'undertow-core'
 				entry('undertow-servlet') {
 					exclude group: "org.jboss.spec.javax.servlet", name: "jboss-servlet-api_4.0_spec"
@@ -340,7 +340,7 @@ configure([rootProject] + javaProjects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "10.12.5"
+		toolVersion = "10.12.7"
 		configDirectory.set(rootProject.file("src/checkstyle"))
 	}
 
@@ -362,7 +362,7 @@ configure([rootProject] + javaProjects) { project ->
 		// JSR-305 only used for non-required meta-annotations
 		compileOnly("com.google.code.findbugs:jsr305")
 		testCompileOnly("com.google.code.findbugs:jsr305")
-		checkstyle("io.spring.javaformat:spring-javaformat-checkstyle:0.0.31")
+		checkstyle("io.spring.javaformat:spring-javaformat-checkstyle:0.0.41")
 	}
 
 	ext.javadocLinks = [
@@ -375,8 +375,9 @@ configure([rootProject] + javaProjects) { project ->
 			"https://tiles.apache.org/tiles-request/apidocs/",
 			"https://tiles.apache.org/framework/apidocs/",
 			"https://www.eclipse.org/aspectj/doc/released/aspectj5rt-api/",
-			"https://www.ehcache.org/apidocs/2.10.4/",
-			"https://www.quartz-scheduler.org/api/2.3.0/",
+			// Temporarily commenting out Ehcache and Quartz since javadoc on JDK 8 cannot access them.
+			// "https://www.ehcache.org/apidocs/2.10.4/",
+			// "https://www.quartz-scheduler.org/api/2.3.0/",
 			"https://www.javadoc.io/doc/com.fasterxml.jackson.core/jackson-core/2.12.7/",
 			"https://www.javadoc.io/doc/com.fasterxml.jackson.core/jackson-databind/2.12.7/",
 			"https://www.javadoc.io/doc/com.fasterxml.jackson.dataformat/jackson-dataformat-xml/2.12.7/",
@@ -388,7 +389,8 @@ configure([rootProject] + javaProjects) { project ->
 			// "https://junit.org/junit5/docs/5.8.2/api/",
 			"https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/",
 			"https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/",
-			"https://r2dbc.io/spec/0.8.5.RELEASE/api/",
+			// Temporarily commenting out R2DBC since javadoc on JDK 8 cannot access it.
+			// "https://r2dbc.io/spec/0.8.5.RELEASE/api/",
 			// The external Javadoc link for JSR 305 must come last to ensure that types from
 			// JSR 250 (such as @PostConstruct) are still supported. This is due to the fact
 			// that JSR 250 and JSR 305 both define types in javax.annotation, which results

ci/images/ci-image/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230624
+FROM ubuntu:jammy-20240111
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh

ci/images/get-jdk-url.sh

@@ -3,10 +3,10 @@ set -e
 
 case "$1" in
 	java8)
-		 echo "https://github.com/bell-sw/Liberica/releases/download/8u372+7/bellsoft-jdk8u372+7-linux-amd64.tar.gz"
+		 echo "https://github.com/bell-sw/Liberica/releases/download/8u402%2B7/bellsoft-jdk8u402+7-linux-amd64.tar.gz"
 	;;
 	java17)
-		echo "https://github.com/bell-sw/Liberica/releases/download/17.0.7+7/bellsoft-jdk17.0.7+7-linux-amd64.tar.gz"
+		echo "https://github.com/bell-sw/Liberica/releases/download/17.0.10%2B13/bellsoft-jdk17.0.10+13-linux-amd64.tar.gz"
 	;;
 	*)
 		echo $"Unknown java version"

gradle.properties

@@ -1,4 +1,4 @@
-version=5.3.31-SNAPSHOT
+version=5.3.33
 org.gradle.jvmargs=-Xmx2048m
 org.gradle.caching=true
 org.gradle.parallel=true

gradle/docs-dokka.gradle

@@ -5,7 +5,7 @@ tasks.findByName("dokkaHtmlPartial")?.configure {
 			sourceRoots.setFrom(file("src/main/kotlin"))
 			classpath.from(sourceSets["main"].runtimeClasspath)
 			externalDocumentationLink {
-				url.set(new URL("https://docs.spring.io/spring-framework/docs/current/javadoc-api/"))
+				url.set(new URL("https://docs.spring.io/spring-framework/docs/5.3.x/javadoc-api/"))
 			}
 			externalDocumentationLink {
 				url.set(new URL("https://projectreactor.io/docs/core/release/api/"))

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/InstantiationModelAwarePointcutAdvisorImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,8 @@ import org.springframework.lang.Nullable;
 
 /**
  * Internal implementation of AspectJPointcutAdvisor.
- * Note that there will be one instance of this advisor for each target method.
+ *
+ * <p>Note that there will be one instance of this advisor for each target method.
  *
  * @author Rod Johnson
  * @author Juergen Hoeller
@@ -293,7 +294,7 @@ final class InstantiationModelAwarePointcutAdvisorImpl
 		@Override
 		public boolean matches(Method method, Class<?> targetClass, Object... args) {
 			// This can match only on declared pointcut.
-			return (isAspectMaterialized() && this.declaredPointcut.matches(method, targetClass));
+			return (isAspectMaterialized() && this.declaredPointcut.matches(method, targetClass, args));
 		}
 
 		private boolean isAspectMaterialized() {

spring-aop/src/main/java/org/springframework/aop/support/AopUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -186,10 +186,10 @@ public abstract class AopUtils {
 	 * this method resolves bridge methods in order to retrieve attributes from
 	 * the <i>original</i> method definition.
 	 * @param method the method to be invoked, which may come from an interface
-	 * @param targetClass the target class for the current invocation.
-	 * May be {@code null} or may not even implement the method.
+	 * @param targetClass the target class for the current invocation
+	 * (can be {@code null} or may not even implement the method)
 	 * @return the specific target method, or the original method if the
-	 * {@code targetClass} doesn't implement it or is {@code null}
+	 * {@code targetClass} does not implement it
 	 * @see org.springframework.util.ClassUtils#getMostSpecificMethod
 	 */
 	public static Method getMostSpecificMethod(Method method, @Nullable Class<?> targetClass) {

spring-aop/src/test/java/org/springframework/aop/aspectj/annotation/ArgumentBindingTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,56 +38,67 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  * @author Adrian Colyer
  * @author Juergen Hoeller
  * @author Chris Beams
+ * @author Sam Brannen
  */
-public class ArgumentBindingTests {
+class ArgumentBindingTests {
 
 	@Test
-	public void testBindingInPointcutUsedByAdvice() {
-		TestBean tb = new TestBean();
-		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(tb);
-		proxyFactory.addAspect(NamedPointcutWithArgs.class);
-
-		ITestBean proxiedTestBean = proxyFactory.getProxy();
-		assertThatIllegalArgumentException().isThrownBy(() ->
-				proxiedTestBean.setName("Supercalifragalisticexpialidocious"));
-	}
-
-	@Test
-	public void testAnnotationArgumentNameBinding() {
-		TransactionalBean tb = new TransactionalBean();
-		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(tb);
+	void annotationArgumentNameBinding() {
+		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TransactionalBean());
 		proxyFactory.addAspect(PointcutWithAnnotationArgument.class);
-
 		ITransactionalBean proxiedTestBean = proxyFactory.getProxy();
-		assertThatIllegalStateException().isThrownBy(
-				proxiedTestBean::doInTransaction);
+
+		assertThatIllegalStateException()
+				.isThrownBy(proxiedTestBean::doInTransaction)
+				.withMessage("Invoked with @Transactional");
 	}
 
 	@Test
-	public void testParameterNameDiscoverWithReferencePointcut() throws Exception {
+	void bindingInPointcutUsedByAdvice() {
+		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
+		proxyFactory.addAspect(NamedPointcutWithArgs.class);
+		ITestBean proxiedTestBean = proxyFactory.getProxy();
+
+		assertThatIllegalArgumentException()
+				.isThrownBy(() -> proxiedTestBean.setName("enigma"))
+				.withMessage("enigma");
+	}
+
+	@Test
+	void bindingWithDynamicAdvice() {
+		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
+		proxyFactory.addAspect(DynamicPointcutWithArgs.class);
+		ITestBean proxiedTestBean = proxyFactory.getProxy();
+
+		proxiedTestBean.applyName(1);
+		assertThatIllegalArgumentException()
+				.isThrownBy(() -> proxiedTestBean.applyName("enigma"))
+				.withMessage("enigma");
+	}
+
+	@Test
+	void parameterNameDiscoverWithReferencePointcut() throws Exception {
 		AspectJAdviceParameterNameDiscoverer discoverer =
 				new AspectJAdviceParameterNameDiscoverer("somepc(formal) && set(* *)");
 		discoverer.setRaiseExceptions(true);
-		Method methodUsedForParameterTypeDiscovery =
-				getClass().getMethod("methodWithOneParam", String.class);
-		String[] pnames = discoverer.getParameterNames(methodUsedForParameterTypeDiscovery);
-		assertThat(pnames.length).as("one parameter name").isEqualTo(1);
-		assertThat(pnames[0]).isEqualTo("formal");
+		Method method = getClass().getDeclaredMethod("methodWithOneParam", String.class);
+		assertThat(discoverer.getParameterNames(method)).containsExactly("formal");
 	}
 
 
-	public void methodWithOneParam(String aParam) {
+	@SuppressWarnings("unused")
+	private void methodWithOneParam(String aParam) {
 	}
 
 
-	public interface ITransactionalBean {
+	interface ITransactionalBean {
 
 		@Transactional
 		void doInTransaction();
 	}
 
 
-	public static class TransactionalBean implements ITransactionalBean {
+	static class TransactionalBean implements ITransactionalBean {
 
 		@Override
 		@Transactional
@@ -95,38 +106,46 @@ public class ArgumentBindingTests {
 		}
 	}
 
-}
 
-/**
- * Represents Spring's Transactional annotation without actually introducing the dependency
- */
-@Retention(RetentionPolicy.RUNTIME)
-@interface Transactional {
-}
+	/**
+	 * Mimics Spring's @Transactional annotation without actually introducing the dependency.
+	 */
+	@Retention(RetentionPolicy.RUNTIME)
+	@interface Transactional {
+	}
 
 
-@Aspect
-class PointcutWithAnnotationArgument {
+	@Aspect
+	static class PointcutWithAnnotationArgument {
 
-	@Around(value = "execution(* org.springframework..*.*(..)) && @annotation(transaction)")
-	public Object around(ProceedingJoinPoint pjp, Transactional transaction) throws Throwable {
-		System.out.println("Invoked with transaction " + transaction);
-		throw new IllegalStateException();
+		@Around("execution(* org.springframework..*.*(..)) && @annotation(transactional)")
+		public Object around(ProceedingJoinPoint pjp, Transactional transactional) throws Throwable {
+			throw new IllegalStateException("Invoked with @Transactional");
+		}
+	}
+
+
+	@Aspect
+	static class NamedPointcutWithArgs {
+
+		@Pointcut("execution(* *(..)) && args(s,..)")
+		public void pointcutWithArgs(String s) {}
+
+		@Around("pointcutWithArgs(aString)")
+		public Object doAround(ProceedingJoinPoint pjp, String aString) throws Throwable {
+			throw new IllegalArgumentException(aString);
+		}
+	}
+
+
+	@Aspect("pertarget(execution(* *(..)))")
+	static class DynamicPointcutWithArgs {
+
+		@Around("execution(* *(..)) && args(java.lang.String)")
+		public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
+			throw new IllegalArgumentException(String.valueOf(pjp.getArgs()[0]));
+		}
 	}
 
 }
 
-
-@Aspect
-class NamedPointcutWithArgs {
-
-	@Pointcut("execution(* *(..)) && args(s,..)")
-	public void pointcutWithArgs(String s) {}
-
-	@Around("pointcutWithArgs(aString)")
-	public Object doAround(ProceedingJoinPoint pjp, String aString) throws Throwable {
-		System.out.println("got '" + aString + "' at '" + pjp + "'");
-		throw new IllegalArgumentException(aString);
-	}
-
-}

spring-aop/src/test/java/org/springframework/aop/support/AopUtilsTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,29 +17,35 @@
 package org.springframework.aop.support;
 
 import java.lang.reflect.Method;
+import java.util.List;
 
 import org.junit.jupiter.api.Test;
 
 import org.springframework.aop.ClassFilter;
 import org.springframework.aop.MethodMatcher;
 import org.springframework.aop.Pointcut;
+import org.springframework.aop.framework.ProxyFactory;
 import org.springframework.aop.interceptor.ExposeInvocationInterceptor;
 import org.springframework.aop.target.EmptyTargetSource;
 import org.springframework.aop.testfixture.interceptor.NopInterceptor;
 import org.springframework.beans.testfixture.beans.TestBean;
+import org.springframework.core.ResolvableType;
 import org.springframework.core.testfixture.io.SerializationTestUtils;
 import org.springframework.lang.Nullable;
+import org.springframework.util.ReflectionUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * @author Rod Johnson
  * @author Chris Beams
+ * @author Sebastien Deleuze
+ * @author Juergen Hoeller
  */
-public class AopUtilsTests {
+class AopUtilsTests {
 
 	@Test
-	public void testPointcutCanNeverApply() {
+	void testPointcutCanNeverApply() {
 		class TestPointcut extends StaticMethodMatcherPointcut {
 			@Override
 			public boolean matches(Method method, @Nullable Class<?> clazzy) {
@@ -52,13 +58,13 @@ public class AopUtilsTests {
 	}
 
 	@Test
-	public void testPointcutAlwaysApplies() {
+	void testPointcutAlwaysApplies() {
 		assertThat(AopUtils.canApply(new DefaultPointcutAdvisor(new NopInterceptor()), Object.class)).isTrue();
 		assertThat(AopUtils.canApply(new DefaultPointcutAdvisor(new NopInterceptor()), TestBean.class)).isTrue();
 	}
 
 	@Test
-	public void testPointcutAppliesToOneMethodOnObject() {
+	void testPointcutAppliesToOneMethodOnObject() {
 		class TestPointcut extends StaticMethodMatcherPointcut {
 			@Override
 			public boolean matches(Method method, @Nullable Class<?> clazz) {
@@ -78,7 +84,7 @@ public class AopUtilsTests {
 	 * that's subverted the singleton construction limitation.
 	 */
 	@Test
-	public void testCanonicalFrameworkClassesStillCanonicalOnDeserialization() throws Exception {
+	void testCanonicalFrameworkClassesStillCanonicalOnDeserialization() throws Exception {
 		assertThat(SerializationTestUtils.serializeAndDeserialize(MethodMatcher.TRUE)).isSameAs(MethodMatcher.TRUE);
 		assertThat(SerializationTestUtils.serializeAndDeserialize(ClassFilter.TRUE)).isSameAs(ClassFilter.TRUE);
 		assertThat(SerializationTestUtils.serializeAndDeserialize(Pointcut.TRUE)).isSameAs(Pointcut.TRUE);
@@ -88,4 +94,45 @@ public class AopUtilsTests {
 		assertThat(SerializationTestUtils.serializeAndDeserialize(ExposeInvocationInterceptor.INSTANCE)).isSameAs(ExposeInvocationInterceptor.INSTANCE);
 	}
 
+	@Test
+	void testInvokeJoinpointUsingReflection() throws Throwable {
+		String name = "foo";
+		TestBean testBean = new TestBean(name);
+		Method method = ReflectionUtils.findMethod(TestBean.class, "getName");
+		Object result = AopUtils.invokeJoinpointUsingReflection(testBean, method, new Object[0]);
+		assertThat(result).isEqualTo(name);
+	}
+
+	@Test  // gh-32365
+	void mostSpecificMethodBetweenJdkProxyAndTarget() throws Exception {
+		Class<?> proxyClass = new ProxyFactory(new WithInterface()).getProxy(getClass().getClassLoader()).getClass();
+		Method specificMethod = AopUtils.getMostSpecificMethod(proxyClass.getMethod("handle", List.class), WithInterface.class);
+		assertThat(ResolvableType.forMethodParameter(specificMethod, 0).getGeneric().toClass()).isEqualTo(String.class);
+	}
+
+	@Test  // gh-32365
+	void mostSpecificMethodBetweenCglibProxyAndTarget() throws Exception {
+		Class<?> proxyClass = new ProxyFactory(new WithoutInterface()).getProxy(getClass().getClassLoader()).getClass();
+		Method specificMethod = AopUtils.getMostSpecificMethod(proxyClass.getMethod("handle", List.class), WithoutInterface.class);
+		assertThat(ResolvableType.forMethodParameter(specificMethod, 0).getGeneric().toClass()).isEqualTo(String.class);
+	}
+
+
+	interface ProxyInterface {
+
+		void handle(List<String> list);
+	}
+
+	static class WithInterface implements ProxyInterface {
+
+		public void handle(List<String> list) {
+		}
+	}
+
+	static class WithoutInterface {
+
+		public void handle(List<String> list) {
+		}
+	}
+
 }

spring-beans/src/main/java/org/springframework/beans/factory/annotation/QualifierAnnotationAutowireCandidateResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -292,7 +292,7 @@ public class QualifierAnnotationAutowireCandidateResolver extends GenericTypeAwa
 			if (actualValue != null) {
 				actualValue = typeConverter.convertIfNecessary(actualValue, expectedValue.getClass());
 			}
-			if (!expectedValue.equals(actualValue)) {
+			if (!ObjectUtils.nullSafeEquals(expectedValue, actualValue)) {
 				return false;
 			}
 		}

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java

@@ -97,10 +97,10 @@ import org.springframework.util.StringUtils;
  * Supports autowiring constructors, properties by name, and properties by type.
  *
  * <p>The main template method to be implemented by subclasses is
- * {@link #resolveDependency(DependencyDescriptor, String, Set, TypeConverter)},
- * used for autowiring by type. In case of a factory which is capable of searching
- * its bean definitions, matching beans will typically be implemented through such
- * a search. For other factory styles, simplified matching algorithms can be implemented.
+ * {@link #resolveDependency(DependencyDescriptor, String, Set, TypeConverter)}, used for
+ * autowiring. In case of a {@link org.springframework.beans.factory.ListableBeanFactory}
+ * which is capable of searching its bean definitions, matching beans will typically be
+ * implemented through such a search. Otherwise, simplified matching can be implemented.
  *
  * <p>Note that this class does <i>not</i> assume or implement bean definition
  * registry capabilities. See {@link DefaultListableBeanFactory} for an implementation
@@ -675,7 +675,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 		// Apply SmartInstantiationAwareBeanPostProcessors to predict the
 		// eventual type after a before-instantiation shortcut.
 		if (targetType != null && !mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
-			boolean matchingOnlyFactoryBean = typesToMatch.length == 1 && typesToMatch[0] == FactoryBean.class;
+			boolean matchingOnlyFactoryBean = (typesToMatch.length == 1 && typesToMatch[0] == FactoryBean.class);
 			for (SmartInstantiationAwareBeanPostProcessor bp : getBeanPostProcessorCache().smartInstantiationAware) {
 				Class<?> predicted = bp.predictBeanType(targetType, beanName);
 				if (predicted != null &&

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -166,6 +166,9 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 	/** Map from scope identifier String to corresponding Scope. */
 	private final Map<String, Scope> scopes = new LinkedHashMap<>(8);
 
+	/** Application startup metrics. **/
+	private ApplicationStartup applicationStartup = ApplicationStartup.DEFAULT;
+
 	/** Security context used when running with a SecurityManager. */
 	@Nullable
 	private SecurityContextProvider securityContextProvider;
@@ -180,8 +183,6 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 	private final ThreadLocal<Object> prototypesCurrentlyInCreation =
 			new NamedThreadLocal<>("Prototype beans currently in creation");
 
-	/** Application startup metrics. **/
-	private ApplicationStartup applicationStartup = ApplicationStartup.DEFAULT;
 
 	/**
 	 * Create a new AbstractBeanFactory.
@@ -749,7 +750,7 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 			aliases.add(fullBeanName);
 		}
 		String[] retrievedAliases = super.getAliases(beanName);
-		String prefix = factoryPrefix ? FACTORY_BEAN_PREFIX : "";
+		String prefix = (factoryPrefix ? FACTORY_BEAN_PREFIX : "");
 		for (String retrievedAlias : retrievedAliases) {
 			String alias = prefix + retrievedAlias;
 			if (!alias.equals(name)) {

spring-beans/src/main/java/org/springframework/beans/factory/support/ConstructorResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -107,11 +107,7 @@ class ConstructorResolver {
 
 	/**
 	 * "autowire constructor" (with constructor arguments by type) behavior.
-	 * Also applied if explicit constructor argument values are specified,
-	 * matching all remaining arguments with beans from the bean factory.
-	 * <p>This corresponds to constructor injection: In this mode, a Spring
-	 * bean factory is able to host components that expect constructor-based
-	 * dependency resolution.
+	 * Also applied if explicit constructor argument values are specified.
 	 * @param beanName the name of the bean
 	 * @param mbd the merged bean definition for the bean
 	 * @param chosenCtors chosen candidate constructors (or {@code null} if none)
@@ -604,13 +600,10 @@ class ConstructorResolver {
 				String argDesc = StringUtils.collectionToCommaDelimitedString(argTypes);
 				throw new BeanCreationException(mbd.getResourceDescription(), beanName,
 						"No matching factory method found on class [" + factoryClass.getName() + "]: " +
-						(mbd.getFactoryBeanName() != null ?
-							"factory bean '" + mbd.getFactoryBeanName() + "'; " : "") +
+						(mbd.getFactoryBeanName() != null ? "factory bean '" + mbd.getFactoryBeanName() + "'; " : "") +
 						"factory method '" + mbd.getFactoryMethodName() + "(" + argDesc + ")'. " +
-						"Check that a method with the specified name " +
-						(minNrOfArgs > 0 ? "and arguments " : "") +
-						"exists and that it is " +
-						(isStatic ? "static" : "non-static") + ".");
+						"Check that a method with the specified name " + (minNrOfArgs > 0 ? "and arguments " : "") +
+						"exists and that it is " + (isStatic ? "static" : "non-static") + ".");
 			}
 			else if (void.class == factoryMethodToUse.getReturnType()) {
 				throw new BeanCreationException(mbd.getResourceDescription(), beanName,

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultSingletonBeanRegistry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -567,16 +567,16 @@ public class DefaultSingletonBeanRegistry extends SimpleAliasRegistry implements
 	 */
 	protected void destroyBean(String beanName, @Nullable DisposableBean bean) {
 		// Trigger destruction of dependent beans first...
-		Set<String> dependencies;
+		Set<String> dependentBeanNames;
 		synchronized (this.dependentBeanMap) {
 			// Within full synchronization in order to guarantee a disconnected Set
-			dependencies = this.dependentBeanMap.remove(beanName);
+			dependentBeanNames = this.dependentBeanMap.remove(beanName);
 		}
-		if (dependencies != null) {
+		if (dependentBeanNames != null) {
 			if (logger.isTraceEnabled()) {
-				logger.trace("Retrieved dependent beans for bean '" + beanName + "': " + dependencies);
+				logger.trace("Retrieved dependent beans for bean '" + beanName + "': " + dependentBeanNames);
 			}
-			for (String dependentBeanName : dependencies) {
+			for (String dependentBeanName : dependentBeanNames) {
 				destroySingleton(dependentBeanName);
 			}
 		}

spring-beans/src/main/java/org/springframework/beans/propertyeditors/PathEditor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -78,8 +78,10 @@ public class PathEditor extends PropertyEditorSupport {
 		if (nioPathCandidate && !text.startsWith("/")) {
 			try {
 				URI uri = new URI(text);
-				if (uri.getScheme() != null) {
-					nioPathCandidate = false;
+				String scheme = uri.getScheme();
+				if (scheme != null) {
+					// No NIO candidate except for "C:" style drive letters
+					nioPathCandidate = (scheme.length() == 1);
 					// Let's try NIO file system providers via Paths.get(URI)
 					setValue(Paths.get(uri).normalize());
 					return;
@@ -109,7 +111,8 @@ public class PathEditor extends PropertyEditorSupport {
 				setValue(resource.getFile().toPath());
 			}
 			catch (IOException ex) {
-				throw new IllegalArgumentException("Failed to retrieve file for " + resource, ex);
+				throw new IllegalArgumentException(
+						"Could not retrieve file for " + resource + ": " + ex.getMessage());
 			}
 		}
 	}

spring-beans/src/testFixtures/java/org/springframework/beans/testfixture/beans/ITestBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,6 +33,10 @@ public interface ITestBean extends AgeHolder {
 
 	void setName(String name);
 
+	default void applyName(Object name) {
+		setName(String.valueOf(name));
+	}
+
 	ITestBean getSpouse();
 
 	void setSpouse(ITestBean spouse);

spring-context-support/src/main/java/org/springframework/cache/caffeine/CaffeineCacheManager.java

@@ -236,7 +236,7 @@ public class CaffeineCacheManager implements CacheManager {
 	 * Build a common {@link CaffeineCache} instance for the specified cache name,
 	 * using the common Caffeine configuration specified on this cache manager.
 	 * <p>Delegates to {@link #adaptCaffeineCache} as the adaptation method to
-	 * Spring's cache abstraction (allowing for centralized decoration etc),
+	 * Spring's cache abstraction (allowing for centralized decoration etc.),
 	 * passing in a freshly built native Caffeine Cache instance.
 	 * @param name the name of the cache
 	 * @return the Spring CaffeineCache adapter (or a decorator thereof)

spring-context/src/main/java/org/springframework/cache/annotation/CacheConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,6 +32,7 @@ import java.lang.annotation.Target;
  * @author Stephane Nicoll
  * @author Sam Brannen
  * @since 4.1
+ * @see Cacheable
  */
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
@@ -42,8 +43,10 @@ public @interface CacheConfig {
 	 * Names of the default caches to consider for caching operations defined
 	 * in the annotated class.
 	 * <p>If none is set at the operation level, these are used instead of the default.
-	 * <p>May be used to determine the target cache (or caches), matching the
-	 * qualifier value or the bean names of a specific bean definition.
+	 * <p>Names may be used to determine the target cache(s), to be resolved via the
+	 * configured {@link #cacheResolver()} which typically delegates to
+	 * {@link org.springframework.cache.CacheManager#getCache}.
+	 * For further details see {@link Cacheable#cacheNames()}.
 	 */
 	String[] cacheNames() default {};
 

spring-context/src/main/java/org/springframework/cache/annotation/Cacheable.java

@@ -68,8 +68,12 @@ public @interface Cacheable {
 
 	/**
 	 * Names of the caches in which method invocation results are stored.
-	 * <p>Names may be used to determine the target cache (or caches), matching
-	 * the qualifier value or bean name of a specific bean definition.
+	 * <p>Names may be used to determine the target cache(s), to be resolved via the
+	 * configured {@link #cacheResolver()} which typically delegates to
+	 * {@link org.springframework.cache.CacheManager#getCache}.
+	 * <p>This will usually be a single cache name. If multiple names are specified,
+	 * they will be consulted for a cache hit in the order of definition, and they
+	 * will all receive a put/evict request for the same newly cached value.
 	 * @since 4.2
 	 * @see #value
 	 * @see CacheConfig#cacheNames

spring-context/src/main/java/org/springframework/cache/interceptor/CacheAspectSupport.java

@@ -547,10 +547,10 @@ public abstract class CacheAspectSupport extends AbstractCacheInvoker
 	}
 
 	/**
-	 * Collect the {@link CachePutRequest} for all {@link CacheOperation} using
-	 * the specified result value.
+	 * Collect a {@link CachePutRequest} for every {@link CacheOperation}
+	 * using the specified result value.
 	 * @param contexts the contexts to handle
-	 * @param result the result value (never {@code null})
+	 * @param result the result value
 	 * @param putRequests the collection to update
 	 */
 	private void collectPutRequests(Collection<CacheOperationContext> contexts,

spring-context/src/main/java/org/springframework/cache/interceptor/CacheOperationInvoker.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,7 @@ import org.springframework.lang.Nullable;
  * Abstract the invocation of a cache operation.
  *
  * <p>Does not provide a way to transmit checked exceptions but
- * provide a special exception that should be used to wrap any
+ * provides a special exception that should be used to wrap any
  * exception that was thrown by the underlying invocation.
  * Callers are expected to handle this issue type specifically.
  *

spring-context/src/main/java/org/springframework/context/SmartLifecycle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -121,7 +121,7 @@ public interface SmartLifecycle extends Lifecycle, Phased {
 	/**
 	 * Return the phase that this lifecycle object is supposed to run in.
 	 * <p>The default implementation returns {@link #DEFAULT_PHASE} in order to
-	 * let {@code stop()} callbacks execute after regular {@code Lifecycle}
+	 * let {@code stop()} callbacks execute before regular {@code Lifecycle}
 	 * implementations.
 	 * @see #isAutoStartup()
 	 * @see #start()

spring-context/src/main/java/org/springframework/context/annotation/ClassPathScanningCandidateComponentProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,11 +62,13 @@ import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 
 /**
- * A component provider that provides candidate components from a base package. Can
- * use {@link CandidateComponentsIndex the index} if it is available of scans the
- * classpath otherwise. Candidate components are identified by applying exclude and
- * include filters. {@link AnnotationTypeFilter}, {@link AssignableTypeFilter} include
- * filters on an annotation/superclass that are annotated with {@link Indexed} are
+ * A component provider that scans for candidate components starting from a
+ * specified base package. Can use the {@linkplain CandidateComponentsIndex component
+ * index}, if it is available, and scans the classpath otherwise.
+ *
+ * <p>Candidate components are identified by applying exclude and include filters.
+ * {@link AnnotationTypeFilter} and {@link AssignableTypeFilter} include filters
+ * for an annotation/target-type that is annotated with {@link Indexed} are
  * supported: if any other include filter is specified, the index is ignored and
  * classpath scanning is used instead.
  *
@@ -304,7 +306,7 @@ public class ClassPathScanningCandidateComponentProvider implements EnvironmentC
 
 
 	/**
-	 * Scan the class path for candidate components.
+	 * Scan the component index or class path for candidate components.
 	 * @param basePackage the package to check for annotated classes
 	 * @return a corresponding Set of autodetected bean definitions
 	 */
@@ -318,7 +320,7 @@ public class ClassPathScanningCandidateComponentProvider implements EnvironmentC
 	}
 
 	/**
-	 * Determine if the index can be used by this instance.
+	 * Determine if the component index can be used by this instance.
 	 * @return {@code true} if the index is available and the configuration of this
 	 * instance is supported by it, {@code false} otherwise
 	 * @since 5.0
@@ -454,8 +456,7 @@ public class ClassPathScanningCandidateComponentProvider implements EnvironmentC
 					}
 				}
 				catch (Throwable ex) {
-					throw new BeanDefinitionStoreException(
-							"Failed to read candidate component class: " + resource, ex);
+					throw new BeanDefinitionStoreException("Failed to read candidate component class: " + resource, ex);
 				}
 			}
 		}

spring-context/src/main/java/org/springframework/context/annotation/CommonAnnotationBeanPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -402,8 +402,8 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 				if (!BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)) {
 					return;
 				}
-				if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
-					if (webServiceRefClass != null && bridgedMethod.isAnnotationPresent(webServiceRefClass)) {
+				if (webServiceRefClass != null && bridgedMethod.isAnnotationPresent(webServiceRefClass)) {
+					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@WebServiceRef annotation is not supported on static methods");
 						}
@@ -413,7 +413,9 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 						PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
 						currElements.add(new WebServiceRefElement(method, bridgedMethod, pd));
 					}
-					else if (ejbClass != null && bridgedMethod.isAnnotationPresent(ejbClass)) {
+				}
+				else if (ejbClass != null && bridgedMethod.isAnnotationPresent(ejbClass)) {
+					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@EJB annotation is not supported on static methods");
 						}
@@ -423,7 +425,9 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 						PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
 						currElements.add(new EjbRefElement(method, bridgedMethod, pd));
 					}
-					else if (bridgedMethod.isAnnotationPresent(Resource.class)) {
+				}
+				else if (bridgedMethod.isAnnotationPresent(Resource.class)) {
+					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@Resource annotation is not supported on static methods");
 						}

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClass.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -72,7 +72,6 @@ final class ConfigurationClass {
 	 * Create a new {@link ConfigurationClass} with the given name.
 	 * @param metadataReader reader used to parse the underlying {@link Class}
 	 * @param beanName must not be {@code null}
-	 * @see ConfigurationClass#ConfigurationClass(Class, ConfigurationClass)
 	 */
 	ConfigurationClass(MetadataReader metadataReader, String beanName) {
 		Assert.notNull(beanName, "Bean name must not be null");
@@ -86,10 +85,10 @@ final class ConfigurationClass {
 	 * using the {@link Import} annotation or automatically processed as a nested
 	 * configuration class (if importedBy is not {@code null}).
 	 * @param metadataReader reader used to parse the underlying {@link Class}
-	 * @param importedBy the configuration class importing this one or {@code null}
+	 * @param importedBy the configuration class importing this one
 	 * @since 3.1.1
 	 */
-	ConfigurationClass(MetadataReader metadataReader, @Nullable ConfigurationClass importedBy) {
+	ConfigurationClass(MetadataReader metadataReader, ConfigurationClass importedBy) {
 		this.metadata = metadataReader.getAnnotationMetadata();
 		this.resource = metadataReader.getResource();
 		this.importedBy.add(importedBy);
@@ -99,7 +98,6 @@ final class ConfigurationClass {
 	 * Create a new {@link ConfigurationClass} with the given name.
 	 * @param clazz the underlying {@link Class} to represent
 	 * @param beanName name of the {@code @Configuration} class bean
-	 * @see ConfigurationClass#ConfigurationClass(Class, ConfigurationClass)
 	 */
 	ConfigurationClass(Class<?> clazz, String beanName) {
 		Assert.notNull(beanName, "Bean name must not be null");
@@ -113,10 +111,10 @@ final class ConfigurationClass {
 	 * using the {@link Import} annotation or automatically processed as a nested
 	 * configuration class (if imported is {@code true}).
 	 * @param clazz the underlying {@link Class} to represent
-	 * @param importedBy the configuration class importing this one (or {@code null})
+	 * @param importedBy the configuration class importing this one
 	 * @since 3.1.1
 	 */
-	ConfigurationClass(Class<?> clazz, @Nullable ConfigurationClass importedBy) {
+	ConfigurationClass(Class<?> clazz, ConfigurationClass importedBy) {
 		this.metadata = AnnotationMetadata.introspect(clazz);
 		this.resource = new DescriptiveResource(clazz.getName());
 		this.importedBy.add(importedBy);
@@ -126,7 +124,6 @@ final class ConfigurationClass {
 	 * Create a new {@link ConfigurationClass} with the given name.
 	 * @param metadata the metadata for the underlying class to represent
 	 * @param beanName name of the {@code @Configuration} class bean
-	 * @see ConfigurationClass#ConfigurationClass(Class, ConfigurationClass)
 	 */
 	ConfigurationClass(AnnotationMetadata metadata, String beanName) {
 		Assert.notNull(beanName, "Bean name must not be null");
@@ -148,12 +145,12 @@ final class ConfigurationClass {
 		return ClassUtils.getShortName(getMetadata().getClassName());
 	}
 
-	void setBeanName(String beanName) {
+	void setBeanName(@Nullable String beanName) {
 		this.beanName = beanName;
 	}
 
 	@Nullable
-	public String getBeanName() {
+	String getBeanName() {
 		return this.beanName;
 	}
 
@@ -163,7 +160,7 @@ final class ConfigurationClass {
 	 * @since 3.1.1
 	 * @see #getImportedBy()
 	 */
-	public boolean isImported() {
+	boolean isImported() {
 		return !this.importedBy.isEmpty();
 	}
 
@@ -197,6 +194,10 @@ final class ConfigurationClass {
 		this.importedResources.put(importedResource, readerClass);
 	}
 
+	Map<String, Class<? extends BeanDefinitionReader>> getImportedResources() {
+		return this.importedResources;
+	}
+
 	void addImportBeanDefinitionRegistrar(ImportBeanDefinitionRegistrar registrar, AnnotationMetadata importingClassMetadata) {
 		this.importBeanDefinitionRegistrars.put(registrar, importingClassMetadata);
 	}
@@ -205,10 +206,6 @@ final class ConfigurationClass {
 		return this.importBeanDefinitionRegistrars;
 	}
 
-	Map<String, Class<? extends BeanDefinitionReader>> getImportedResources() {
-		return this.importedResources;
-	}
-
 	void validate(ProblemReporter problemReporter) {
 		// A configuration class may not be final (CGLIB limitation) unless it declares proxyBeanMethods=false
 		Map<String, Object> attributes = this.metadata.getAnnotationAttributes(Configuration.class.getName());

spring-context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -136,17 +136,6 @@ import org.springframework.util.ReflectionUtils;
 public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		implements ConfigurableApplicationContext {
 
-	/**
-	 * The name of the {@link LifecycleProcessor} bean in the context.
-	 * If none is supplied, a {@link DefaultLifecycleProcessor} is used.
-	 * @since 3.0
-	 * @see org.springframework.context.LifecycleProcessor
-	 * @see org.springframework.context.support.DefaultLifecycleProcessor
-	 * @see #start()
-	 * @see #stop()
-	 */
-	public static final String LIFECYCLE_PROCESSOR_BEAN_NAME = "lifecycleProcessor";
-
 	/**
 	 * The name of the {@link MessageSource} bean in the context.
 	 * If none is supplied, message resolution is delegated to the parent.
@@ -167,6 +156,18 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	 */
 	public static final String APPLICATION_EVENT_MULTICASTER_BEAN_NAME = "applicationEventMulticaster";
 
+	/**
+	 * The name of the {@link LifecycleProcessor} bean in the context.
+	 * If none is supplied, a {@link DefaultLifecycleProcessor} is used.
+	 * @since 3.0
+	 * @see org.springframework.context.LifecycleProcessor
+	 * @see org.springframework.context.support.DefaultLifecycleProcessor
+	 * @see #start()
+	 * @see #stop()
+	 */
+	public static final String LIFECYCLE_PROCESSOR_BEAN_NAME = "lifecycleProcessor";
+
+
 	/**
 	 * Boolean flag controlled by a {@code spring.spel.ignore} system property that
 	 * instructs Spring to ignore SpEL, i.e. to not initialize the SpEL infrastructure.
@@ -211,7 +212,7 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	/** Flag that indicates whether this context has been closed already. */
 	private final AtomicBoolean closed = new AtomicBoolean();
 
-	/** Synchronization monitor for the "refresh" and "destroy". */
+	/** Synchronization monitor for "refresh" and "close". */
 	private final Object startupShutdownMonitor = new Object();
 
 	/** Reference to the JVM shutdown hook, if registered. */
@@ -570,7 +571,6 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 				StartupStep beanPostProcess = this.applicationStartup.start("spring.context.beans.post-process");
 				// Invoke factory processors registered as beans in the context.
 				invokeBeanFactoryPostProcessors(beanFactory);
-
 				// Register bean processors that intercept bean creation.
 				registerBeanPostProcessors(beanFactory);
 				beanPostProcess.end();
@@ -774,8 +774,9 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	}
 
 	/**
-	 * Initialize the MessageSource.
-	 * Use parent's if none defined in this context.
+	 * Initialize the {@link MessageSource}.
+	 * <p>Uses parent's {@code MessageSource} if none defined in this context.
+	 * @see #MESSAGE_SOURCE_BEAN_NAME
 	 */
 	protected void initMessageSource() {
 		ConfigurableListableBeanFactory beanFactory = getBeanFactory();
@@ -807,8 +808,9 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	}
 
 	/**
-	 * Initialize the ApplicationEventMulticaster.
-	 * Uses SimpleApplicationEventMulticaster if none defined in the context.
+	 * Initialize the {@link ApplicationEventMulticaster}.
+	 * <p>Uses {@link SimpleApplicationEventMulticaster} if none defined in the context.
+	 * @see #APPLICATION_EVENT_MULTICASTER_BEAN_NAME
 	 * @see org.springframework.context.event.SimpleApplicationEventMulticaster
 	 */
 	protected void initApplicationEventMulticaster() {
@@ -831,15 +833,16 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	}
 
 	/**
-	 * Initialize the LifecycleProcessor.
-	 * Uses DefaultLifecycleProcessor if none defined in the context.
+	 * Initialize the {@link LifecycleProcessor}.
+	 * <p>Uses {@link DefaultLifecycleProcessor} if none defined in the context.
+	 * @since 3.0
+	 * @see #LIFECYCLE_PROCESSOR_BEAN_NAME
 	 * @see org.springframework.context.support.DefaultLifecycleProcessor
 	 */
 	protected void initLifecycleProcessor() {
 		ConfigurableListableBeanFactory beanFactory = getBeanFactory();
 		if (beanFactory.containsLocalBean(LIFECYCLE_PROCESSOR_BEAN_NAME)) {
-			this.lifecycleProcessor =
-					beanFactory.getBean(LIFECYCLE_PROCESSOR_BEAN_NAME, LifecycleProcessor.class);
+			this.lifecycleProcessor = beanFactory.getBean(LIFECYCLE_PROCESSOR_BEAN_NAME, LifecycleProcessor.class);
 			if (logger.isTraceEnabled()) {
 				logger.trace("Using LifecycleProcessor [" + this.lifecycleProcessor + "]");
 			}

spring-context/src/main/java/org/springframework/context/support/ReloadableResourceBundleMessageSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,6 +27,7 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
 import org.springframework.context.ResourceLoaderAware;
@@ -143,7 +144,7 @@ public class ReloadableResourceBundleMessageSource extends AbstractResourceBased
 
 	/**
 	 * Set the PropertiesPersister to use for parsing properties files.
-	 * <p>The default is ResourcePropertiesPersister.
+	 * <p>The default is {@code ResourcePropertiesPersister}.
 	 * @see ResourcePropertiesPersister#INSTANCE
 	 */
 	public void setPropertiesPersister(@Nullable PropertiesPersister propertiesPersister) {
@@ -401,7 +402,7 @@ public class ReloadableResourceBundleMessageSource extends AbstractResourceBased
 
 	/**
 	 * Refresh the PropertiesHolder for the given bundle filename.
-	 * The holder can be {@code null} if not cached before, or a timed-out cache entry
+	 * <p>The holder can be {@code null} if not cached before, or a timed-out cache entry
 	 * (potentially getting re-validated against the current last-modified timestamp).
 	 * @param filename the bundle filename (basename + Locale)
 	 * @param propHolder the current PropertiesHolder for the bundle
@@ -562,7 +563,7 @@ public class ReloadableResourceBundleMessageSource extends AbstractResourceBased
 
 		private volatile long refreshTimestamp = -2;
 
-		private final ReentrantLock refreshLock = new ReentrantLock();
+		private final Lock refreshLock = new ReentrantLock();
 
 		/** Cache to hold already generated MessageFormats per message code. */
 		private final ConcurrentMap<String, Map<Locale, MessageFormat>> cachedMessageFormats =

spring-context/src/main/java/org/springframework/scheduling/TaskScheduler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ import org.springframework.lang.Nullable;
  * {@link Runnable Runnables} based on different kinds of triggers.
  *
  * <p>This interface is separate from {@link SchedulingTaskExecutor} since it
- * usually represents for a different kind of backend, i.e. a thread pool with
+ * usually represents a different kind of backend, i.e. a thread pool with
  * different characteristics and capabilities. Implementations may implement
  * both interfaces if they can handle both kinds of execution characteristics.
  *

spring-context/src/main/java/org/springframework/scheduling/annotation/Scheduled.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -100,9 +100,9 @@ public @interface Scheduled {
 
 	/**
 	 * A time zone for which the cron expression will be resolved. By default, this
-	 * attribute is the empty String (i.e. the server's local time zone will be used).
+	 * attribute is the empty String (i.e. the scheduler's time zone will be used).
 	 * @return a zone id accepted by {@link java.util.TimeZone#getTimeZone(String)},
-	 * or an empty String to indicate the server's default time zone
+	 * or an empty String to indicate the scheduler's default time zone
 	 * @since 4.0
 	 * @see org.springframework.scheduling.support.CronTrigger#CronTrigger(String, java.util.TimeZone)
 	 * @see java.util.TimeZone

spring-context/src/main/java/org/springframework/scheduling/annotation/ScheduledAnnotationBeanPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,6 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.TimeZone;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
@@ -84,7 +83,7 @@ import org.springframework.util.StringValueResolver;
  * "fixedRate", "fixedDelay", or "cron" expression provided via the annotation.
  *
  * <p>This post-processor is automatically registered by Spring's
- * {@code <task:annotation-driven>} XML element, and also by the
+ * {@code <task:annotation-driven>} XML element and also by the
  * {@link EnableScheduling @EnableScheduling} annotation.
  *
  * <p>Autodetects any {@link SchedulingConfigurer} instances in the container,
@@ -434,14 +433,14 @@ public class ScheduledAnnotationBeanPostProcessor
 					Assert.isTrue(initialDelay == -1, "'initialDelay' not supported for cron triggers");
 					processedSchedule = true;
 					if (!Scheduled.CRON_DISABLED.equals(cron)) {
-						TimeZone timeZone;
+						CronTrigger trigger;
 						if (StringUtils.hasText(zone)) {
-							timeZone = StringUtils.parseTimeZoneString(zone);
+							trigger = new CronTrigger(cron, StringUtils.parseTimeZoneString(zone));
 						}
 						else {
-							timeZone = TimeZone.getDefault();
+							trigger = new CronTrigger(cron);
 						}
-						tasks.add(this.registrar.scheduleCronTask(new CronTask(runnable, new CronTrigger(cron, timeZone))));
+						tasks.add(this.registrar.scheduleCronTask(new CronTask(runnable, trigger)));
 					}
 				}
 			}

spring-context/src/main/java/org/springframework/scheduling/support/BitsCronField.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,17 +29,15 @@ import org.springframework.util.StringUtils;
  * Created using the {@code parse*} methods.
  *
  * @author Arjen Poutsma
+ * @author Juergen Hoeller
  * @since 5.3
  */
 final class BitsCronField extends CronField {
 
+	public static final BitsCronField ZERO_NANOS = forZeroNanos();
+
 	private static final long MASK = 0xFFFFFFFFFFFFFFFFL;
 
-
-	@Nullable
-	private static BitsCronField zeroNanos = null;
-
-
 	// we store at most 60 bits, for seconds and minutes, so a 64-bit long suffices
 	private long bits;
 
@@ -48,16 +46,14 @@ final class BitsCronField extends CronField {
 		super(type);
 	}
 
+
 	/**
 	 * Return a {@code BitsCronField} enabled for 0 nanoseconds.
 	 */
-	public static BitsCronField zeroNanos() {
-		if (zeroNanos == null) {
-			BitsCronField field = new BitsCronField(Type.NANO);
-			field.setBit(0);
-			zeroNanos = field;
-		}
-		return zeroNanos;
+	private static BitsCronField forZeroNanos() {
+		BitsCronField field = new BitsCronField(Type.NANO);
+		field.setBit(0);
+		return field;
 	}
 
 	/**
@@ -108,7 +104,6 @@ final class BitsCronField extends CronField {
 		return result;
 	}
 
-
 	private static BitsCronField parseDate(String value, BitsCronField.Type type) {
 		if (value.equals("?")) {
 			value = "*";
@@ -174,6 +169,7 @@ final class BitsCronField extends CronField {
 		}
 	}
 
+
 	@Nullable
 	@Override
 	public <T extends Temporal & Comparable<? super T>> T nextOrSame(T temporal) {
@@ -217,7 +213,6 @@ final class BitsCronField extends CronField {
 		else {
 			return -1;
 		}
-
 	}
 
 	private void setBits(ValueRange range) {
@@ -247,7 +242,20 @@ final class BitsCronField extends CronField {
 	}
 
 	private void clearBit(int index) {
-		this.bits &=  ~(1L << index);
+		this.bits &= ~(1L << index);
+	}
+
+
+	@Override
+	public boolean equals(Object other) {
+		if (this == other) {
+			return true;
+		}
+		if (!(other instanceof BitsCronField)) {
+			return false;
+		}
+		BitsCronField otherField = (BitsCronField) other;
+		return (type() == otherField.type() && this.bits == otherField.bits);
 	}
 
 	@Override
@@ -255,18 +263,6 @@ final class BitsCronField extends CronField {
 		return Long.hashCode(this.bits);
 	}
 
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (!(o instanceof BitsCronField)) {
-			return false;
-		}
-		BitsCronField other = (BitsCronField) o;
-		return type() == other.type() && this.bits == other.bits;
-	}
-
 	@Override
 	public String toString() {
 		StringBuilder builder = new StringBuilder(type().toString());

spring-context/src/main/java/org/springframework/scheduling/support/CronExpression.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,9 +29,14 @@ import org.springframework.util.StringUtils;
  * <a href="https://www.manpagez.com/man/5/crontab/">crontab expression</a>
  * that can calculate the next time it matches.
  *
- * <p>{@code CronExpression} instances are created through
- * {@link #parse(String)}; the next match is determined with
- * {@link #next(Temporal)}.
+ * <p>{@code CronExpression} instances are created through {@link #parse(String)};
+ * the next match is determined with {@link #next(Temporal)}.
+ *
+ * <p>Supports a Quartz day-of-month/week field with an L/# expression. Follows
+ * common cron conventions in every other respect, including 0-6 for SUN-SAT
+ * (plus 7 for SUN as well). Note that Quartz deviates from the day-of-week
+ * convention in cron through 1-7 for SUN-SAT whereas Spring strictly follows
+ * cron even in combination with the optional Quartz-specific L/# expressions.
  *
  * @author Arjen Poutsma
  * @since 5.3
@@ -57,18 +62,12 @@ public final class CronExpression {
 	private final String expression;
 
 
-	private CronExpression(
-			CronField seconds,
-			CronField minutes,
-			CronField hours,
-			CronField daysOfMonth,
-			CronField months,
-			CronField daysOfWeek,
-			String expression) {
+	private CronExpression(CronField seconds, CronField minutes, CronField hours,
+			CronField daysOfMonth, CronField months, CronField daysOfWeek, String expression) {
 
-		// reverse order, to make big changes first
-		// to make sure we end up at 0 nanos, we add an extra field
-		this.fields = new CronField[]{daysOfWeek, months, daysOfMonth, hours, minutes, seconds, CronField.zeroNanos()};
+		// Reverse order, to make big changes first.
+		// To make sure we end up at 0 nanos, we add an extra field.
+		this.fields = new CronField[] {daysOfWeek, months, daysOfMonth, hours, minutes, seconds, CronField.zeroNanos()};
 		this.expression = expression;
 	}
 
@@ -121,11 +120,8 @@ public final class CronExpression {
 	 * {@code LW}), it means "the last weekday of the month".
 	 * </li>
 	 * <li>
-	 * In the "day of week" field, {@code L} stands for "the last day of the
-	 * week".
-	 * If prefixed by a number or three-letter name (i.e. {@code dL} or
-	 * {@code DDDL}), it means "the last day of week {@code d} (or {@code DDD})
-	 * in the month".
+	 * In the "day of week" field, {@code dL} or {@code DDDL} stands for
+	 * "the last day of week {@code d} (or {@code DDD}) in the month".
 	 * </li>
 	 * </ul>
 	 * </li>
@@ -177,7 +173,7 @@ public final class CronExpression {
 	 * the cron format
 	 */
 	public static CronExpression parse(String expression) {
-		Assert.hasLength(expression, "Expression string must not be empty");
+		Assert.hasLength(expression, "Expression must not be empty");
 
 		expression = resolveMacros(expression);
 
@@ -270,28 +266,19 @@ public final class CronExpression {
 	}
 
 
+	@Override
+	public boolean equals(@Nullable Object other) {
+		return (this == other || (other instanceof CronExpression &&
+				Arrays.equals(this.fields, ((CronExpression) other).fields)));
+	}
+
 	@Override
 	public int hashCode() {
 		return Arrays.hashCode(this.fields);
 	}
 
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o instanceof CronExpression) {
-			CronExpression other = (CronExpression) o;
-			return Arrays.equals(this.fields, other.fields);
-		}
-		else {
-			return false;
-		}
-	}
-
 	/**
 	 * Return the expression string used to create this {@code CronExpression}.
-	 * @return the expression string
 	 */
 	@Override
 	public String toString() {

spring-context/src/main/java/org/springframework/scheduling/support/CronField.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,17 +29,24 @@ import org.springframework.util.StringUtils;
 
 /**
  * Single field in a cron pattern. Created using the {@code parse*} methods,
- * main and only entry point is {@link #nextOrSame(Temporal)}.
+ * the main and only entry point is {@link #nextOrSame(Temporal)}.
+ *
+ * <p>Supports a Quartz day-of-month/week field with an L/# expression. Follows
+ * common cron conventions in every other respect, including 0-6 for SUN-SAT
+ * (plus 7 for SUN as well). Note that Quartz deviates from the day-of-week
+ * convention in cron through 1-7 for SUN-SAT whereas Spring strictly follows
+ * cron even in combination with the optional Quartz-specific L/# expressions.
  *
  * @author Arjen Poutsma
  * @since 5.3
  */
 abstract class CronField {
 
-	private static final String[] MONTHS = new String[]{"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP",
-			"OCT", "NOV", "DEC"};
+	private static final String[] MONTHS = new String[]
+			{"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
 
-	private static final String[] DAYS = new String[]{"MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"};
+	private static final String[] DAYS = new String[]
+			{"MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"};
 
 	private final Type type;
 
@@ -48,11 +55,12 @@ abstract class CronField {
 		this.type = type;
 	}
 
+
 	/**
 	 * Return a {@code CronField} enabled for 0 nanoseconds.
 	 */
 	public static CronField zeroNanos() {
-		return BitsCronField.zeroNanos();
+		return BitsCronField.ZERO_NANOS;
 	}
 
 	/**
@@ -169,6 +177,7 @@ abstract class CronField {
 	 * day-of-month, month, day-of-week.
 	 */
 	protected enum Type {
+
 		NANO(ChronoField.NANO_OF_SECOND, ChronoUnit.SECONDS),
 		SECOND(ChronoField.SECOND_OF_MINUTE, ChronoUnit.MINUTES, ChronoField.NANO_OF_SECOND),
 		MINUTE(ChronoField.MINUTE_OF_HOUR, ChronoUnit.HOURS, ChronoField.SECOND_OF_MINUTE, ChronoField.NANO_OF_SECOND),
@@ -177,21 +186,18 @@ abstract class CronField {
 		MONTH(ChronoField.MONTH_OF_YEAR, ChronoUnit.YEARS, ChronoField.DAY_OF_MONTH, ChronoField.HOUR_OF_DAY, ChronoField.MINUTE_OF_HOUR, ChronoField.SECOND_OF_MINUTE, ChronoField.NANO_OF_SECOND),
 		DAY_OF_WEEK(ChronoField.DAY_OF_WEEK, ChronoUnit.WEEKS, ChronoField.HOUR_OF_DAY, ChronoField.MINUTE_OF_HOUR, ChronoField.SECOND_OF_MINUTE, ChronoField.NANO_OF_SECOND);
 
-
 		private final ChronoField field;
 
 		private final ChronoUnit higherOrder;
 
 		private final ChronoField[] lowerOrders;
 
-
 		Type(ChronoField field, ChronoUnit higherOrder, ChronoField... lowerOrders) {
 			this.field = field;
 			this.higherOrder = higherOrder;
 			this.lowerOrders = lowerOrders;
 		}
 
-
 		/**
 		 * Return the value of this type for the given temporal.
 		 * @return the value of this type

spring-context/src/main/java/org/springframework/scheduling/support/CronTrigger.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,8 +27,14 @@ import org.springframework.scheduling.TriggerContext;
 import org.springframework.util.Assert;
 
 /**
- * {@link Trigger} implementation for cron expressions.
- * Wraps a {@link CronExpression}.
+ * {@link Trigger} implementation for cron expressions. Wraps a
+ * {@link CronExpression} which parses according to common crontab conventions.
+ *
+ * <p>Supports a Quartz day-of-month/week field with an L/# expression. Follows
+ * common cron conventions in every other respect, including 0-6 for SUN-SAT
+ * (plus 7 for SUN as well). Note that Quartz deviates from the day-of-week
+ * convention in cron through 1-7 for SUN-SAT whereas Spring strictly follows
+ * cron even in combination with the optional Quartz-specific L/# expressions.
  *
  * @author Juergen Hoeller
  * @author Arjen Poutsma
@@ -39,6 +45,7 @@ public class CronTrigger implements Trigger {
 
 	private final CronExpression expression;
 
+	@Nullable
 	private final ZoneId zoneId;
 
 
@@ -48,7 +55,8 @@ public class CronTrigger implements Trigger {
 	 * expression conventions
 	 */
 	public CronTrigger(String expression) {
-		this(expression, ZoneId.systemDefault());
+		this.expression = CronExpression.parse(expression);
+		this.zoneId = null;
 	}
 
 	/**
@@ -58,7 +66,9 @@ public class CronTrigger implements Trigger {
 	 * @param timeZone a time zone in which the trigger times will be generated
 	 */
 	public CronTrigger(String expression, TimeZone timeZone) {
-		this(expression, timeZone.toZoneId());
+		this.expression = CronExpression.parse(expression);
+		Assert.notNull(timeZone, "TimeZone must not be null");
+		this.zoneId = timeZone.toZoneId();
 	}
 
 	/**
@@ -70,10 +80,8 @@ public class CronTrigger implements Trigger {
 	 * @see CronExpression#parse(String)
 	 */
 	public CronTrigger(String expression, ZoneId zoneId) {
-		Assert.hasLength(expression, "Expression must not be empty");
-		Assert.notNull(zoneId, "ZoneId must not be null");
-
 		this.expression = CronExpression.parse(expression);
+		Assert.notNull(zoneId, "ZoneId must not be null");
 		this.zoneId = zoneId;
 	}
 
@@ -94,22 +102,23 @@ public class CronTrigger implements Trigger {
 	 */
 	@Override
 	public Date nextExecutionTime(TriggerContext triggerContext) {
-		Date date = triggerContext.lastCompletionTime();
-		if (date != null) {
+		Date timestamp = triggerContext.lastCompletionTime();
+		if (timestamp != null) {
 			Date scheduled = triggerContext.lastScheduledExecutionTime();
-			if (scheduled != null && date.before(scheduled)) {
+			if (scheduled != null && timestamp.before(scheduled)) {
 				// Previous task apparently executed too early...
 				// Let's simply use the last calculated execution time then,
 				// in order to prevent accidental re-fires in the same second.
-				date = scheduled;
+				timestamp = scheduled;
 			}
 		}
 		else {
-			date = new Date(triggerContext.getClock().millis());
+			timestamp = new Date(triggerContext.getClock().millis());
 		}
-		ZonedDateTime dateTime = ZonedDateTime.ofInstant(date.toInstant(), this.zoneId);
-		ZonedDateTime next = this.expression.next(dateTime);
-		return (next != null ? Date.from(next.toInstant()) : null);
+		ZoneId zone = (this.zoneId != null ? this.zoneId : triggerContext.getClock().getZone());
+		ZonedDateTime zonedTimestamp = ZonedDateTime.ofInstant(timestamp.toInstant(), zone);
+		ZonedDateTime nextTimestamp = this.expression.next(zonedTimestamp);
+		return (nextTimestamp != null ? Date.from(nextTimestamp.toInstant()) : null);
 	}
 
 

spring-context/src/main/java/org/springframework/scheduling/support/QuartzCronField.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,10 +29,16 @@ import org.springframework.util.Assert;
 
 /**
  * Extension of {@link CronField} for
- * <a href="https://www.quartz-scheduler.org>Quartz</a> -specific fields.
+ * <a href="https://www.quartz-scheduler.org">Quartz</a>-specific fields.
  * Created using the {@code parse*} methods, uses a {@link TemporalAdjuster}
  * internally.
  *
+ * <p>Supports a Quartz day-of-month/week field with an L/# expression. Follows
+ * common cron conventions in every other respect, including 0-6 for SUN-SAT
+ * (plus 7 for SUN as well). Note that Quartz deviates from the day-of-week
+ * convention in cron through 1-7 for SUN-SAT whereas Spring strictly follows
+ * cron even in combination with the optional Quartz-specific L/# expressions.
+ *
  * @author Arjen Poutsma
  * @since 5.3
  */
@@ -60,16 +66,18 @@ final class QuartzCronField extends CronField {
 		this.rollForwardType = rollForwardType;
 	}
 
+
 	/**
-	 * Returns whether the given value is a Quartz day-of-month field.
+	 * Determine whether the given value is a Quartz day-of-month field.
 	 */
 	public static boolean isQuartzDaysOfMonthField(String value) {
 		return value.contains("L") || value.contains("W");
 	}
 
 	/**
-	 * Parse the given value into a days of months {@code QuartzCronField}, the fourth entry of a cron expression.
-	 * Expects a "L" or "W" in the given value.
+	 * Parse the given value into a days of months {@code QuartzCronField},
+	 * the fourth entry of a cron expression.
+	 * <p>Expects a "L" or "W" in the given value.
 	 */
 	public static QuartzCronField parseDaysOfMonth(String value) {
 		int idx = value.lastIndexOf('L');
@@ -78,14 +86,14 @@ final class QuartzCronField extends CronField {
 			if (idx != 0) {
 				throw new IllegalArgumentException("Unrecognized characters before 'L' in '" + value + "'");
 			}
-			else if (value.length() == 2 && value.charAt(1) == 'W') { // "LW"
+			else if (value.length() == 2 && value.charAt(1) == 'W') {  // "LW"
 				adjuster = lastWeekdayOfMonth();
 			}
 			else {
-				if (value.length() == 1) { // "L"
+				if (value.length() == 1) {  // "L"
 					adjuster = lastDayOfMonth();
 				}
-				else { // "L-[0-9]+"
+				else {  // "L-[0-9]+"
 					int offset = Integer.parseInt(value.substring(idx + 1));
 					if (offset >= 0) {
 						throw new IllegalArgumentException("Offset '" + offset + " should be < 0 '" + value + "'");
@@ -103,7 +111,7 @@ final class QuartzCronField extends CronField {
 			else if (idx != value.length() - 1) {
 				throw new IllegalArgumentException("Unrecognized characters after 'W' in '" + value + "'");
 			}
-			else { // "[0-9]+W"
+			else {  // "[0-9]+W"
 				int dayOfMonth = Integer.parseInt(value.substring(0, idx));
 				dayOfMonth = Type.DAY_OF_MONTH.checkValidValue(dayOfMonth);
 				TemporalAdjuster adjuster = weekdayNearestTo(dayOfMonth);
@@ -114,15 +122,16 @@ final class QuartzCronField extends CronField {
 	}
 
 	/**
-	 * Returns whether the given value is a Quartz day-of-week field.
+	 * Determine whether the given value is a Quartz day-of-week field.
 	 */
 	public static boolean isQuartzDaysOfWeekField(String value) {
 		return value.contains("L") || value.contains("#");
 	}
 
 	/**
-	 * Parse the given value into a days of week {@code QuartzCronField}, the sixth entry of a cron expression.
-	 * Expects a "L" or "#" in the given value.
+	 * Parse the given value into a days of week {@code QuartzCronField},
+	 * the sixth entry of a cron expression.
+	 * <p>Expects a "L" or "#" in the given value.
 	 */
 	public static QuartzCronField parseDaysOfWeek(String value) {
 		int idx = value.lastIndexOf('L');
@@ -135,7 +144,7 @@ final class QuartzCronField extends CronField {
 				if (idx == 0) {
 					throw new IllegalArgumentException("No day-of-week before 'L' in '" + value + "'");
 				}
-				else { // "[0-7]L"
+				else {  // "[0-7]L"
 					DayOfWeek dayOfWeek = parseDayOfWeek(value.substring(0, idx));
 					adjuster = lastInMonth(dayOfWeek);
 				}
@@ -157,7 +166,6 @@ final class QuartzCronField extends CronField {
 				throw new IllegalArgumentException("Ordinal '" + ordinal + "' in '" + value +
 						"' must be positive number ");
 			}
-
 			TemporalAdjuster adjuster = dayOfWeekInMonth(ordinal, dayOfWeek);
 			return new QuartzCronField(Type.DAY_OF_WEEK, Type.DAY_OF_MONTH, adjuster, value);
 		}
@@ -167,14 +175,13 @@ final class QuartzCronField extends CronField {
 	private static DayOfWeek parseDayOfWeek(String value) {
 		int dayOfWeek = Integer.parseInt(value);
 		if (dayOfWeek == 0) {
-			dayOfWeek = 7; // cron is 0 based; java.time 1 based
+			dayOfWeek = 7;  // cron is 0 based; java.time 1 based
 		}
 		try {
 			return DayOfWeek.of(dayOfWeek);
 		}
 		catch (DateTimeException ex) {
-			String msg = ex.getMessage() + " '" + value + "'";
-			throw new IllegalArgumentException(msg, ex);
+			throw new IllegalArgumentException(ex.getMessage() + " '" + value + "'", ex);
 		}
 	}
 
@@ -213,10 +220,10 @@ final class QuartzCronField extends CronField {
 			Temporal lastDom = adjuster.adjustInto(temporal);
 			Temporal result;
 			int dow = lastDom.get(ChronoField.DAY_OF_WEEK);
-			if (dow == 6) { // Saturday
+			if (dow == 6) {  // Saturday
 				result = lastDom.minus(1, ChronoUnit.DAYS);
 			}
-			else if (dow == 7) { // Sunday
+			else if (dow == 7) {  // Sunday
 				result = lastDom.minus(2, ChronoUnit.DAYS);
 			}
 			else {
@@ -227,7 +234,7 @@ final class QuartzCronField extends CronField {
 	}
 
 	/**
-	 * Return a temporal adjuster that finds the nth-to-last day of the month.
+	 * Returns a temporal adjuster that finds the nth-to-last day of the month.
 	 * @param offset the negative offset, i.e. -3 means third-to-last
 	 * @return a nth-to-last day-of-month adjuster
 	 */
@@ -241,7 +248,7 @@ final class QuartzCronField extends CronField {
 	}
 
 	/**
-	 * Return a temporal adjuster that finds the weekday nearest to the given
+	 * Returns a temporal adjuster that finds the weekday nearest to the given
 	 * day-of-month. If {@code dayOfMonth} falls on a Saturday, the date is
 	 * moved back to Friday; if it falls on a Sunday (or if {@code dayOfMonth}
 	 * is 1 and it falls on a Saturday), it is moved forward to Monday.
@@ -253,10 +260,10 @@ final class QuartzCronField extends CronField {
 			int current = Type.DAY_OF_MONTH.get(temporal);
 			DayOfWeek dayOfWeek = DayOfWeek.from(temporal);
 
-			if ((current == dayOfMonth && isWeekday(dayOfWeek)) || // dayOfMonth is a weekday
-					(dayOfWeek == DayOfWeek.FRIDAY && current == dayOfMonth - 1) || // dayOfMonth is a Saturday, so Friday before
-					(dayOfWeek == DayOfWeek.MONDAY && current == dayOfMonth + 1) || // dayOfMonth is a Sunday, so Monday after
-					(dayOfWeek == DayOfWeek.MONDAY && dayOfMonth == 1 && current == 3)) { // dayOfMonth is Saturday 1st, so Monday 3rd
+			if ((current == dayOfMonth && isWeekday(dayOfWeek)) ||  // dayOfMonth is a weekday
+					(dayOfWeek == DayOfWeek.FRIDAY && current == dayOfMonth - 1) ||  // dayOfMonth is a Saturday, so Friday before
+					(dayOfWeek == DayOfWeek.MONDAY && current == dayOfMonth + 1) ||  // dayOfMonth is a Sunday, so Monday after
+					(dayOfWeek == DayOfWeek.MONDAY && dayOfMonth == 1 && current == 3)) {  // dayOfMonth is Saturday 1st, so Monday 3rd
 				return temporal;
 			}
 			int count = 0;
@@ -292,7 +299,7 @@ final class QuartzCronField extends CronField {
 	}
 
 	/**
-	 * Return a temporal adjuster that finds the last of the given doy-of-week
+	 * Returns a temporal adjuster that finds the last of the given day-of-week
 	 * in a month.
 	 */
 	private static TemporalAdjuster lastInMonth(DayOfWeek dayOfWeek) {
@@ -329,6 +336,7 @@ final class QuartzCronField extends CronField {
 		}
 	}
 
+
 	@Override
 	public <T extends Temporal & Comparable<? super T>> T nextOrSame(T temporal) {
 		T result = adjust(temporal);
@@ -345,7 +353,6 @@ final class QuartzCronField extends CronField {
 		return result;
 	}
 
-
 	@Nullable
 	@SuppressWarnings("unchecked")
 	private <T extends Temporal & Comparable<? super T>> T adjust(T temporal) {
@@ -353,28 +360,26 @@ final class QuartzCronField extends CronField {
 	}
 
 
+	@Override
+	public boolean equals(@Nullable Object other) {
+		if (this == other) {
+			return true;
+		}
+		if (!(other instanceof QuartzCronField)) {
+			return false;
+		}
+		QuartzCronField otherField = (QuartzCronField) other;
+		return (type() == otherField.type() && this.value.equals(otherField.value));
+	}
+
 	@Override
 	public int hashCode() {
 		return this.value.hashCode();
 	}
 
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (!(o instanceof QuartzCronField)) {
-			return false;
-		}
-		QuartzCronField other = (QuartzCronField) o;
-		return type() == other.type() &&
-				this.value.equals(other.value);
-	}
-
 	@Override
 	public String toString() {
 		return type() + " '" + this.value + "'";
-
 	}
 
 }

spring-context/src/test/java/org/springframework/aop/scope/ScopedProxyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Juergen Hoeller
  * @author Chris Beams
  */
-public class ScopedProxyTests {
+class ScopedProxyTests {
 
 	private static final Class<?> CLASS = ScopedProxyTests.class;
 	private static final String CLASSNAME = CLASS.getSimpleName();
@@ -51,27 +51,24 @@ public class ScopedProxyTests {
 
 
 	@Test  // SPR-2108
-	public void testProxyAssignable() throws Exception {
+	void testProxyAssignable() {
 		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
 		new XmlBeanDefinitionReader(bf).loadBeanDefinitions(MAP_CONTEXT);
 		Object baseMap = bf.getBean("singletonMap");
-		boolean condition = baseMap instanceof Map;
-		assertThat(condition).isTrue();
+		assertThat(baseMap instanceof Map).isTrue();
 	}
 
 	@Test
-	public void testSimpleProxy() throws Exception {
+	void testSimpleProxy() {
 		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
 		new XmlBeanDefinitionReader(bf).loadBeanDefinitions(MAP_CONTEXT);
 		Object simpleMap = bf.getBean("simpleMap");
-		boolean condition1 = simpleMap instanceof Map;
-		assertThat(condition1).isTrue();
-		boolean condition = simpleMap instanceof HashMap;
-		assertThat(condition).isTrue();
+		assertThat(simpleMap instanceof Map).isTrue();
+		assertThat(simpleMap instanceof HashMap).isTrue();
 	}
 
 	@Test
-	public void testScopedOverride() throws Exception {
+	void testScopedOverride() {
 		GenericApplicationContext ctx = new GenericApplicationContext();
 		new XmlBeanDefinitionReader(ctx).loadBeanDefinitions(OVERRIDE_CONTEXT);
 		SimpleMapScope scope = new SimpleMapScope();
@@ -87,7 +84,7 @@ public class ScopedProxyTests {
 	}
 
 	@Test
-	public void testJdkScopedProxy() throws Exception {
+	void testJdkScopedProxy() throws Exception {
 		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
 		new XmlBeanDefinitionReader(bf).loadBeanDefinitions(TESTBEAN_CONTEXT);
 		bf.setSerializationId("X");
@@ -97,8 +94,7 @@ public class ScopedProxyTests {
 		ITestBean bean = (ITestBean) bf.getBean("testBean");
 		assertThat(bean).isNotNull();
 		assertThat(AopUtils.isJdkDynamicProxy(bean)).isTrue();
-		boolean condition1 = bean instanceof ScopedObject;
-		assertThat(condition1).isTrue();
+		assertThat(bean instanceof ScopedObject).isTrue();
 		ScopedObject scoped = (ScopedObject) bean;
 		assertThat(scoped.getTargetObject().getClass()).isEqualTo(TestBean.class);
 		bean.setAge(101);
@@ -110,8 +106,7 @@ public class ScopedProxyTests {
 		assertThat(deserialized).isNotNull();
 		assertThat(AopUtils.isJdkDynamicProxy(deserialized)).isTrue();
 		assertThat(bean.getAge()).isEqualTo(101);
-		boolean condition = deserialized instanceof ScopedObject;
-		assertThat(condition).isTrue();
+		assertThat(deserialized instanceof ScopedObject).isTrue();
 		ScopedObject scopedDeserialized = (ScopedObject) deserialized;
 		assertThat(scopedDeserialized.getTargetObject().getClass()).isEqualTo(TestBean.class);
 
@@ -119,7 +114,7 @@ public class ScopedProxyTests {
 	}
 
 	@Test
-	public void testCglibScopedProxy() throws Exception {
+	void testCglibScopedProxy() throws Exception {
 		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
 		new XmlBeanDefinitionReader(bf).loadBeanDefinitions(LIST_CONTEXT);
 		bf.setSerializationId("Y");
@@ -128,8 +123,7 @@ public class ScopedProxyTests {
 
 		TestBean tb = (TestBean) bf.getBean("testBean");
 		assertThat(AopUtils.isCglibProxy(tb.getFriends())).isTrue();
-		boolean condition1 = tb.getFriends() instanceof ScopedObject;
-		assertThat(condition1).isTrue();
+		assertThat(tb.getFriends() instanceof ScopedObject).isTrue();
 		ScopedObject scoped = (ScopedObject) tb.getFriends();
 		assertThat(scoped.getTargetObject().getClass()).isEqualTo(ArrayList.class);
 		tb.getFriends().add("myFriend");
@@ -137,12 +131,11 @@ public class ScopedProxyTests {
 		assertThat(scope.getMap().containsKey("scopedTarget.scopedList")).isTrue();
 		assertThat(scope.getMap().get("scopedTarget.scopedList").getClass()).isEqualTo(ArrayList.class);
 
-		ArrayList<?> deserialized = (ArrayList<?>) SerializationTestUtils.serializeAndDeserialize(tb.getFriends());
+		ArrayList<Object> deserialized = (ArrayList<Object>) SerializationTestUtils.serializeAndDeserialize(tb.getFriends());
 		assertThat(deserialized).isNotNull();
 		assertThat(AopUtils.isCglibProxy(deserialized)).isTrue();
-		assertThat(deserialized.contains("myFriend")).isTrue();
-		boolean condition = deserialized instanceof ScopedObject;
-		assertThat(condition).isTrue();
+		assertThat(deserialized).contains("myFriend");
+		assertThat(deserialized instanceof ScopedObject).isTrue();
 		ScopedObject scopedDeserialized = (ScopedObject) deserialized;
 		assertThat(scopedDeserialized.getTargetObject().getClass()).isEqualTo(ArrayList.class);
 

spring-context/src/test/java/org/springframework/beans/factory/support/QualifierAnnotationAutowireContextTests.java

@@ -63,12 +63,12 @@ public class QualifierAnnotationAutowireContextTests {
 				new RootBeanDefinition(QualifiedFieldTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
 
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -81,12 +81,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedMethodParameterTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 
 	}
 
@@ -100,9 +101,10 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedConstructorArgumentTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(UnsatisfiedDependencyException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
+
+		assertThatExceptionOfType(UnsatisfiedDependencyException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
 	}
 
 	@Test
@@ -205,12 +207,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedFieldTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -227,12 +230,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedMethodParameterTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -249,9 +253,10 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedConstructorArgumentTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(UnsatisfiedDependencyException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
+
+		assertThatExceptionOfType(UnsatisfiedDependencyException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
 	}
 
 	@Test
@@ -374,12 +379,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedFieldWithDefaultValueTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -451,12 +457,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedFieldWithMultipleAttributesTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -507,12 +514,13 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedFieldWithMultipleAttributesTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> {
-				assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
-				assertThat(ex.getBeanName()).isEqualTo("autowired");
-			});
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> {
+					assertThat(ex.getRootCause()).isInstanceOf(NoSuchBeanDefinitionException.class);
+					assertThat(ex.getBeanName()).isEqualTo("autowired");
+				});
 	}
 
 	@Test
@@ -574,9 +582,10 @@ public class QualifierAnnotationAutowireContextTests {
 		context.registerBeanDefinition("autowired",
 				new RootBeanDefinition(QualifiedConstructorArgumentWithBaseQualifierNonDefaultValueTestBean.class));
 		AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
-		assertThatExceptionOfType(UnsatisfiedDependencyException.class).isThrownBy(
-				context::refresh)
-			.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
+
+		assertThatExceptionOfType(UnsatisfiedDependencyException.class)
+				.isThrownBy(context::refresh)
+				.satisfies(ex -> assertThat(ex.getBeanName()).isEqualTo("autowired"));
 	}
 
 
@@ -752,7 +761,7 @@ public class QualifierAnnotationAutowireContextTests {
 	@Qualifier
 	@interface TestQualifierWithMultipleAttributes {
 
-		String value() default "default";
+		String[] value() default "default";
 
 		int number();
 	}

spring-context/src/test/java/org/springframework/beans/factory/xml/QualifierAnnotationTests.java

@@ -58,9 +58,10 @@ public class QualifierAnnotationTests {
 		BeanDefinitionReader reader = new XmlBeanDefinitionReader(context);
 		reader.loadBeanDefinitions(CONFIG_LOCATION);
 		context.registerSingleton("testBean", NonQualifiedTestBean.class);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.withMessageContaining("found 6");
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.withMessageContaining("found 6");
 	}
 
 	@Test
@@ -191,9 +192,10 @@ public class QualifierAnnotationTests {
 		BeanDefinitionReader reader = new XmlBeanDefinitionReader(context);
 		reader.loadBeanDefinitions(CONFIG_LOCATION);
 		context.registerSingleton("testBean", QualifiedByAttributesTestBean.class);
-		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(
-				context::refresh)
-			.withMessageContaining("found 6");
+
+		assertThatExceptionOfType(BeanCreationException.class)
+				.isThrownBy(context::refresh)
+				.withMessageContaining("found 6");
 	}
 
 	@Test

spring-context/src/test/java/org/springframework/context/annotation/ClassPathBeanDefinitionScannerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -268,6 +268,7 @@ public class ClassPathBeanDefinitionScannerTests {
 		ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context);
 		scanner.setIncludeAnnotationConfig(false);
 		scanner.scan("org.springframework.context.annotation2");
+
 		assertThatIllegalStateException().isThrownBy(() -> scanner.scan(BASE_PACKAGE))
 				.withMessageContaining("myNamedDao")
 				.withMessageContaining(NamedStubDao.class.getName())

spring-context/src/test/java/org/springframework/context/annotation/PropertySourceAnnotationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -138,8 +138,8 @@ class PropertySourceAnnotationTests {
 	@Test
 	void withUnresolvablePlaceholder() {
 		assertThatExceptionOfType(BeanDefinitionStoreException.class)
-			.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithUnresolvablePlaceholder.class))
-			.withCauseInstanceOf(IllegalArgumentException.class);
+				.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithUnresolvablePlaceholder.class))
+				.withCauseInstanceOf(IllegalArgumentException.class);
 	}
 
 	@Test
@@ -170,8 +170,8 @@ class PropertySourceAnnotationTests {
 	@Test
 	void withEmptyResourceLocations() {
 		assertThatExceptionOfType(BeanDefinitionStoreException.class)
-			.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithEmptyResourceLocations.class))
-			.withCauseInstanceOf(IllegalArgumentException.class);
+				.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithEmptyResourceLocations.class))
+				.withCauseInstanceOf(IllegalArgumentException.class);
 	}
 
 	@Test
@@ -253,8 +253,8 @@ class PropertySourceAnnotationTests {
 	@Test
 	void withMissingPropertySource() {
 		assertThatExceptionOfType(BeanDefinitionStoreException.class)
-			.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithMissingPropertySource.class))
-			.withCauseInstanceOf(FileNotFoundException.class);
+				.isThrownBy(() -> new AnnotationConfigApplicationContext(ConfigWithMissingPropertySource.class))
+				.withCauseInstanceOf(FileNotFoundException.class);
 	}
 
 	@Test

spring-context/src/test/java/org/springframework/context/support/GenericApplicationContextTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -102,16 +102,16 @@ class GenericApplicationContextTests {
 
 		assertThat(context.getBean(String.class)).isSameAs(context.getBean("testBean"));
 		assertThat(context.getAutowireCapableBeanFactory().getBean(String.class))
-			.isSameAs(context.getAutowireCapableBeanFactory().getBean("testBean"));
+				.isSameAs(context.getAutowireCapableBeanFactory().getBean("testBean"));
 
 		context.close();
 
 		assertThatIllegalStateException()
-			.isThrownBy(() -> context.getBean(String.class));
+				.isThrownBy(() -> context.getBean(String.class));
 		assertThatIllegalStateException()
-			.isThrownBy(() -> context.getAutowireCapableBeanFactory().getBean(String.class));
+				.isThrownBy(() -> context.getAutowireCapableBeanFactory().getBean(String.class));
 		assertThatIllegalStateException()
-			.isThrownBy(() -> context.getAutowireCapableBeanFactory().getBean("testBean"));
+				.isThrownBy(() -> context.getAutowireCapableBeanFactory().getBean("testBean"));
 	}
 
 	@Test

spring-context/src/test/java/org/springframework/scheduling/support/BitsCronFieldTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,27 +35,32 @@ class BitsCronFieldTests {
 	@Test
 	void parse() {
 		assertThat(BitsCronField.parseSeconds("42")).has(clearRange(0, 41)).has(set(42)).has(clearRange(43, 59));
-		assertThat(BitsCronField.parseSeconds("0-4,8-12")).has(setRange(0, 4)).has(clearRange(5,7)).has(setRange(8, 12)).has(clearRange(13,59));
-		assertThat(BitsCronField.parseSeconds("57/2")).has(clearRange(0, 56)).has(set(57)).has(clear(58)).has(set(59));
+		assertThat(BitsCronField.parseSeconds("0-4,8-12")).has(setRange(0, 4)).has(clearRange(5,7))
+				.has(setRange(8, 12)).has(clearRange(13,59));
+		assertThat(BitsCronField.parseSeconds("57/2")).has(clearRange(0, 56)).has(set(57))
+				.has(clear(58)).has(set(59));
 
 		assertThat(BitsCronField.parseMinutes("30")).has(set(30)).has(clearRange(1, 29)).has(clearRange(31, 59));
 
 		assertThat(BitsCronField.parseHours("23")).has(set(23)).has(clearRange(0, 23));
-		assertThat(BitsCronField.parseHours("0-23/2")).has(set(0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22)).has(clear(1,3,5,7,9,11,13,15,17,19,21,23));
+		assertThat(BitsCronField.parseHours("0-23/2")).has(set(0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22))
+				.has(clear(1,3,5,7,9,11,13,15,17,19,21,23));
 
 		assertThat(BitsCronField.parseDaysOfMonth("1")).has(set(1)).has(clearRange(2, 31));
 
 		assertThat(BitsCronField.parseMonth("1")).has(set(1)).has(clearRange(2, 12));
 
 		assertThat(BitsCronField.parseDaysOfWeek("0")).has(set(7, 7)).has(clearRange(0, 6));
-
-		assertThat(BitsCronField.parseDaysOfWeek("7-5")).has(clear(0)).has(setRange(1, 5)).has(clear(6)).has(set(7));
+		assertThat(BitsCronField.parseDaysOfWeek("7-5")).has(clear(0)).has(setRange(1, 5))
+				.has(clear(6)).has(set(7));
 	}
 
 	@Test
 	void parseLists() {
-		assertThat(BitsCronField.parseSeconds("15,30")).has(set(15, 30)).has(clearRange(1, 15)).has(clearRange(31, 59));
-		assertThat(BitsCronField.parseMinutes("1,2,5,9")).has(set(1, 2, 5, 9)).has(clear(0)).has(clearRange(3, 4)).has(clearRange(6, 8)).has(clearRange(10, 59));
+		assertThat(BitsCronField.parseSeconds("15,30")).has(set(15, 30)).has(clearRange(1, 15))
+				.has(clearRange(31, 59));
+		assertThat(BitsCronField.parseMinutes("1,2,5,9")).has(set(1, 2, 5, 9)).has(clear(0))
+				.has(clearRange(3, 4)).has(clearRange(6, 8)).has(clearRange(10, 59));
 		assertThat(BitsCronField.parseHours("1,2,3")).has(set(1, 2, 3)).has(clearRange(4, 23));
 		assertThat(BitsCronField.parseDaysOfMonth("1,2,3")).has(set(1, 2, 3)).has(clearRange(4, 31));
 		assertThat(BitsCronField.parseMonth("1,2,3")).has(set(1, 2, 3)).has(clearRange(4, 12));
@@ -107,6 +112,7 @@ class BitsCronFieldTests {
 				.has(clear(0)).has(setRange(1, 7));
 	}
 
+
 	private static Condition<BitsCronField> set(int... indices) {
 		return new Condition<BitsCronField>(String.format("set bits %s", Arrays.toString(indices))) {
 			@Override

spring-context/src/test/java/org/springframework/scheduling/support/CronTriggerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -848,6 +848,7 @@ class CronTriggerTests {
 		assertThat(nextExecutionTime).isEqualTo(this.calendar.getTime());
 	}
 
+
 	private static void roundup(Calendar calendar) {
 		calendar.add(Calendar.SECOND, 1);
 		calendar.set(Calendar.MILLISECOND, 0);
@@ -861,9 +862,7 @@ class CronTriggerTests {
 	}
 
 	private static TriggerContext getTriggerContext(Date lastCompletionTime) {
-		SimpleTriggerContext context = new SimpleTriggerContext();
-		context.update(null, null, lastCompletionTime);
-		return context;
+		return new SimpleTriggerContext(null, null, lastCompletionTime);
 	}
 
 

spring-context/src/test/java/org/springframework/scheduling/support/QuartzCronFieldTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
  * Unit tests for {@link QuartzCronField}.
  *
  * @author Arjen Poutsma
+ * @author Juergen Hoeller
  */
 class QuartzCronFieldTests {
 
@@ -71,6 +72,46 @@ class QuartzCronFieldTests {
 		assertThat(field.nextOrSame(last)).isEqualTo(expected);
 	}
 
+	@Test
+	void dayOfWeek_0(){
+		// third Sunday (0) of the month
+		QuartzCronField field = QuartzCronField.parseDaysOfWeek("0#3");
+
+		LocalDate last = LocalDate.of(2024, 1, 1);
+		LocalDate expected = LocalDate.of(2024, 1, 21);
+		assertThat(field.nextOrSame(last)).isEqualTo(expected);
+	}
+
+	@Test
+	void dayOfWeek_1(){
+		// third Monday (1) of the month
+		QuartzCronField field = QuartzCronField.parseDaysOfWeek("1#3");
+
+		LocalDate last = LocalDate.of(2024, 1, 1);
+		LocalDate expected = LocalDate.of(2024, 1, 15);
+		assertThat(field.nextOrSame(last)).isEqualTo(expected);
+	}
+
+	@Test
+	void dayOfWeek_2(){
+		// third Tuesday (2) of the month
+		QuartzCronField field = QuartzCronField.parseDaysOfWeek("2#3");
+
+		LocalDate last = LocalDate.of(2024, 1, 1);
+		LocalDate expected = LocalDate.of(2024, 1, 16);
+		assertThat(field.nextOrSame(last)).isEqualTo(expected);
+	}
+
+	@Test
+	void dayOfWeek_7() {
+		// third Sunday (7 as alternative to 0) of the month
+		QuartzCronField field = QuartzCronField.parseDaysOfWeek("7#3");
+
+		LocalDate last = LocalDate.of(2024, 1, 1);
+		LocalDate expected = LocalDate.of(2024, 1, 21);
+		assertThat(field.nextOrSame(last)).isEqualTo(expected);
+	}
+
 	@Test
 	void invalidValues() {
 		assertThatIllegalArgumentException().isThrownBy(() -> QuartzCronField.parseDaysOfMonth(""));

spring-context/src/test/resources/org/springframework/beans/factory/xml/XmlBeanFactoryTests-delegationOverrides.xml

@@ -3,9 +3,6 @@
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
 
-	<!--
-		Not yet in use: illustration of possible approach
-	-->
 	<bean id="overrideOneMethod" class="org.springframework.beans.factory.xml.OverrideOneMethod">
 
 		<lookup-method name="getPrototypeDependency" bean="jenny"/>
@@ -27,39 +24,34 @@
 
 		<lookup-method name="protectedOverrideSingleton" bean="david"/>
 
-		<!--
-			This method is not overloaded, so we don't need to specify any arg types
-		-->
+		<!-- This method is not overloaded, so we don't need to specify any arg types -->
 		<replaced-method name="doSomething" replacer="doSomethingReplacer"/>
 
 	</bean>
 
-	<bean id="replaceVoidMethod" parent="someParent"
-			class="org.springframework.beans.factory.xml.OverrideOneMethodSubclass">
+	<bean id="replaceVoidMethod" parent="someParent" class="org.springframework.beans.factory.xml.OverrideOneMethodSubclass"/>
 
+	<bean id="replaceEchoMethod" class="org.springframework.beans.factory.xml.EchoService">
+		<!-- This method is not overloaded, so we don't need to specify any arg types -->
+		<replaced-method name="echo" replacer="reverseArrayReplacer" />
 	</bean>
 
-	<bean id="reverseReplacer"
-		class="org.springframework.beans.factory.xml.ReverseMethodReplacer"/>
+	<bean id="reverseReplacer" class="org.springframework.beans.factory.xml.ReverseMethodReplacer"/>
 
-	<bean id="fixedReplacer"
-		class="org.springframework.beans.factory.xml.FixedMethodReplacer"/>
+	<bean id="reverseArrayReplacer" class="org.springframework.beans.factory.xml.ReverseArrayMethodReplacer"/>
 
-	<bean id="doSomethingReplacer"
-		class="org.springframework.beans.factory.xml.XmlBeanFactoryTests$DoSomethingReplacer"/>
+	<bean id="fixedReplacer" class="org.springframework.beans.factory.xml.FixedMethodReplacer"/>
 
-	<bean id="serializableReplacer"
-		class="org.springframework.beans.factory.xml.SerializableMethodReplacerCandidate">
+	<bean id="doSomethingReplacer" class="org.springframework.beans.factory.xml.XmlBeanFactoryTests$DoSomethingReplacer"/>
 
+	<bean id="serializableReplacer" class="org.springframework.beans.factory.xml.SerializableMethodReplacerCandidate">
 		<!-- Arbitrary method replacer -->
 		<replaced-method name="replaceMe" replacer="reverseReplacer">
 			<arg-type>String</arg-type>
 		</replaced-method>
-
 	</bean>
 
-	<bean id="jenny" class="org.springframework.beans.testfixture.beans.TestBean"
-		scope="prototype">
+	<bean id="jenny" class="org.springframework.beans.testfixture.beans.TestBean" scope="prototype">
 		<property name="name"><value>Jenny</value></property>
 		<property name="age"><value>30</value></property>
 		<property name="spouse">
@@ -68,8 +60,7 @@
 		</property>
 	</bean>
 
-	<bean id="david" class="org.springframework.beans.testfixture.beans.TestBean"
-		scope="singleton">
+	<bean id="david" class="org.springframework.beans.testfixture.beans.TestBean" scope="singleton">
 		<description>
 			Simple bean, without any collections.
 		</description>

spring-core/src/main/java/org/springframework/core/SerializableTypeWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -159,7 +159,7 @@ final class SerializableTypeWrapper {
 
 		/**
 		 * Return the source of the type, or {@code null} if not known.
-		 * <p>The default implementations returns {@code null}.
+		 * <p>The default implementation returns {@code null}.
 		 */
 		@Nullable
 		default Object getSource() {
@@ -214,7 +214,12 @@ final class SerializableTypeWrapper {
 				return result;
 			}
 
-			return ReflectionUtils.invokeMethod(method, this.provider.getType(), args);
+			Type type = this.provider.getType();
+			if (type instanceof TypeVariable<?> && method.getName().equals("getName")) {
+				// Avoid reflection for common comparison of type variables
+				return ((TypeVariable<?>) type).getName();
+			}
+			return ReflectionUtils.invokeMethod(method, type, args);
 		}
 	}
 

spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -757,7 +757,7 @@ public abstract class AnnotationUtils {
 	 * Google App Engine's late arrival of {@code TypeNotPresentExceptionProxy} for
 	 * {@code Class} values (instead of early {@code Class.getAnnotations() failure}).
 	 * <p>This method not failing indicates that {@link #getAnnotationAttributes(Annotation)}
-	 * won't failure either (when attempted later on).
+	 * won't fail either (when attempted later on).
 	 * @param annotation the annotation to validate
 	 * @throws IllegalStateException if a declared {@code Class} attribute could not be read
 	 * @since 4.3.15
@@ -1059,8 +1059,7 @@ public abstract class AnnotationUtils {
 			return null;
 		}
 		catch (Throwable ex) {
-			rethrowAnnotationConfigurationException(ex);
-			handleIntrospectionFailure(annotation.getClass(), ex);
+			handleValueRetrievalFailure(annotation, ex);
 			return null;
 		}
 	}
@@ -1076,14 +1075,18 @@ public abstract class AnnotationUtils {
 	 * @return the value returned from the method invocation
 	 * @since 5.3.24
 	 */
-	static Object invokeAnnotationMethod(Method method, Object annotation) {
+	@Nullable
+	static Object invokeAnnotationMethod(Method method, @Nullable Object annotation) {
+		if (annotation == null) {
+			return null;
+		}
 		if (Proxy.isProxyClass(annotation.getClass())) {
 			try {
 				InvocationHandler handler = Proxy.getInvocationHandler(annotation);
 				return handler.invoke(annotation, method, null);
 			}
 			catch (Throwable ex) {
-				// ignore and fall back to reflection below
+				// Ignore and fall back to reflection below
 			}
 		}
 		return ReflectionUtils.invokeMethod(method, annotation);
@@ -1117,20 +1120,32 @@ public abstract class AnnotationUtils {
 	 * @see #rethrowAnnotationConfigurationException
 	 * @see IntrospectionFailureLogger
 	 */
-	static void handleIntrospectionFailure(@Nullable AnnotatedElement element, Throwable ex) {
+	static void handleIntrospectionFailure(AnnotatedElement element, Throwable ex) {
 		rethrowAnnotationConfigurationException(ex);
 		IntrospectionFailureLogger logger = IntrospectionFailureLogger.INFO;
 		boolean meta = false;
 		if (element instanceof Class && Annotation.class.isAssignableFrom((Class<?>) element)) {
-			// Meta-annotation or (default) value lookup on an annotation type
+			// Meta-annotation introspection failure
 			logger = IntrospectionFailureLogger.DEBUG;
 			meta = true;
 		}
 		if (logger.isEnabled()) {
-			String message = meta ?
-					"Failed to meta-introspect annotation " :
-					"Failed to introspect annotations on ";
-			logger.log(message + element + ": " + ex);
+			logger.log("Failed to " + (meta ? "meta-introspect annotation " : "introspect annotations on ") +
+					element + ": " + ex);
+		}
+	}
+
+	/**
+	 * Handle the supplied value retrieval exception.
+	 * @param annotation the annotation instance from which to retrieve the value
+	 * @param ex the exception that we encountered
+	 * @see #handleIntrospectionFailure
+	 */
+	private static void handleValueRetrievalFailure(Annotation annotation, Throwable ex) {
+		rethrowAnnotationConfigurationException(ex);
+		IntrospectionFailureLogger logger = IntrospectionFailureLogger.INFO;
+		if (logger.isEnabled()) {
+			logger.log("Failed to retrieve value from " + annotation + ": " + ex);
 		}
 	}
 

spring-core/src/main/java/org/springframework/core/annotation/AnnotationsScanner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -339,11 +339,10 @@ abstract class AnnotationsScanner {
 
 		Method[] methods = baseTypeMethodsCache.get(baseType);
 		if (methods == null) {
-			boolean isInterface = baseType.isInterface();
-			methods = isInterface ? baseType.getMethods() : ReflectionUtils.getDeclaredMethods(baseType);
+			methods = ReflectionUtils.getDeclaredMethods(baseType);
 			int cleared = 0;
 			for (int i = 0; i < methods.length; i++) {
-				if ((!isInterface && Modifier.isPrivate(methods[i].getModifiers())) ||
+				if (Modifier.isPrivate(methods[i].getModifiers()) ||
 						hasPlainJavaAnnotationsOnly(methods[i]) ||
 						getDeclaredAnnotations(methods[i], false).length == 0) {
 					methods[i] = null;
@@ -457,7 +456,7 @@ abstract class AnnotationsScanner {
 				for (int i = 0; i < annotations.length; i++) {
 					Annotation annotation = annotations[i];
 					if (isIgnorable(annotation.annotationType()) ||
-							!AttributeMethods.forAnnotationType(annotation.annotationType()).isValid(annotation)) {
+							!AttributeMethods.forAnnotationType(annotation.annotationType()).canLoad(annotation)) {
 						annotations[i] = null;
 					}
 					else {

spring-core/src/main/java/org/springframework/core/annotation/AttributeMethods.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,7 +45,7 @@ final class AttributeMethods {
 		if (m1 != null && m2 != null) {
 			return m1.getName().compareTo(m2.getName());
 		}
-		return m1 != null ? -1 : 1;
+		return (m1 != null ? -1 : 1);
 	};
 
 
@@ -87,18 +87,26 @@ final class AttributeMethods {
 	/**
 	 * Determine if values from the given annotation can be safely accessed without
 	 * causing any {@link TypeNotPresentException TypeNotPresentExceptions}.
+	 * <p>This method is designed to cover Google App Engine's late arrival of such
+	 * exceptions for {@code Class} values (instead of the more typical early
+	 * {@code Class.getAnnotations() failure} on a regular JVM).
 	 * @param annotation the annotation to check
 	 * @return {@code true} if all values are present
 	 * @see #validate(Annotation)
 	 */
-	boolean isValid(Annotation annotation) {
+	boolean canLoad(Annotation annotation) {
 		assertAnnotation(annotation);
 		for (int i = 0; i < size(); i++) {
 			if (canThrowTypeNotPresentException(i)) {
 				try {
 					AnnotationUtils.invokeAnnotationMethod(get(i), annotation);
 				}
+				catch (IllegalStateException ex) {
+					// Plain invocation failure to expose -> leave up to attribute retrieval
+					// (if any) where such invocation failure will be logged eventually.
+				}
 				catch (Throwable ex) {
+					// TypeNotPresentException etc. -> annotation type not actually loadable.
 					return false;
 				}
 			}
@@ -108,13 +116,13 @@ final class AttributeMethods {
 
 	/**
 	 * Check if values from the given annotation can be safely accessed without causing
-	 * any {@link TypeNotPresentException TypeNotPresentExceptions}. In particular,
-	 * this method is designed to cover Google App Engine's late arrival of such
+	 * any {@link TypeNotPresentException TypeNotPresentExceptions}.
+	 * <p>This method is designed to cover Google App Engine's late arrival of such
 	 * exceptions for {@code Class} values (instead of the more typical early
-	 * {@code Class.getAnnotations() failure}).
+	 * {@code Class.getAnnotations() failure} on a regular JVM).
 	 * @param annotation the annotation to validate
 	 * @throws IllegalStateException if a declared {@code Class} attribute could not be read
-	 * @see #isValid(Annotation)
+	 * @see #canLoad(Annotation)
 	 */
 	void validate(Annotation annotation) {
 		assertAnnotation(annotation);
@@ -123,6 +131,9 @@ final class AttributeMethods {
 				try {
 					AnnotationUtils.invokeAnnotationMethod(get(i), annotation);
 				}
+				catch (IllegalStateException ex) {
+					throw ex;
+				}
 				catch (Throwable ex) {
 					throw new IllegalStateException("Could not obtain annotation attribute value for " +
 							get(i).getName() + " declared on " + annotation.annotationType(), ex);
@@ -147,7 +158,7 @@ final class AttributeMethods {
 	@Nullable
 	Method get(String name) {
 		int index = indexOf(name);
-		return index != -1 ? this.attributeMethods[index] : null;
+		return (index != -1 ? this.attributeMethods[index] : null);
 	}
 
 	/**

spring-core/src/main/java/org/springframework/core/convert/TypeDescriptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -476,7 +476,7 @@ public class TypeDescriptor implements Serializable {
 					ObjectUtils.nullSafeEquals(getMapValueTypeDescriptor(), otherDesc.getMapValueTypeDescriptor()));
 		}
 		else {
-			return true;
+			return Arrays.equals(getResolvableType().getGenerics(), otherDesc.getResolvableType().getGenerics());
 		}
 	}
 
@@ -523,7 +523,7 @@ public class TypeDescriptor implements Serializable {
 	/**
 	 * Create a new type descriptor for an object.
 	 * <p>Use this factory method to introspect a source object before asking the
-	 * conversion system to convert it to some another type.
+	 * conversion system to convert it to some other type.
 	 * <p>If the provided object is {@code null}, returns {@code null}, else calls
 	 * {@link #valueOf(Class)} to build a TypeDescriptor from the object's class.
 	 * @param source the source object

spring-core/src/main/java/org/springframework/core/io/support/PathMatchingResourcePatternResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -496,7 +496,7 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 		String rootDirPath = determineRootDir(locationPattern);
 		String subPattern = locationPattern.substring(rootDirPath.length());
 		Resource[] rootDirResources = getResources(rootDirPath);
-		Set<Resource> result = new LinkedHashSet<>(16);
+		Set<Resource> result = new LinkedHashSet<>(64);
 		for (Resource rootDirResource : rootDirResources) {
 			rootDirResource = resolveRootDirResource(rootDirResource);
 			URL rootDirUrl = rootDirResource.getURL();
@@ -648,7 +648,7 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 				// The Sun JRE does not return a slash here, but BEA JRockit does.
 				rootEntryPath = rootEntryPath + "/";
 			}
-			Set<Resource> result = new LinkedHashSet<>(8);
+			Set<Resource> result = new LinkedHashSet<>(64);
 			for (Enumeration<JarEntry> entries = jarFile.entries(); entries.hasMoreElements();) {
 				JarEntry entry = entries.nextElement();
 				String entryPath = entry.getName();
@@ -864,7 +864,7 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 
 		private final String rootPath;
 
-		private final Set<Resource> resources = new LinkedHashSet<>();
+		private final Set<Resource> resources = new LinkedHashSet<>(64);
 
 		public PatternVirtualFileVisitor(String rootPath, String subPattern, PathMatcher pathMatcher) {
 			this.subPattern = subPattern;
@@ -895,7 +895,6 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 			else if ("toString".equals(methodName)) {
 				return toString();
 			}
-
 			throw new IllegalStateException("Unexpected method invocation: " + method);
 		}
 

spring-core/src/main/java/org/springframework/core/io/support/ResourcePropertiesPersister.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,6 +30,8 @@ import org.springframework.util.DefaultPropertiesPersister;
  * "spring.xml.ignore" property.
  *
  * <p>This is the standard implementation used in Spring's resource support.
+ * Only intended for internal use within the framework. For other purposes,
+ * use its base class {@link DefaultPropertiesPersister} instead.
  *
  * @author Juergen Hoeller
  * @author Sebastien Deleuze
@@ -40,7 +42,6 @@ public class ResourcePropertiesPersister extends DefaultPropertiesPersister {
 	/**
 	 * A convenient constant for a default {@code ResourcePropertiesPersister} instance,
 	 * as used in Spring's common resource support.
-	 * @since 5.3
 	 */
 	public static final ResourcePropertiesPersister INSTANCE = new ResourcePropertiesPersister();
 

spring-core/src/main/java/org/springframework/util/ClassUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,7 +44,8 @@ import org.springframework.lang.Nullable;
 
 /**
  * Miscellaneous {@code java.lang.Class} utility methods.
- * Mainly for internal use within the framework.
+ *
+ * <p>Mainly for internal use within the framework.
  *
  * @author Juergen Hoeller
  * @author Keith Donald
@@ -243,7 +244,7 @@ public abstract class ClassUtils {
 	 * style (e.g. "java.lang.Thread.State" instead of "java.lang.Thread$State").
 	 * @param name the name of the Class
 	 * @param classLoader the class loader to use
-	 * (may be {@code null}, which indicates the default class loader)
+	 * (can be {@code null}, which indicates the default class loader)
 	 * @return a class instance for the supplied name
 	 * @throws ClassNotFoundException if the class was not found
 	 * @throws LinkageError if the class file could not be loaded
@@ -314,7 +315,7 @@ public abstract class ClassUtils {
 	 * the exceptions thrown in case of class loading failure.
 	 * @param className the name of the Class
 	 * @param classLoader the class loader to use
-	 * (may be {@code null}, which indicates the default class loader)
+	 * (can be {@code null}, which indicates the default class loader)
 	 * @return a class instance for the supplied name
 	 * @throws IllegalArgumentException if the class name was not resolvable
 	 * (that is, the class could not be found or the class file could not be loaded)
@@ -348,7 +349,7 @@ public abstract class ClassUtils {
 	 * one of its dependencies is not present or cannot be loaded.
 	 * @param className the name of the class to check
 	 * @param classLoader the class loader to use
-	 * (may be {@code null} which indicates the default class loader)
+	 * (can be {@code null} which indicates the default class loader)
 	 * @return whether the specified class is present (including all of its
 	 * superclasses and interfaces)
 	 * @throws IllegalStateException if the corresponding class is resolvable but
@@ -375,7 +376,7 @@ public abstract class ClassUtils {
 	 * Check whether the given class is visible in the given ClassLoader.
 	 * @param clazz the class to check (typically an interface)
 	 * @param classLoader the ClassLoader to check against
-	 * (may be {@code null} in which case this method will always return {@code true})
+	 * (can be {@code null} in which case this method will always return {@code true})
 	 */
 	public static boolean isVisible(Class<?> clazz, @Nullable ClassLoader classLoader) {
 		if (classLoader == null) {
@@ -399,7 +400,7 @@ public abstract class ClassUtils {
 	 * i.e. whether it is loaded by the given ClassLoader or a parent of it.
 	 * @param clazz the class to analyze
 	 * @param classLoader the ClassLoader to potentially cache metadata in
-	 * (may be {@code null} which indicates the system class loader)
+	 * (can be {@code null} which indicates the system class loader)
 	 */
 	public static boolean isCacheSafe(Class<?> clazz, @Nullable ClassLoader classLoader) {
 		Assert.notNull(clazz, "Class must not be null");
@@ -539,9 +540,10 @@ public abstract class ClassUtils {
 	 * Check if the right-hand side type may be assigned to the left-hand side
 	 * type, assuming setting by reflection. Considers primitive wrapper
 	 * classes as assignable to the corresponding primitive types.
-	 * @param lhsType the target type
-	 * @param rhsType the value type that should be assigned to the target type
-	 * @return if the target type is assignable from the value type
+	 * @param lhsType the target type (left-hand side (LHS) type)
+	 * @param rhsType the value type (right-hand side (RHS) type) that should
+	 * be assigned to the target type
+	 * @return {@code true} if {@code rhsType} is assignable to {@code lhsType}
 	 * @see TypeUtils#isAssignable(java.lang.reflect.Type, java.lang.reflect.Type)
 	 */
 	public static boolean isAssignable(Class<?> lhsType, Class<?> rhsType) {
@@ -662,7 +664,7 @@ public abstract class ClassUtils {
 	 * in the given collection.
 	 * <p>Basically like {@code AbstractCollection.toString()}, but stripping
 	 * the "class "/"interface " prefix before every class name.
-	 * @param classes a Collection of Class objects (may be {@code null})
+	 * @param classes a Collection of Class objects (can be {@code null})
 	 * @return a String of form "[com.foo.Bar, com.foo.Baz]"
 	 * @see java.util.AbstractCollection#toString()
 	 */
@@ -717,7 +719,7 @@ public abstract class ClassUtils {
 	 * <p>If the class itself is an interface, it gets returned as sole interface.
 	 * @param clazz the class to analyze for interfaces
 	 * @param classLoader the ClassLoader that the interfaces need to be visible in
-	 * (may be {@code null} when accepting all declared interfaces)
+	 * (can be {@code null} when accepting all declared interfaces)
 	 * @return all interfaces that the given object implements as an array
 	 */
 	public static Class<?>[] getAllInterfacesForClass(Class<?> clazz, @Nullable ClassLoader classLoader) {
@@ -752,7 +754,7 @@ public abstract class ClassUtils {
 	 * <p>If the class itself is an interface, it gets returned as sole interface.
 	 * @param clazz the class to analyze for interfaces
 	 * @param classLoader the ClassLoader that the interfaces need to be visible in
-	 * (may be {@code null} when accepting all declared interfaces)
+	 * (can be {@code null} when accepting all declared interfaces)
 	 * @return all interfaces that the given object implements as a Set
 	 */
 	public static Set<Class<?>> getAllInterfacesForClassAsSet(Class<?> clazz, @Nullable ClassLoader classLoader) {
@@ -866,9 +868,9 @@ public abstract class ClassUtils {
 	/**
 	 * Check whether the given object is a CGLIB proxy.
 	 * @param object the object to check
-	 * @see #isCglibProxyClass(Class)
 	 * @see org.springframework.aop.support.AopUtils#isCglibProxy(Object)
 	 * @deprecated as of 5.2, in favor of custom (possibly narrower) checks
+	 * such as for a Spring AOP proxy
 	 */
 	@Deprecated
 	public static boolean isCglibProxy(Object object) {
@@ -878,8 +880,9 @@ public abstract class ClassUtils {
 	/**
 	 * Check whether the specified class is a CGLIB-generated class.
 	 * @param clazz the class to check
-	 * @see #isCglibProxyClassName(String)
+	 * @see #getUserClass(Class)
 	 * @deprecated as of 5.2, in favor of custom (possibly narrower) checks
+	 * or simply a check for containing {@link #CGLIB_CLASS_SEPARATOR}
 	 */
 	@Deprecated
 	public static boolean isCglibProxyClass(@Nullable Class<?> clazz) {
@@ -889,7 +892,9 @@ public abstract class ClassUtils {
 	/**
 	 * Check whether the specified class name is a CGLIB-generated class.
 	 * @param className the class name to check
+	 * @see #CGLIB_CLASS_SEPARATOR
 	 * @deprecated as of 5.2, in favor of custom (possibly narrower) checks
+	 * or simply a check for containing {@link #CGLIB_CLASS_SEPARATOR}
 	 */
 	@Deprecated
 	public static boolean isCglibProxyClassName(@Nullable String className) {
@@ -913,6 +918,7 @@ public abstract class ClassUtils {
 	 * class, but the original class in case of a CGLIB-generated subclass.
 	 * @param clazz the class to check
 	 * @return the user-defined class
+	 * @see #CGLIB_CLASS_SEPARATOR
 	 */
 	public static Class<?> getUserClass(Class<?> clazz) {
 		if (clazz.getName().contains(CGLIB_CLASS_SEPARATOR)) {
@@ -1065,7 +1071,7 @@ public abstract class ClassUtils {
 	 * fully qualified interface/class name + "." + method name.
 	 * @param method the method
 	 * @param clazz the clazz that the method is being invoked on
-	 * (may be {@code null} to indicate the method's declaring class)
+	 * (can be {@code null} to indicate the method's declaring class)
 	 * @return the qualified name of the method
 	 * @since 4.3.4
 	 */
@@ -1146,7 +1152,7 @@ public abstract class ClassUtils {
 	 * @param clazz the clazz to analyze
 	 * @param methodName the name of the method
 	 * @param paramTypes the parameter types of the method
-	 * (may be {@code null} to indicate any signature)
+	 * (can be {@code null} to indicate any signature)
 	 * @return the method (never {@code null})
 	 * @throws IllegalStateException if the method has not been found
 	 * @see Class#getMethod
@@ -1185,7 +1191,7 @@ public abstract class ClassUtils {
 	 * @param clazz the clazz to analyze
 	 * @param methodName the name of the method
 	 * @param paramTypes the parameter types of the method
-	 * (may be {@code null} to indicate any signature)
+	 * (can be {@code null} to indicate any signature)
 	 * @return the method, or {@code null} if not found
 	 * @see Class#getMethod
 	 */
@@ -1261,26 +1267,27 @@ public abstract class ClassUtils {
 	/**
 	 * Given a method, which may come from an interface, and a target class used
 	 * in the current reflective invocation, find the corresponding target method
-	 * if there is one. E.g. the method may be {@code IFoo.bar()} and the
-	 * target class may be {@code DefaultFoo}. In this case, the method may be
+	 * if there is one &mdash; for example, the method may be {@code IFoo.bar()},
+	 * and the target class may be {@code DefaultFoo}. In this case, the method may be
 	 * {@code DefaultFoo.bar()}. This enables attributes on that method to be found.
 	 * <p><b>NOTE:</b> In contrast to {@link org.springframework.aop.support.AopUtils#getMostSpecificMethod},
 	 * this method does <i>not</i> resolve bridge methods automatically.
 	 * Call {@link org.springframework.core.BridgeMethodResolver#findBridgedMethod}
-	 * if bridge method resolution is desirable (e.g. for obtaining metadata from
-	 * the original method definition).
-	 * <p><b>NOTE:</b> Since Spring 3.1.1, if Java security settings disallow reflective
-	 * access (e.g. calls to {@code Class#getDeclaredMethods} etc, this implementation
-	 * will fall back to returning the originally provided method.
+	 * if bridge method resolution is desirable &mdash; for example, to obtain
+	 * metadata from the original method definition.
+	 * <p><b>NOTE:</b> If Java security settings disallow reflective access &mdash;
+	 * for example, calls to {@code Class#getDeclaredMethods}, etc. &mdash; this
+	 * implementation will fall back to returning the originally provided method.
 	 * @param method the method to be invoked, which may come from an interface
 	 * @param targetClass the target class for the current invocation
-	 * (may be {@code null} or may not even implement the method)
+	 * (can be {@code null} or may not even implement the method)
 	 * @return the specific target method, or the original method if the
 	 * {@code targetClass} does not implement it
 	 * @see #getInterfaceMethodIfPossible(Method, Class)
 	 */
 	public static Method getMostSpecificMethod(Method method, @Nullable Class<?> targetClass) {
-		if (targetClass != null && targetClass != method.getDeclaringClass() && isOverridable(method, targetClass)) {
+		if (targetClass != null && targetClass != method.getDeclaringClass() &&
+				(isOverridable(method, targetClass) || !method.getDeclaringClass().isAssignableFrom(targetClass))) {
 			try {
 				if (Modifier.isPublic(method.getModifiers())) {
 					try {

spring-core/src/test/java/org/springframework/core/annotation/AnnotationIntrospectionFailureTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,55 +43,45 @@ class AnnotationIntrospectionFailureTests {
 
 	@Test
 	void filteredTypeThrowsTypeNotPresentException() throws Exception {
-		FilteringClassLoader classLoader = new FilteringClassLoader(
-				getClass().getClassLoader());
-		Class<?> withExampleAnnotation = ClassUtils.forName(
-				WithExampleAnnotation.class.getName(), classLoader);
-		Annotation annotation = withExampleAnnotation.getAnnotations()[0];
+		FilteringClassLoader classLoader = new FilteringClassLoader(getClass().getClassLoader());
+		Class<?> withAnnotation = ClassUtils.forName(WithExampleAnnotation.class.getName(), classLoader);
+		Annotation annotation = withAnnotation.getAnnotations()[0];
 		Method method = annotation.annotationType().getMethod("value");
 		method.setAccessible(true);
-		assertThatExceptionOfType(TypeNotPresentException.class).isThrownBy(() ->
-				ReflectionUtils.invokeMethod(method, annotation))
-			.withCauseInstanceOf(ClassNotFoundException.class);
+		assertThatExceptionOfType(TypeNotPresentException.class)
+				.isThrownBy(() -> ReflectionUtils.invokeMethod(method, annotation))
+				.withCauseInstanceOf(ClassNotFoundException.class);
 	}
 
 	@Test
 	@SuppressWarnings("unchecked")
 	void filteredTypeInMetaAnnotationWhenUsingAnnotatedElementUtilsHandlesException() throws Exception {
-		FilteringClassLoader classLoader = new FilteringClassLoader(
-				getClass().getClassLoader());
-		Class<?> withExampleMetaAnnotation = ClassUtils.forName(
-				WithExampleMetaAnnotation.class.getName(), classLoader);
-		Class<Annotation> exampleAnnotationClass = (Class<Annotation>) ClassUtils.forName(
-				ExampleAnnotation.class.getName(), classLoader);
-		Class<Annotation> exampleMetaAnnotationClass = (Class<Annotation>) ClassUtils.forName(
-				ExampleMetaAnnotation.class.getName(), classLoader);
-		assertThat(AnnotatedElementUtils.getMergedAnnotationAttributes(
-				withExampleMetaAnnotation, exampleAnnotationClass)).isNull();
-		assertThat(AnnotatedElementUtils.getMergedAnnotationAttributes(
-				withExampleMetaAnnotation, exampleMetaAnnotationClass)).isNull();
-		assertThat(AnnotatedElementUtils.hasAnnotation(withExampleMetaAnnotation,
-				exampleAnnotationClass)).isFalse();
-		assertThat(AnnotatedElementUtils.hasAnnotation(withExampleMetaAnnotation,
-				exampleMetaAnnotationClass)).isFalse();
+		FilteringClassLoader classLoader = new FilteringClassLoader(getClass().getClassLoader());
+		Class<?> withAnnotation = ClassUtils.forName(WithExampleMetaAnnotation.class.getName(), classLoader);
+		Class<Annotation> annotationClass = (Class<Annotation>)
+				ClassUtils.forName(ExampleAnnotation.class.getName(), classLoader);
+		Class<Annotation> metaAnnotationClass = (Class<Annotation>)
+				ClassUtils.forName(ExampleMetaAnnotation.class.getName(), classLoader);
+		assertThat(AnnotatedElementUtils.getMergedAnnotationAttributes(withAnnotation, annotationClass)).isNull();
+		assertThat(AnnotatedElementUtils.getMergedAnnotationAttributes(withAnnotation, metaAnnotationClass)).isNull();
+		assertThat(AnnotatedElementUtils.hasAnnotation(withAnnotation, annotationClass)).isFalse();
+		assertThat(AnnotatedElementUtils.hasAnnotation(withAnnotation, metaAnnotationClass)).isFalse();
 	}
 
 	@Test
 	@SuppressWarnings("unchecked")
 	void filteredTypeInMetaAnnotationWhenUsingMergedAnnotationsHandlesException() throws Exception {
-		FilteringClassLoader classLoader = new FilteringClassLoader(
-				getClass().getClassLoader());
-		Class<?> withExampleMetaAnnotation = ClassUtils.forName(
-				WithExampleMetaAnnotation.class.getName(), classLoader);
-		Class<Annotation> exampleAnnotationClass = (Class<Annotation>) ClassUtils.forName(
-				ExampleAnnotation.class.getName(), classLoader);
-		Class<Annotation> exampleMetaAnnotationClass = (Class<Annotation>) ClassUtils.forName(
-				ExampleMetaAnnotation.class.getName(), classLoader);
-		MergedAnnotations annotations = MergedAnnotations.from(withExampleMetaAnnotation);
-		assertThat(annotations.get(exampleAnnotationClass).isPresent()).isFalse();
-		assertThat(annotations.get(exampleMetaAnnotationClass).isPresent()).isFalse();
-		assertThat(annotations.isPresent(exampleMetaAnnotationClass)).isFalse();
-		assertThat(annotations.isPresent(exampleAnnotationClass)).isFalse();
+		FilteringClassLoader classLoader = new FilteringClassLoader(getClass().getClassLoader());
+		Class<?> withAnnotation = ClassUtils.forName(WithExampleMetaAnnotation.class.getName(), classLoader);
+		Class<Annotation> annotationClass = (Class<Annotation>)
+				ClassUtils.forName(ExampleAnnotation.class.getName(), classLoader);
+		Class<Annotation> metaAnnotationClass = (Class<Annotation>)
+				ClassUtils.forName(ExampleMetaAnnotation.class.getName(), classLoader);
+		MergedAnnotations annotations = MergedAnnotations.from(withAnnotation);
+		assertThat(annotations.get(annotationClass).isPresent()).isFalse();
+		assertThat(annotations.get(metaAnnotationClass).isPresent()).isFalse();
+		assertThat(annotations.isPresent(metaAnnotationClass)).isFalse();
+		assertThat(annotations.isPresent(annotationClass)).isFalse();
 	}
 
 
@@ -103,17 +93,16 @@ class AnnotationIntrospectionFailureTests {
 
 		@Override
 		protected boolean isEligibleForOverriding(String className) {
-			return className.startsWith(
-					AnnotationIntrospectionFailureTests.class.getName());
+			return className.startsWith(AnnotationIntrospectionFailureTests.class.getName()) ||
+					className.startsWith("jdk.internal");
 		}
 
 		@Override
-		protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
-			if (name.startsWith(AnnotationIntrospectionFailureTests.class.getName()) &&
-					name.contains("Filtered")) {
+		protected Class<?> loadClassForOverriding(String name) throws ClassNotFoundException {
+			if (name.contains("Filtered") || name.startsWith("jdk.internal")) {
 				throw new ClassNotFoundException(name);
 			}
-			return super.loadClass(name, resolve);
+			return super.loadClassForOverriding(name);
 		}
 	}
 

spring-core/src/test/java/org/springframework/core/annotation/AnnotationsScannerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -194,7 +194,7 @@ class AnnotationsScannerTests {
 	}
 
 	@Test
-	void typeHierarchyStrategyOnClassWhenHasInterfaceDoesNotIncludeInterfaces() {
+	void typeHierarchyStrategyOnClassWhenHasSingleInterfaceScansInterfaces() {
 		Class<?> source = WithSingleInterface.class;
 		assertThat(scan(source, SearchStrategy.TYPE_HIERARCHY)).containsExactly(
 				"0:TestAnnotation1", "1:TestAnnotation2", "1:TestInheritedAnnotation2");
@@ -350,10 +350,19 @@ class AnnotationsScannerTests {
 	}
 
 	@Test
-	void typeHierarchyStrategyOnMethodWhenHasInterfaceDoesNotIncludeInterfaces() {
+	void typeHierarchyStrategyOnMethodWhenHasInterfaceScansInterfaces() {
 		Method source = methodFrom(WithSingleInterface.class);
 		assertThat(scan(source, SearchStrategy.TYPE_HIERARCHY)).containsExactly(
 				"0:TestAnnotation1", "1:TestAnnotation2", "1:TestInheritedAnnotation2");
+
+		source = methodFrom(Hello1Impl.class);
+		assertThat(scan(source, SearchStrategy.TYPE_HIERARCHY)).containsExactly("1:TestAnnotation1");
+	}
+
+	@Test  // gh-31803
+	void typeHierarchyStrategyOnMethodWhenHasInterfaceHierarchyScansInterfacesOnlyOnce() {
+		Method source = methodFrom(Hello2Impl.class);
+		assertThat(scan(source, SearchStrategy.TYPE_HIERARCHY)).containsExactly("1:TestAnnotation1");
 	}
 
 	@Test
@@ -663,6 +672,30 @@ class AnnotationsScannerTests {
 		}
 	}
 
+	interface Hello1 {
+
+		@TestAnnotation1
+		void method();
+	}
+
+	interface Hello2 extends Hello1 {
+	}
+
+	static class Hello1Impl implements Hello1 {
+
+		@Override
+		public void method() {
+		}
+	}
+
+	static class Hello2Impl implements Hello2 {
+
+		@Override
+		public void method() {
+		}
+	}
+
+
 	@TestAnnotation2
 	@TestInheritedAnnotation2
 	static class HierarchySuperclass extends HierarchySuperSuperclass {

spring-core/src/test/java/org/springframework/core/annotation/AttributeMethodsTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -112,7 +112,7 @@ class AttributeMethodsTests {
 		ClassValue annotation = mockAnnotation(ClassValue.class);
 		given(annotation.value()).willThrow(TypeNotPresentException.class);
 		AttributeMethods attributes = AttributeMethods.forAnnotationType(annotation.annotationType());
-		assertThat(attributes.isValid(annotation)).isFalse();
+		assertThat(attributes.canLoad(annotation)).isFalse();
 	}
 
 	@Test
@@ -121,7 +121,7 @@ class AttributeMethodsTests {
 		ClassValue annotation = mock(ClassValue.class);
 		given(annotation.value()).willReturn((Class) InputStream.class);
 		AttributeMethods attributes = AttributeMethods.forAnnotationType(annotation.annotationType());
-		assertThat(attributes.isValid(annotation)).isTrue();
+		assertThat(attributes.canLoad(annotation)).isTrue();
 	}
 
 	@Test

spring-core/src/test/java/org/springframework/core/convert/TypeDescriptorTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,11 +34,13 @@ import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 
 import org.junit.jupiter.api.Test;
 
 import org.springframework.core.MethodParameter;
+import org.springframework.core.ResolvableType;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
@@ -65,7 +67,7 @@ class TypeDescriptorTests {
 		assertThat(desc.getName()).isEqualTo("int");
 		assertThat(desc.toString()).isEqualTo("int");
 		assertThat(desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isMap()).isFalse();
 	}
@@ -77,8 +79,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(String.class);
 		assertThat(desc.getName()).isEqualTo("java.lang.String");
 		assertThat(desc.toString()).isEqualTo("java.lang.String");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.isMap()).isFalse();
@@ -92,8 +94,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(List.class);
 		assertThat(desc.getName()).isEqualTo("java.util.List");
 		assertThat(desc.toString()).isEqualTo("java.util.List<java.util.List<java.util.Map<java.lang.Integer, java.lang.Enum<?>>>>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isTrue();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.getElementTypeDescriptor().getType()).isEqualTo(List.class);
@@ -113,8 +115,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(List.class);
 		assertThat(desc.getName()).isEqualTo("java.util.List");
 		assertThat(desc.toString()).isEqualTo("java.util.List<?>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isTrue();
 		assertThat(desc.isArray()).isFalse();
 		assertThat((Object) desc.getElementTypeDescriptor()).isNull();
@@ -129,8 +131,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(Integer[].class);
 		assertThat(desc.getName()).isEqualTo("java.lang.Integer[]");
 		assertThat(desc.toString()).isEqualTo("java.lang.Integer[]");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isArray()).isTrue();
 		assertThat(desc.getElementTypeDescriptor().getType()).isEqualTo(Integer.class);
@@ -146,8 +148,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(Map.class);
 		assertThat(desc.getName()).isEqualTo("java.util.Map");
 		assertThat(desc.toString()).isEqualTo("java.util.Map<java.lang.Integer, java.util.List<java.lang.String>>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.isMap()).isTrue();
@@ -162,7 +164,7 @@ class TypeDescriptorTests {
 	void parameterAnnotated() throws Exception {
 		TypeDescriptor t1 = new TypeDescriptor(new MethodParameter(getClass().getMethod("testAnnotatedMethod", String.class), 0));
 		assertThat(t1.getType()).isEqualTo(String.class);
-		assertThat(t1.getAnnotations().length).isEqualTo(1);
+		assertThat(t1.getAnnotations()).hasSize(1);
 		assertThat(t1.getAnnotation(ParameterAnnotation.class)).isNotNull();
 		assertThat(t1.hasAnnotation(ParameterAnnotation.class)).isTrue();
 		assertThat(t1.getAnnotation(ParameterAnnotation.class).value()).isEqualTo(123);
@@ -335,7 +337,7 @@ class TypeDescriptorTests {
 	@Test
 	void fieldAnnotated() throws Exception {
 		TypeDescriptor typeDescriptor = new TypeDescriptor(getClass().getField("fieldAnnotated"));
-		assertThat(typeDescriptor.getAnnotations().length).isEqualTo(1);
+		assertThat(typeDescriptor.getAnnotations()).hasSize(1);
 		assertThat(typeDescriptor.getAnnotation(FieldAnnotation.class)).isNotNull();
 	}
 
@@ -462,8 +464,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(List.class);
 		assertThat(desc.getName()).isEqualTo("java.util.List");
 		assertThat(desc.toString()).isEqualTo("java.util.List<java.lang.Integer>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isTrue();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.getElementTypeDescriptor().getType()).isEqualTo(Integer.class);
@@ -478,8 +480,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(List.class);
 		assertThat(desc.getName()).isEqualTo("java.util.List");
 		assertThat(desc.toString()).isEqualTo("java.util.List<java.util.List<java.lang.Integer>>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isTrue();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.getElementTypeDescriptor().getType()).isEqualTo(List.class);
@@ -494,8 +496,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(Map.class);
 		assertThat(desc.getName()).isEqualTo("java.util.Map");
 		assertThat(desc.toString()).isEqualTo("java.util.Map<java.lang.String, java.lang.Integer>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.isMap()).isTrue();
@@ -511,8 +513,8 @@ class TypeDescriptorTests {
 		assertThat(desc.getObjectType()).isEqualTo(Map.class);
 		assertThat(desc.getName()).isEqualTo("java.util.Map");
 		assertThat(desc.toString()).isEqualTo("java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.lang.Integer>>");
-		assertThat(!desc.isPrimitive()).isTrue();
-		assertThat(desc.getAnnotations().length).isEqualTo(0);
+		assertThat(desc.isPrimitive()).isFalse();
+		assertThat(desc.getAnnotations()).isEmpty();
 		assertThat(desc.isCollection()).isFalse();
 		assertThat(desc.isArray()).isFalse();
 		assertThat(desc.isMap()).isTrue();
@@ -524,7 +526,7 @@ class TypeDescriptorTests {
 	@Test
 	void narrow() {
 		TypeDescriptor desc = TypeDescriptor.valueOf(Number.class);
-		Integer value = Integer.valueOf(3);
+		Integer value = 3;
 		desc = desc.narrow(value);
 		assertThat(desc.getType()).isEqualTo(Integer.class);
 	}
@@ -532,7 +534,7 @@ class TypeDescriptorTests {
 	@Test
 	void elementType() {
 		TypeDescriptor desc = TypeDescriptor.valueOf(List.class);
-		Integer value = Integer.valueOf(3);
+		Integer value = 3;
 		desc = desc.elementTypeDescriptor(value);
 		assertThat(desc.getType()).isEqualTo(Integer.class);
 	}
@@ -550,7 +552,7 @@ class TypeDescriptorTests {
 	@Test
 	void mapKeyType() {
 		TypeDescriptor desc = TypeDescriptor.valueOf(Map.class);
-		Integer value = Integer.valueOf(3);
+		Integer value = 3;
 		desc = desc.getMapKeyTypeDescriptor(value);
 		assertThat(desc.getType()).isEqualTo(Integer.class);
 	}
@@ -568,7 +570,7 @@ class TypeDescriptorTests {
 	@Test
 	void mapValueType() {
 		TypeDescriptor desc = TypeDescriptor.valueOf(Map.class);
-		Integer value = Integer.valueOf(3);
+		Integer value = 3;
 		desc = desc.getMapValueTypeDescriptor(value);
 		assertThat(desc.getType()).isEqualTo(Integer.class);
 	}
@@ -663,12 +665,12 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void upCast() throws Exception {
+	void upcast() throws Exception {
 		Property property = new Property(getClass(), getClass().getMethod("getProperty"),
 				getClass().getMethod("setProperty", Map.class));
 		TypeDescriptor typeDescriptor = new TypeDescriptor(property);
-		TypeDescriptor upCast = typeDescriptor.upcast(Object.class);
-		assertThat(upCast.getAnnotation(MethodAnnotation1.class) != null).isTrue();
+		TypeDescriptor upcast = typeDescriptor.upcast(Object.class);
+		assertThat(upcast.getAnnotation(MethodAnnotation1.class)).isNotNull();
 	}
 
 	@Test
@@ -682,7 +684,7 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void elementTypeForCollectionSubclass() throws Exception {
+	void elementTypeForCollectionSubclass() {
 		@SuppressWarnings("serial")
 		class CustomSet extends HashSet<String> {
 		}
@@ -692,7 +694,7 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void elementTypeForMapSubclass() throws Exception {
+	void elementTypeForMapSubclass() {
 		@SuppressWarnings("serial")
 		class CustomMap extends HashMap<String, Integer> {
 		}
@@ -704,7 +706,7 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void createMapArray() throws Exception {
+	void createMapArray() {
 		TypeDescriptor mapType = TypeDescriptor.map(
 				LinkedHashMap.class, TypeDescriptor.valueOf(String.class), TypeDescriptor.valueOf(Integer.class));
 		TypeDescriptor arrayType = TypeDescriptor.array(mapType);
@@ -713,13 +715,13 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void createStringArray() throws Exception {
+	void createStringArray() {
 		TypeDescriptor arrayType = TypeDescriptor.array(TypeDescriptor.valueOf(String.class));
 		assertThat(TypeDescriptor.valueOf(String[].class)).isEqualTo(arrayType);
 	}
 
 	@Test
-	void createNullArray() throws Exception {
+	void createNullArray() {
 		assertThat((Object) TypeDescriptor.array(null)).isNull();
 	}
 
@@ -736,13 +738,13 @@ class TypeDescriptorTests {
 	}
 
 	@Test
-	void createCollectionWithNullElement() throws Exception {
+	void createCollectionWithNullElement() {
 		TypeDescriptor typeDescriptor = TypeDescriptor.collection(List.class, null);
 		assertThat(typeDescriptor.getElementTypeDescriptor()).isNull();
 	}
 
 	@Test
-	void createMapWithNullElements() throws Exception {
+	void createMapWithNullElements() {
 		TypeDescriptor typeDescriptor = TypeDescriptor.map(LinkedHashMap.class, null, null);
 		assertThat(typeDescriptor.getMapKeyTypeDescriptor()).isNull();
 		assertThat(typeDescriptor.getMapValueTypeDescriptor()).isNull();
@@ -757,6 +759,17 @@ class TypeDescriptorTests {
 		assertThat(TypeDescriptor.valueOf(Integer.class).getSource()).isEqualTo(Integer.class);
 	}
 
+	@Test  // gh-31672
+	void equalityWithGenerics() {
+		ResolvableType rt1 = ResolvableType.forClassWithGenerics(Optional.class, Integer.class);
+		ResolvableType rt2 = ResolvableType.forClassWithGenerics(Optional.class, String.class);
+
+		TypeDescriptor td1 = new TypeDescriptor(rt1, null, null);
+		TypeDescriptor td2 = new TypeDescriptor(rt2, null, null);
+
+		assertThat(td1).isNotEqualTo(td2);
+	}
+
 
 	// Methods designed for test introspection
 

spring-core/src/test/java/org/springframework/core/io/support/PathMatchingResourcePatternResolverTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,14 +48,14 @@ import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  */
 class PathMatchingResourcePatternResolverTests {
 
-	private static final String[] CLASSES_IN_CORE_IO_SUPPORT = { "EncodedResource.class",
+	private static final String[] CLASSES_IN_CORE_IO_SUPPORT = {"EncodedResource.class",
 			"LocalizedResourceHelper.class", "PathMatchingResourcePatternResolver.class", "PropertiesLoaderSupport.class",
 			"PropertiesLoaderUtils.class", "ResourceArrayPropertyEditor.class", "ResourcePatternResolver.class",
-			"ResourcePatternUtils.class", "SpringFactoriesLoader.class" };
+			"ResourcePatternUtils.class", "SpringFactoriesLoader.class"};
 
-	private static final String[] TEST_CLASSES_IN_CORE_IO_SUPPORT = { "PathMatchingResourcePatternResolverTests.class" };
+	private static final String[] TEST_CLASSES_IN_CORE_IO_SUPPORT = {"PathMatchingResourcePatternResolverTests.class"};
 
-	private static final String[] CLASSES_IN_REACTOR_UTIL_ANNOTATION = { "NonNull.class", "NonNullApi.class", "Nullable.class" };
+	private static final String[] CLASSES_IN_REACTOR_UTIL_ANNOTATION = {"NonNull.class", "NonNullApi.class", "Nullable.class"};
 
 
 	private final PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
@@ -166,7 +166,7 @@ class PathMatchingResourcePatternResolverTests {
 			}
 
 			@Test
-			void usingFileProtocolWithoutWildcardInPatternAndEndingInSlashStarStar()  {
+			void usingFileProtocolWithoutWildcardInPatternAndEndingInSlashStarStar() {
 				Path testResourcesDir = Paths.get("src/test/resources").toAbsolutePath();
 				String pattern = String.format("file:%s/scanned-resources/**", testResourcesDir);
 				String pathPrefix = ".+?resources/";
@@ -294,8 +294,8 @@ class PathMatchingResourcePatternResolverTests {
 	}
 
 	private String getPath(Resource resource) {
-		// Tests fail if we use resouce.getURL().getPath(). They would also fail on Mac OS when
-		// using resouce.getURI().getPath() if the resource paths are not Unicode normalized.
+		// Tests fail if we use resource.getURL().getPath(). They would also fail on macOS when
+		// using resource.getURI().getPath() if the resource paths are not Unicode normalized.
 		//
 		// On the JVM, all tests should pass when using resouce.getFile().getPath(); however,
 		// we use FileSystemResource#getPath since this test class is sometimes run within a

spring-expression/src/main/java/org/springframework/expression/spel/support/ReflectiveMethodResolver.java

@@ -117,6 +117,7 @@ public class ReflectiveMethodResolver implements MethodResolver {
 			TypeConverter typeConverter = context.getTypeConverter();
 			Class<?> type = (targetObject instanceof Class ? (Class<?>) targetObject : targetObject.getClass());
 			ArrayList<Method> methods = new ArrayList<>(getMethods(type, targetObject));
+			methods.removeIf(method -> !method.getName().equals(name));
 
 			// If a filter is registered for this type, call it
 			MethodFilter filter = (this.filters != null ? this.filters.get(type) : null);
@@ -160,48 +161,46 @@ public class ReflectiveMethodResolver implements MethodResolver {
 			boolean multipleOptions = false;
 
 			for (Method method : methodsToIterate) {
-				if (method.getName().equals(name)) {
-					int paramCount = method.getParameterCount();
-					List<TypeDescriptor> paramDescriptors = new ArrayList<>(paramCount);
-					for (int i = 0; i < paramCount; i++) {
-						paramDescriptors.add(new TypeDescriptor(new MethodParameter(method, i)));
+				int paramCount = method.getParameterCount();
+				List<TypeDescriptor> paramDescriptors = new ArrayList<>(paramCount);
+				for (int i = 0; i < paramCount; i++) {
+					paramDescriptors.add(new TypeDescriptor(new MethodParameter(method, i)));
+				}
+				ReflectionHelper.ArgumentsMatchInfo matchInfo = null;
+				if (method.isVarArgs() && argumentTypes.size() >= (paramCount - 1)) {
+					// *sigh* complicated
+					matchInfo = ReflectionHelper.compareArgumentsVarargs(paramDescriptors, argumentTypes, typeConverter);
+				}
+				else if (paramCount == argumentTypes.size()) {
+					// Name and parameter number match, check the arguments
+					matchInfo = ReflectionHelper.compareArguments(paramDescriptors, argumentTypes, typeConverter);
+				}
+				if (matchInfo != null) {
+					if (matchInfo.isExactMatch()) {
+						return new ReflectiveMethodExecutor(method, type);
 					}
-					ReflectionHelper.ArgumentsMatchInfo matchInfo = null;
-					if (method.isVarArgs() && argumentTypes.size() >= (paramCount - 1)) {
-						// *sigh* complicated
-						matchInfo = ReflectionHelper.compareArgumentsVarargs(paramDescriptors, argumentTypes, typeConverter);
-					}
-					else if (paramCount == argumentTypes.size()) {
-						// Name and parameter number match, check the arguments
-						matchInfo = ReflectionHelper.compareArguments(paramDescriptors, argumentTypes, typeConverter);
-					}
-					if (matchInfo != null) {
-						if (matchInfo.isExactMatch()) {
-							return new ReflectiveMethodExecutor(method, type);
-						}
-						else if (matchInfo.isCloseMatch()) {
-							if (this.useDistance) {
-								int matchDistance = ReflectionHelper.getTypeDifferenceWeight(paramDescriptors, argumentTypes);
-								if (closeMatch == null || matchDistance < closeMatchDistance) {
-									// This is a better match...
-									closeMatch = method;
-									closeMatchDistance = matchDistance;
-								}
-							}
-							else {
-								// Take this as a close match if there isn't one already
-								if (closeMatch == null) {
-									closeMatch = method;
-								}
+					else if (matchInfo.isCloseMatch()) {
+						if (this.useDistance) {
+							int matchDistance = ReflectionHelper.getTypeDifferenceWeight(paramDescriptors, argumentTypes);
+							if (closeMatch == null || matchDistance < closeMatchDistance) {
+								// This is a better match...
+								closeMatch = method;
+								closeMatchDistance = matchDistance;
 							}
 						}
-						else if (matchInfo.isMatchRequiringConversion()) {
-							if (matchRequiringConversion != null) {
-								multipleOptions = true;
+						else {
+							// Take this as a close match if there isn't one already
+							if (closeMatch == null) {
+								closeMatch = method;
 							}
-							matchRequiringConversion = method;
 						}
 					}
+					else if (matchInfo.isMatchRequiringConversion()) {
+						if (matchRequiringConversion != null) {
+							multipleOptions = true;
+						}
+						matchRequiringConversion = method;
+					}
 				}
 			}
 			if (closeMatch != null) {

spring-jdbc/src/main/java/org/springframework/jdbc/IncorrectResultSetColumnCountException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@ import org.springframework.dao.DataRetrievalFailureException;
 
 /**
  * Data access exception thrown when a result set did not have the correct column count,
- * for example when expecting a single column but getting 0 or more than 1 columns.
+ * for example when expecting a single column but getting 0 or more than 1 column.
  *
  * @author Juergen Hoeller
  * @since 2.0

spring-jdbc/src/main/java/org/springframework/jdbc/JdbcUpdateAffectedIncorrectNumberOfRowsException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@ import org.springframework.dao.IncorrectUpdateSemanticsDataAccessException;
 
 /**
  * Exception thrown when a JDBC update affects an unexpected number of rows.
- * Typically we expect an update to affect a single row, meaning it's an
+ * Typically, we expect an update to affect a single row, meaning it is an
  * error if it affects multiple rows.
  *
  * @author Rod Johnson

spring-jdbc/src/main/java/org/springframework/jdbc/core/InterruptibleBatchPreparedStatementSetter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,7 @@ package org.springframework.jdbc.core;
  *
  * <p>This interface allows you to signal the end of a batch rather than
  * having to determine the exact batch size upfront. Batch size is still
- * being honored but it is now the maximum size of the batch.
+ * being honored, but it is now the maximum size of the batch.
  *
  * <p>The {@link #isBatchExhausted} method is called after each call to
  * {@link #setValues} to determine whether there were some values added,

spring-jdbc/src/main/java/org/springframework/jdbc/core/JdbcTemplate.java

@@ -60,7 +60,7 @@ import org.springframework.util.LinkedCaseInsensitiveMap;
 import org.springframework.util.StringUtils;
 
 /**
- * <b>This is the central class in the JDBC core package.</b>
+ * <b>This is the central delegate in the JDBC core package.</b>
  * It simplifies the use of JDBC and helps to avoid common errors.
  * It executes core JDBC workflow, leaving application code to provide SQL
  * and extract results. This class executes SQL queries or updates, initiating
@@ -417,9 +417,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 			logger.debug("Executing SQL statement [" + sql + "]");
 		}
 
-		/**
-		 * Callback to execute the statement.
-		 */
+		// Callback to execute the statement.
 		class ExecuteStatementCallback implements StatementCallback<Object>, SqlProvider {
 			@Override
 			@Nullable

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,7 +43,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Initialize the database specific management of procedure column meta-data.
-	 * This is only called for databases that are supported. This initialization
+	 * <p>This is only called for databases that are supported. This initialization
 	 * can be turned off by specifying that column meta-data should not be used.
 	 * @param databaseMetaData used to retrieve database specific information
 	 * @param catalogName name of catalog to use (or {@code null} if none)
@@ -55,30 +55,36 @@ public interface CallMetaDataProvider {
 	void initializeWithProcedureColumnMetaData(DatabaseMetaData databaseMetaData, @Nullable String catalogName,
 			@Nullable String schemaName, @Nullable String procedureName) throws SQLException;
 
+	/**
+	 * Get the call parameter meta-data that is currently used.
+	 * @return a List of {@link CallParameterMetaData}
+	 */
+	List<CallParameterMetaData> getCallParameterMetaData();
+
 	/**
 	 * Provide any modification of the procedure name passed in to match the meta-data currently used.
-	 * This could include altering the case.
+	 * <p>This could include altering the case.
 	 */
 	@Nullable
 	String procedureNameToUse(@Nullable String procedureName);
 
 	/**
 	 * Provide any modification of the catalog name passed in to match the meta-data currently used.
-	 * This could include altering the case.
+	 * <p>This could include altering the case.
 	 */
 	@Nullable
 	String catalogNameToUse(@Nullable String catalogName);
 
 	/**
 	 * Provide any modification of the schema name passed in to match the meta-data currently used.
-	 * This could include altering the case.
+	 * <p>This could include altering the case.
 	 */
 	@Nullable
 	String schemaNameToUse(@Nullable String schemaName);
 
 	/**
 	 * Provide any modification of the catalog name passed in to match the meta-data currently used.
-	 * The returned value will be used for meta-data lookups. This could include altering the case
+	 * <p>The returned value will be used for meta-data lookups. This could include altering the case
 	 * used or providing a base catalog if none is provided.
 	 */
 	@Nullable
@@ -86,7 +92,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Provide any modification of the schema name passed in to match the meta-data currently used.
-	 * The returned value will be used for meta-data lookups. This could include altering the case
+	 * <p>The returned value will be used for meta-data lookups. This could include altering the case
 	 * used or providing a base schema if none is provided.
 	 */
 	@Nullable
@@ -94,7 +100,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Provide any modification of the column name passed in to match the meta-data currently used.
-	 * This could include altering the case.
+	 * <p>This could include altering the case.
 	 * @param parameterName name of the parameter of column
 	 */
 	@Nullable
@@ -102,7 +108,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Create a default out parameter based on the provided meta-data.
-	 * This is used when no explicit parameter declaration has been made.
+	 * <p>This is used when no explicit parameter declaration has been made.
 	 * @param parameterName the name of the parameter
 	 * @param meta meta-data used for this call
 	 * @return the configured SqlOutParameter
@@ -111,7 +117,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Create a default in/out parameter based on the provided meta-data.
-	 * This is used when no explicit parameter declaration has been made.
+	 * <p>This is used when no explicit parameter declaration has been made.
 	 * @param parameterName the name of the parameter
 	 * @param meta meta-data used for this call
 	 * @return the configured SqlInOutParameter
@@ -120,7 +126,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Create a default in parameter based on the provided meta-data.
-	 * This is used when no explicit parameter declaration has been made.
+	 * <p>This is used when no explicit parameter declaration has been made.
 	 * @param parameterName the name of the parameter
 	 * @param meta meta-data used for this call
 	 * @return the configured SqlParameter
@@ -142,7 +148,7 @@ public interface CallMetaDataProvider {
 
 	/**
 	 * Does this database support returning ResultSets as ref cursors to be retrieved with
-	 * {@link java.sql.CallableStatement#getObject(int)} for the specified column.
+	 * {@link java.sql.CallableStatement#getObject(int)} for the specified column?
 	 */
 	boolean isRefCursorSupported();
 
@@ -158,18 +164,12 @@ public interface CallMetaDataProvider {
 	boolean isProcedureColumnMetaDataUsed();
 
 	/**
-	 * Should we bypass the return parameter with the specified name.
-	 * This allows the database specific implementation to skip the processing
+	 * Should we bypass the return parameter with the specified name?
+	 * <p>This allows the database specific implementation to skip the processing
 	 * for specific results returned by the database call.
 	 */
 	boolean byPassReturnParameter(String parameterName);
 
-	/**
-	 * Get the call parameter meta-data that is currently used.
-	 * @return a List of {@link CallParameterMetaData}
-	 */
-	List<CallParameterMetaData> getCallParameterMetaData();
-
 	/**
 	 * Does the database support the use of catalog name in procedure calls?
 	 */

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java

@@ -168,11 +168,6 @@ public class GenericCallMetaDataProvider implements CallMetaDataProvider {
 		return identifierNameToUse(parameterName);
 	}
 
-	@Override
-	public boolean byPassReturnParameter(String parameterName) {
-		return false;
-	}
-
 	@Override
 	public SqlParameter createDefaultOutParameter(String parameterName, CallParameterMetaData meta) {
 		return new SqlOutParameter(parameterName, meta.getSqlType());
@@ -213,6 +208,11 @@ public class GenericCallMetaDataProvider implements CallMetaDataProvider {
 		return this.procedureColumnMetaDataUsed;
 	}
 
+	@Override
+	public boolean byPassReturnParameter(String parameterName) {
+		return false;
+	}
+
 
 	/**
 	 * Specify whether the database supports the use of catalog name in procedure calls.

spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobCreatingPreparedStatementCallback.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,8 +45,8 @@ import org.springframework.util.Assert;
  *         lobCreator.setBlobAsBinaryStream(ps, 2, contentStream, contentLength);
  *         lobCreator.setClobAsString(ps, 3, description);
  *       }
- *     }
- * );</pre>
+ *     });
+ * </pre>
  *
  * @author Juergen Hoeller
  * @since 1.0.2

spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobStreamingResultSetExtractor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -41,13 +41,13 @@ import org.springframework.lang.Nullable;
  * final LobHandler lobHandler = new DefaultLobHandler();  // reusable object
  *
  * jdbcTemplate.query(
- *		 "SELECT content FROM imagedb WHERE image_name=?", new Object[] {name},
- *		 new AbstractLobStreamingResultSetExtractor() {
- *			 public void streamData(ResultSet rs) throws SQLException, IOException {
- *				 FileCopyUtils.copy(lobHandler.getBlobAsBinaryStream(rs, 1), contentStream);
- *             }
- *         }
- * );</pre>
+ *	   "SELECT content FROM imagedb WHERE image_name=?", new Object[] {name},
+ *	   new AbstractLobStreamingResultSetExtractor() {
+ *	     public void streamData(ResultSet rs) throws SQLException, IOException {
+ *         FileCopyUtils.copy(lobHandler.getBlobAsBinaryStream(rs, 1), contentStream);
+ *       }
+ *     });
+ * </pre>
  *
  * @author Juergen Hoeller
  * @since 1.0.2

spring-jdbc/src/main/java/org/springframework/jdbc/core/support/SqlLobValue.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -209,7 +209,7 @@ public class SqlLobValue implements DisposableSqlTypeValue {
 	}
 
 	/**
-	 * Close the LobCreator, if any.
+	 * Close the LobCreator.
 	 */
 	@Override
 	public void cleanup() {

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/AbstractDataSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,10 +75,10 @@ public abstract class AbstractDataSource implements DataSource {
 		throw new UnsupportedOperationException("setLogWriter");
 	}
 
-
-	//---------------------------------------------------------------------
-	// Implementation of JDBC 4.0's Wrapper interface
-	//---------------------------------------------------------------------
+	@Override
+	public Logger getParentLogger() {
+		return Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
+	}
 
 	@Override
 	@SuppressWarnings("unchecked")
@@ -95,14 +95,4 @@ public abstract class AbstractDataSource implements DataSource {
 		return iface.isInstance(this);
 	}
 
-
-	//---------------------------------------------------------------------
-	// Implementation of JDBC 4.1's getParentLogger method
-	//---------------------------------------------------------------------
-
-	@Override
-	public Logger getParentLogger() {
-		return Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
-	}
-
 }

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/DelegatingDataSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -104,6 +104,16 @@ public class DelegatingDataSource implements DataSource, InitializingBean {
 		return obtainTargetDataSource().getConnection(username, password);
 	}
 
+	@Override
+	public int getLoginTimeout() throws SQLException {
+		return obtainTargetDataSource().getLoginTimeout();
+	}
+
+	@Override
+	public void setLoginTimeout(int seconds) throws SQLException {
+		obtainTargetDataSource().setLoginTimeout(seconds);
+	}
+
 	@Override
 	public PrintWriter getLogWriter() throws SQLException {
 		return obtainTargetDataSource().getLogWriter();
@@ -115,20 +125,10 @@ public class DelegatingDataSource implements DataSource, InitializingBean {
 	}
 
 	@Override
-	public int getLoginTimeout() throws SQLException {
-		return obtainTargetDataSource().getLoginTimeout();
+	public Logger getParentLogger() {
+		return Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
 	}
 
-	@Override
-	public void setLoginTimeout(int seconds) throws SQLException {
-		obtainTargetDataSource().setLoginTimeout(seconds);
-	}
-
-
-	//---------------------------------------------------------------------
-	// Implementation of JDBC 4.0's Wrapper interface
-	//---------------------------------------------------------------------
-
 	@Override
 	@SuppressWarnings("unchecked")
 	public <T> T unwrap(Class<T> iface) throws SQLException {
@@ -143,14 +143,4 @@ public class DelegatingDataSource implements DataSource, InitializingBean {
 		return (iface.isInstance(this) || obtainTargetDataSource().isWrapperFor(iface));
 	}
 
-
-	//---------------------------------------------------------------------
-	// Implementation of JDBC 4.1's getParentLogger method
-	//---------------------------------------------------------------------
-
-	@Override
-	public Logger getParentLogger() {
-		return Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
-	}
-
 }

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -186,7 +186,7 @@ public class TransactionAwareDataSourceProxy extends DelegatingDataSource {
 					// Allow for differentiating between the proxy and the raw Connection.
 					StringBuilder sb = new StringBuilder("Transaction-aware proxy for target Connection ");
 					if (this.target != null) {
-						sb.append('[').append(this.target.toString()).append(']');
+						sb.append('[').append(this.target).append(']');
 					}
 					else {
 						sb.append(" from DataSource [").append(this.targetDataSource).append(']');

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/lookup/AbstractRoutingDataSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,7 +61,7 @@ public abstract class AbstractRoutingDataSource extends AbstractDataSource imple
 
 	/**
 	 * Specify the map of target DataSources, with the lookup key as key.
-	 * The mapped value can either be a corresponding {@link javax.sql.DataSource}
+	 * <p>The mapped value can either be a corresponding {@link javax.sql.DataSource}
 	 * instance or a data source name String (to be resolved via a
 	 * {@link #setDataSourceLookup DataSourceLookup}).
 	 * <p>The key can be of arbitrary type; this class implements the
@@ -213,6 +213,7 @@ public abstract class AbstractRoutingDataSource extends AbstractDataSource imple
 		return (iface.isInstance(this) || determineTargetDataSource().isWrapperFor(iface));
 	}
 
+
 	/**
 	 * Retrieve the current target DataSource. Determines the
 	 * {@link #determineCurrentLookupKey() current lookup key}, performs

spring-jdbc/src/main/java/org/springframework/jdbc/object/RdbmsOperation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -128,8 +128,8 @@ public abstract class RdbmsOperation implements InitializingBean {
 
 	/**
 	 * Set the maximum number of rows for this RDBMS operation. This is important
-	 * for processing subsets of large result sets, avoiding to read and hold
-	 * the entire result set in the database or in the JDBC driver.
+	 * for processing subsets of large result sets, in order to avoid reading and
+	 * holding the entire result set in the database or in the JDBC driver.
 	 * <p>Default is -1, indicating to use the driver's default.
 	 * @see org.springframework.jdbc.core.JdbcTemplate#setMaxRows
 	 */
@@ -175,7 +175,7 @@ public abstract class RdbmsOperation implements InitializingBean {
 	public void setUpdatableResults(boolean updatableResults) {
 		if (isCompiled()) {
 			throw new InvalidDataAccessApiUsageException(
-					"The updateableResults flag must be set before the operation is compiled");
+					"The updatableResults flag must be set before the operation is compiled");
 		}
 		this.updatableResults = updatableResults;
 	}

spring-jdbc/src/main/java/org/springframework/jdbc/object/StoredProcedure.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ import org.springframework.jdbc.core.SqlParameter;
 
 /**
  * Superclass for object abstractions of RDBMS stored procedures.
- * This class is abstract and it is intended that subclasses will provide a typed
+ * This class is abstract, and it is intended that subclasses will provide a typed
  * method for invocation that delegates to the supplied {@link #execute} method.
  *
  * <p>The inherited {@link #setSql sql} property is the name of the stored procedure

spring-jdbc/src/main/java/org/springframework/jdbc/support/CustomSQLExceptionTranslatorRegistry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,9 +25,9 @@ import org.apache.commons.logging.LogFactory;
 import org.springframework.lang.Nullable;
 
 /**
- * Registry for custom {@link org.springframework.jdbc.support.SQLExceptionTranslator} instances associated with
- * specific databases allowing for overriding translation based on values contained in the configuration file
- * named "sql-error-codes.xml".
+ * Registry for custom {@link SQLExceptionTranslator} instances associated with
+ * specific databases allowing for overriding translation based on values
+ * contained in the configuration file named "sql-error-codes.xml".
  *
  * @author Thomas Risberg
  * @since 3.1.1
@@ -38,7 +38,7 @@ public final class CustomSQLExceptionTranslatorRegistry {
 	private static final Log logger = LogFactory.getLog(CustomSQLExceptionTranslatorRegistry.class);
 
 	/**
-	 * Keep track of a single instance so we can return it to classes that request it.
+	 * Keep track of a single instance, so we can return it to classes that request it.
 	 */
 	private static final CustomSQLExceptionTranslatorRegistry instance = new CustomSQLExceptionTranslatorRegistry();
 

spring-jdbc/src/main/java/org/springframework/jdbc/support/JdbcUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -218,7 +218,7 @@ public abstract class JdbcUtils {
 				return NumberUtils.convertNumberToTargetClass((Number) obj, Integer.class);
 			}
 			else {
-				// e.g. on Postgres: getObject returns a PGObject but we need a String
+				// e.g. on Postgres: getObject returns a PGObject, but we need a String
 				return rs.getString(index);
 			}
 		}
@@ -416,14 +416,14 @@ public abstract class JdbcUtils {
 	}
 
 	/**
-	 * Return whether the given JDBC driver supports JDBC 2.0 batch updates.
+	 * Return whether the given JDBC driver supports JDBC batch updates.
 	 * <p>Typically invoked right before execution of a given set of statements:
 	 * to decide whether the set of SQL statements should be executed through
-	 * the JDBC 2.0 batch mechanism or simply in a traditional one-by-one fashion.
+	 * the JDBC batch mechanism or simply in a traditional one-by-one fashion.
 	 * <p>Logs a warning if the "supportsBatchUpdates" methods throws an exception
 	 * and simply returns {@code false} in that case.
 	 * @param con the Connection to check
-	 * @return whether JDBC 2.0 batch updates are supported
+	 * @return whether JDBC batch updates are supported
 	 * @see java.sql.DatabaseMetaData#supportsBatchUpdates()
 	 */
 	public static boolean supportsBatchUpdates(Connection con) {
@@ -496,8 +496,8 @@ public abstract class JdbcUtils {
 	/**
 	 * Determine the column name to use. The column name is determined based on a
 	 * lookup using ResultSetMetaData.
-	 * <p>This method implementation takes into account recent clarifications
-	 * expressed in the JDBC 4.0 specification:
+	 * <p>This method's implementation takes into account clarifications expressed
+	 * in the JDBC 4.0 specification:
 	 * <p><i>columnLabel - the label for the column specified with the SQL AS clause.
 	 * If the SQL AS clause was not specified, then the label is the name of the column</i>.
 	 * @param resultSetMetaData the current meta-data to use

spring-jdbc/src/main/java/org/springframework/jdbc/support/SQLErrorCodesFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ public class SQLErrorCodesFactory {
 	private static final Log logger = LogFactory.getLog(SQLErrorCodesFactory.class);
 
 	/**
-	 * Keep track of a single instance so we can return it to classes that request it.
+	 * Keep track of a single instance, so we can return it to classes that request it.
 	 */
 	private static final SQLErrorCodesFactory instance = new SQLErrorCodesFactory();
 
@@ -101,6 +101,7 @@ public class SQLErrorCodesFactory {
 	 * @see #loadResource(String)
 	 */
 	protected SQLErrorCodesFactory() {
+
 		Map<String, SQLErrorCodes> errorCodes;
 
 		try {

spring-jdbc/src/main/java/org/springframework/jdbc/support/xml/SqlXmlValue.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,9 +20,7 @@ import org.springframework.jdbc.support.SqlValue;
 
 /**
  * Subinterface of {@link org.springframework.jdbc.support.SqlValue}
- * that supports passing in XML data to specified column and adds a
- * cleanup callback, to be invoked after the value has been set and
- * the corresponding statement has been executed.
+ * that specifically indicates passing in XML data to a specified column.
  *
  * @author Thomas Risberg
  * @since 2.5.5

spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/reactive/ChannelSendOperator.java

@@ -281,6 +281,10 @@ class ChannelSendOperator<T> extends Mono<Void> implements Scannable {
 				return;
 			}
 			synchronized (this) {
+				if (this.state == State.READY_TO_WRITE) {
+					s.request(n);
+					return;
+				}
 				if (this.writeSubscriber != null) {
 					if (this.state == State.EMITTING_CACHED_SIGNALS) {
 						this.demandBeforeReadyToWrite = n;

spring-orm/src/main/java/org/springframework/orm/jpa/LocalContainerEntityManagerFactoryBean.java

@@ -253,8 +253,9 @@ public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManage
 	 * @see javax.persistence.spi.PersistenceUnitInfo#getNonJtaDataSource()
 	 * @see #setPersistenceUnitManager
 	 */
-	public void setDataSource(DataSource dataSource) {
-		this.internalPersistenceUnitManager.setDataSourceLookup(new SingleDataSourceLookup(dataSource));
+	public void setDataSource(@Nullable DataSource dataSource) {
+		this.internalPersistenceUnitManager.setDataSourceLookup(
+				dataSource != null ? new SingleDataSourceLookup(dataSource) : null);
 		this.internalPersistenceUnitManager.setDefaultDataSource(dataSource);
 	}
 
@@ -270,8 +271,9 @@ public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManage
 	 * @see javax.persistence.spi.PersistenceUnitInfo#getJtaDataSource()
 	 * @see #setPersistenceUnitManager
 	 */
-	public void setJtaDataSource(DataSource jtaDataSource) {
-		this.internalPersistenceUnitManager.setDataSourceLookup(new SingleDataSourceLookup(jtaDataSource));
+	public void setJtaDataSource(@Nullable DataSource jtaDataSource) {
+		this.internalPersistenceUnitManager.setDataSourceLookup(
+				jtaDataSource != null ? new SingleDataSourceLookup(jtaDataSource) : null);
 		this.internalPersistenceUnitManager.setDefaultJtaDataSource(jtaDataSource);
 	}
 
@@ -416,6 +418,7 @@ public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManage
 	}
 
 	@Override
+	@Nullable
 	public DataSource getDataSource() {
 		if (this.persistenceUnitInfo != null) {
 			return (this.persistenceUnitInfo.getJtaDataSource() != null ?

spring-orm/src/main/java/org/springframework/orm/jpa/LocalEntityManagerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,28 +28,18 @@ import javax.persistence.spi.PersistenceProvider;
  * shared JPA EntityManagerFactory in a Spring application context; the
  * EntityManagerFactory can then be passed to JPA-based DAOs via
  * dependency injection. Note that switching to a JNDI lookup or to a
- * {@link LocalContainerEntityManagerFactoryBean}
- * definition is just a matter of configuration!
+ * {@link LocalContainerEntityManagerFactoryBean} definition based on the
+ * JPA container contract is just a matter of configuration!
  *
  * <p>Configuration settings are usually read from a {@code META-INF/persistence.xml}
  * config file, residing in the class path, according to the JPA standalone bootstrap
- * contract. Additionally, most JPA providers will require a special VM agent
- * (specified on JVM startup) that allows them to instrument application classes.
- * See the Java Persistence API specification and your provider documentation
- * for setup details.
- *
- * <p>This EntityManagerFactory bootstrap is appropriate for standalone applications
- * which solely use JPA for data access. If you want to set up your persistence
- * provider for an external DataSource and/or for global transactions which span
- * multiple resources, you will need to either deploy it into a full Java EE
- * application server and access the deployed EntityManagerFactory via JNDI,
- * or use Spring's {@link LocalContainerEntityManagerFactoryBean} with appropriate
- * configuration for local setup according to JPA's container contract.
+ * contract. See the Java Persistence API specification and your persistence provider
+ * documentation for setup details. Additionally, JPA properties can also be added
+ * on this FactoryBean via {@link #setJpaProperties}/{@link #setJpaPropertyMap}.
  *
  * <p><b>Note:</b> This FactoryBean has limited configuration power in terms of
- * what configuration it is able to pass to the JPA provider. If you need more
- * flexible configuration, for example passing a Spring-managed JDBC DataSource
- * to the JPA provider, consider using Spring's more powerful
+ * the configuration that it is able to pass to the JPA provider. If you need
+ * more flexible configuration options, consider using Spring's more powerful
  * {@link LocalContainerEntityManagerFactoryBean} instead.
  *
  * <p><b>NOTE: Spring's JPA support requires JPA 2.1 or higher, as of Spring 5.0.</b>

spring-orm/src/main/java/org/springframework/orm/jpa/SharedEntityManagerCreator.java

@@ -77,7 +77,7 @@ public abstract class SharedEntityManagerCreator {
 
 	private static final Set<String> transactionRequiringMethods = new HashSet<>(6);
 
-	private static final Set<String> queryTerminatingMethods = new HashSet<>(9);
+	private static final Set<String> queryTerminatingMethods = new HashSet<>(10);
 
 	static {
 		transactionRequiringMethods.add("joinTransaction");
@@ -93,6 +93,7 @@ public abstract class SharedEntityManagerCreator {
 		queryTerminatingMethods.add("getResultStream");  // javax.persistence.Query.getResultStream()
 		queryTerminatingMethods.add("getResultList");  // javax.persistence.Query.getResultList()
 		queryTerminatingMethods.add("list");  // org.hibernate.query.Query.list()
+		queryTerminatingMethods.add("scroll");  // org.hibernate.query.Query.scroll()
 		queryTerminatingMethods.add("stream");  // org.hibernate.query.Query.stream()
 		queryTerminatingMethods.add("uniqueResult");  // org.hibernate.query.Query.uniqueResult()
 		queryTerminatingMethods.add("uniqueResultOptional");  // org.hibernate.query.Query.uniqueResultOptional()

spring-r2dbc/src/main/java/org/springframework/r2dbc/connection/SingleConnectionFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -70,13 +70,15 @@ public class SingleConnectionFactory extends DelegatingConnectionFactory
 	private boolean suppressClose;
 
 	/** Override auto-commit state?. */
-	private @Nullable Boolean autoCommit;
+	@Nullable
+	private Boolean autoCommit;
 
 	/** Wrapped Connection. */
 	private final AtomicReference<Connection> target = new AtomicReference<>();
 
 	/** Proxy Connection. */
-	private @Nullable Connection connection;
+	@Nullable
+	private Connection connection;
 
 	private final Mono<? extends Connection> connectionEmitter;
 

spring-test/src/main/java/org/springframework/test/web/client/MockMvcClientHttpRequestFactory.java

@@ -35,7 +35,6 @@ import org.springframework.util.Assert;
 
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.request;
 
-
 /**
  * A {@link ClientHttpRequestFactory} for requests executed via {@link MockMvc}.
  *

spring-test/src/main/java/org/springframework/test/web/servlet/MvcResult.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,13 +34,13 @@ public interface MvcResult {
 
 	/**
 	 * Return the performed request.
-	 * @return the request, never {@code null}
+	 * @return the request (never {@code null})
 	 */
 	MockHttpServletRequest getRequest();
 
 	/**
 	 * Return the resulting response.
-	 * @return the response, never {@code null}
+	 * @return the response (never {@code null})
 	 */
 	MockHttpServletResponse getResponse();
 

spring-tx/src/main/java/org/springframework/dao/IncorrectUpdateSemanticsDataAccessException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,10 +44,11 @@ public class IncorrectUpdateSemanticsDataAccessException extends InvalidDataAcce
 		super(msg, cause);
 	}
 
+
 	/**
 	 * Return whether data was updated.
-	 * If this method returns false, there's nothing to roll back.
-	 * <p>The default implementation always returns true.
+	 * If this method returns {@code false}, there is nothing to roll back.
+	 * <p>The default implementation always returns {@code true}.
 	 * This can be overridden in subclasses.
 	 */
 	public boolean wasDataUpdated() {

spring-tx/src/main/java/org/springframework/transaction/interceptor/TransactionAspectSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -355,8 +355,8 @@ public abstract class TransactionAspectSupport implements BeanFactoryAware, Init
 						(isSuspendingFunction ? (hasSuspendingFlowReturnType ? Flux.class : Mono.class) : method.getReturnType());
 				ReactiveAdapter adapter = this.reactiveAdapterRegistry.getAdapter(reactiveType);
 				if (adapter == null) {
-					throw new IllegalStateException("Cannot apply reactive transaction to non-reactive return type: " +
-							method.getReturnType());
+					throw new IllegalStateException("Cannot apply reactive transaction to non-reactive return type [" +
+							method.getReturnType() + "] with specified transaction manager: " + tm);
 				}
 				return new ReactiveTransactionSupport(adapter);
 			});

spring-tx/src/main/java/org/springframework/transaction/reactive/TransactionContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,8 @@ import org.springframework.util.function.SingletonSupplier;
  */
 public class TransactionContext {
 
-	private final @Nullable TransactionContext parent;
+	@Nullable
+	private final TransactionContext parent;
 
 	private final SingletonSupplier<UUID> contextId = SingletonSupplier.of(UUID::randomUUID);
 
@@ -48,11 +49,13 @@ public class TransactionContext {
 	@Nullable
 	private Set<TransactionSynchronization> synchronizations;
 
-	private volatile @Nullable String currentTransactionName;
+	@Nullable
+	private volatile String currentTransactionName;
 
 	private volatile boolean currentTransactionReadOnly;
 
-	private volatile @Nullable Integer currentTransactionIsolationLevel;
+	@Nullable
+	private volatile Integer currentTransactionIsolationLevel;
 
 	private volatile boolean actualTransactionActive;
 

spring-web/spring-web.gradle

@@ -66,6 +66,7 @@ dependencies {
 	testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-joda")
 	testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
 	testImplementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+	testImplementation("com.fasterxml.jackson.dataformat:jackson-dataformat-csv")
 	testImplementation("org.apache.tomcat:tomcat-util")
 	testImplementation("org.apache.tomcat.embed:tomcat-embed-core")
 	testImplementation("org.eclipse.jetty:jetty-server")

spring-web/src/main/java/org/springframework/http/client/reactive/AbstractClientHttpResponse.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.http.client.reactive;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import reactor.core.publisher.Flux;
+
+import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseCookie;
+import org.springframework.util.Assert;
+import org.springframework.util.MultiValueMap;
+
+/**
+ * Base class for {@link ClientHttpResponse} implementations.
+ *
+ * @author Arjen Poutsma
+ * @since 5.3.32
+ */
+public abstract class AbstractClientHttpResponse implements ClientHttpResponse {
+
+	private final int statusCode;
+
+	private final HttpHeaders headers;
+
+	private final MultiValueMap<String, ResponseCookie> cookies;
+
+	private final Flux<DataBuffer> body;
+
+
+
+	protected AbstractClientHttpResponse(int statusCode, HttpHeaders headers,
+			MultiValueMap<String, ResponseCookie> cookies, Flux<DataBuffer> body) {
+
+		Assert.notNull(headers, "Headers must not be null");
+		Assert.notNull(body, "Body must not be null");
+
+		this.statusCode = statusCode;
+		this.headers = headers;
+		this.cookies = cookies;
+		this.body = singleSubscription(body);
+	}
+
+	private static Flux<DataBuffer> singleSubscription(Flux<DataBuffer> body) {
+		AtomicBoolean subscribed = new AtomicBoolean();
+		return body.doOnSubscribe(s -> {
+			if (!subscribed.compareAndSet(false, true)) {
+				throw new IllegalStateException("The client response body can only be consumed once");
+			}
+		});
+	}
+
+
+	@Override
+	public HttpStatus getStatusCode() {
+		return HttpStatus.valueOf(this.statusCode);
+	}
+
+	@Override
+	public int getRawStatusCode() {
+		return this.statusCode;
+	}
+
+	@Override
+	public HttpHeaders getHeaders() {
+		return this.headers;
+	}
+
+	@Override
+	public MultiValueMap<String, ResponseCookie> getCookies() {
+		return this.cookies;
+	}
+
+	@Override
+	public Flux<DataBuffer> getBody() {
+		return this.body;
+	}
+}

spring-web/src/main/java/org/springframework/http/client/reactive/HttpComponentsClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,6 @@
 package org.springframework.http.client.reactive;
 
 import java.nio.ByteBuffer;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.hc.client5.http.cookie.Cookie;
 import org.apache.hc.client5.http.protocol.HttpClientContext;
@@ -26,10 +25,8 @@ import org.apache.hc.core5.http.Message;
 import org.reactivestreams.Publisher;
 import reactor.core.publisher.Flux;
 
-import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.core.io.buffer.DataBufferFactory;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseCookie;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
@@ -42,45 +39,22 @@ import org.springframework.util.MultiValueMap;
  * @since 5.3
  * @see <a href="https://hc.apache.org/index.html">Apache HttpComponents</a>
  */
-class HttpComponentsClientHttpResponse implements ClientHttpResponse {
-
-	private final DataBufferFactory dataBufferFactory;
-
-	private final Message<HttpResponse, Publisher<ByteBuffer>> message;
-
-	private final HttpHeaders headers;
-
-	private final HttpClientContext context;
-
-	private final AtomicBoolean rejectSubscribers = new AtomicBoolean();
+class HttpComponentsClientHttpResponse extends AbstractClientHttpResponse {
 
 
 	public HttpComponentsClientHttpResponse(DataBufferFactory dataBufferFactory,
 			Message<HttpResponse, Publisher<ByteBuffer>> message, HttpClientContext context) {
 
-		this.dataBufferFactory = dataBufferFactory;
-		this.message = message;
-		this.context = context;
-
-		MultiValueMap<String, String> adapter = new HttpComponentsHeadersAdapter(message.getHead());
-		this.headers = HttpHeaders.readOnlyHttpHeaders(adapter);
+		super(message.getHead().getCode(),
+				HttpHeaders.readOnlyHttpHeaders(new HttpComponentsHeadersAdapter(message.getHead())),
+				adaptCookies(context),
+				Flux.from(message.getBody()).map(dataBufferFactory::wrap)
+		);
 	}
 
-
-	@Override
-	public HttpStatus getStatusCode() {
-		return HttpStatus.valueOf(this.message.getHead().getCode());
-	}
-
-	@Override
-	public int getRawStatusCode() {
-		return this.message.getHead().getCode();
-	}
-
-	@Override
-	public MultiValueMap<String, ResponseCookie> getCookies() {
+	private static MultiValueMap<String, ResponseCookie> adaptCookies(HttpClientContext context) {
 		LinkedMultiValueMap<String, ResponseCookie> result = new LinkedMultiValueMap<>();
-		this.context.getCookieStore().getCookies().forEach(cookie ->
+		context.getCookieStore().getCookies().forEach(cookie ->
 				result.add(cookie.getName(),
 						ResponseCookie.fromClientResponse(cookie.getName(), cookie.getValue())
 								.domain(cookie.getDomain())
@@ -93,25 +67,10 @@ class HttpComponentsClientHttpResponse implements ClientHttpResponse {
 		return result;
 	}
 
-	private long getMaxAgeSeconds(Cookie cookie) {
+	private static long getMaxAgeSeconds(Cookie cookie) {
 		String maxAgeAttribute = cookie.getAttribute(Cookie.MAX_AGE_ATTR);
 		return (maxAgeAttribute != null ? Long.parseLong(maxAgeAttribute) : -1);
 	}
 
-	@Override
-	public Flux<DataBuffer> getBody() {
-		return Flux.from(this.message.getBody())
-				.doOnSubscribe(s -> {
-					if (!this.rejectSubscribers.compareAndSet(false, true)) {
-						throw new IllegalStateException("The client response body can only be consumed once.");
-					}
-				})
-				.map(this.dataBufferFactory::wrap);
-	}
-
-	@Override
-	public HttpHeaders getHeaders() {
-		return this.headers;
-	}
 
 }

spring-web/src/main/java/org/springframework/http/client/reactive/JettyClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,12 +22,10 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.eclipse.jetty.reactive.client.ReactiveResponse;
-import org.reactivestreams.Publisher;
 import reactor.core.publisher.Flux;
 
 import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseCookie;
 import org.springframework.lang.Nullable;
 import org.springframework.util.CollectionUtils;
@@ -42,45 +40,31 @@ import org.springframework.util.MultiValueMap;
  * @see <a href="https://github.com/jetty-project/jetty-reactive-httpclient">
  *     Jetty ReactiveStreams HttpClient</a>
  */
-class JettyClientHttpResponse implements ClientHttpResponse {
+class JettyClientHttpResponse extends AbstractClientHttpResponse {
 
 	private static final Pattern SAMESITE_PATTERN = Pattern.compile("(?i).*SameSite=(Strict|Lax|None).*");
 
 
-	private final ReactiveResponse reactiveResponse;
+	public JettyClientHttpResponse(ReactiveResponse reactiveResponse, Flux<DataBuffer> content) {
 
-	private final Flux<DataBuffer> content;
-
-	private final HttpHeaders headers;
-
-
-	public JettyClientHttpResponse(ReactiveResponse reactiveResponse, Publisher<DataBuffer> content) {
-		this.reactiveResponse = reactiveResponse;
-		this.content = Flux.from(content);
+		super(reactiveResponse.getStatus(),
+				adaptHeaders(reactiveResponse),
+				adaptCookies(reactiveResponse),
+				content);
+	}
 
+	private static HttpHeaders adaptHeaders(ReactiveResponse response) {
 		MultiValueMap<String, String> headers = (Jetty10HttpFieldsHelper.jetty10Present() ?
-				Jetty10HttpFieldsHelper.getHttpHeaders(reactiveResponse.getResponse()) :
-				new JettyHeadersAdapter(reactiveResponse.getHeaders()));
-
-		this.headers = HttpHeaders.readOnlyHttpHeaders(headers);
+				Jetty10HttpFieldsHelper.getHttpHeaders(response.getResponse()) :
+				new JettyHeadersAdapter(response.getHeaders()));
+		return HttpHeaders.readOnlyHttpHeaders(headers);
 	}
 
-
-	@Override
-	public HttpStatus getStatusCode() {
-		return HttpStatus.valueOf(getRawStatusCode());
-	}
-
-	@Override
-	public int getRawStatusCode() {
-		return this.reactiveResponse.getStatus();
-	}
-
-	@Override
-	public MultiValueMap<String, ResponseCookie> getCookies() {
+	private static MultiValueMap<String, ResponseCookie> adaptCookies(ReactiveResponse response) {
 		MultiValueMap<String, ResponseCookie> result = new LinkedMultiValueMap<>();
-		List<String> cookieHeader = getHeaders().get(HttpHeaders.SET_COOKIE);
-		if (cookieHeader != null) {
+		MultiValueMap<String, String> headers = adaptHeaders(response);
+		List<String> cookieHeader = headers.get(HttpHeaders.SET_COOKIE);
+		if (!CollectionUtils.isEmpty(cookieHeader)) {
 			cookieHeader.forEach(header ->
 					HttpCookie.parse(header).forEach(cookie -> result.add(cookie.getName(),
 							ResponseCookie.fromClientResponse(cookie.getName(), cookie.getValue())
@@ -102,15 +86,4 @@ class JettyClientHttpResponse implements ClientHttpResponse {
 		return (matcher.matches() ? matcher.group(1) : null);
 	}
 
-
-	@Override
-	public Flux<DataBuffer> getBody() {
-		return this.content;
-	}
-
-	@Override
-	public HttpHeaders getHeaders() {
-		return this.headers;
-	}
-
 }

spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Encoder.java

@@ -169,8 +169,8 @@ public abstract class AbstractJackson2Encoder extends Jackson2CodecSupport imple
 									separator))
 							.doAfterTerminate(() -> {
 								try {
-									byteBuilder.release();
 									generator.close();
+									byteBuilder.release();
 								}
 								catch (IOException ex) {
 									logger.error("Could not close Encoder resources", ex);

spring-web/src/main/java/org/springframework/http/converter/ResourceHttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -112,6 +112,7 @@ public class ResourceHttpMessageConverter extends AbstractHttpMessageConverter<R
 	}
 
 	@Override
+	@Nullable
 	protected Long getContentLength(Resource resource, @Nullable MediaType contentType) throws IOException {
 		// Don't try to determine contentLength on InputStreamResource - cannot be read afterwards...
 		// Note: custom InputStreamResource subclasses could provide a pre-calculated content length!

spring-web/src/main/java/org/springframework/http/converter/StringHttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -106,10 +106,9 @@ public class StringHttpMessageConverter extends AbstractHttpMessageConverter<Str
 	@Override
 	protected void addDefaultHeaders(HttpHeaders headers, String s, @Nullable MediaType type) throws IOException {
 		if (headers.getContentType() == null ) {
-			if (type != null && type.isConcrete() &&
-					(type.isCompatibleWith(MediaType.APPLICATION_JSON) ||
+			if (type != null && type.isConcrete() && (type.isCompatibleWith(MediaType.APPLICATION_JSON) ||
 					type.isCompatibleWith(APPLICATION_PLUS_JSON))) {
-				// Prevent charset parameter for JSON..
+				// Prevent charset parameter for JSON.
 				headers.setContentType(type);
 			}
 		}

spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -519,6 +519,7 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
 	}
 
 	@Override
+	@Nullable
 	protected Long getContentLength(Object object, @Nullable MediaType contentType) throws IOException {
 		if (object instanceof MappingJacksonValue) {
 			object = ((MappingJacksonValue) object).getValue();

spring-web/src/main/java/org/springframework/http/server/ServletServerHttpAsyncRequestControl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -115,13 +115,11 @@ public class ServletServerHttpAsyncRequestControl implements ServerHttpAsyncRequ
 	// ---------------------------------------------------------------------
 
 	@Override
-	public void onComplete(AsyncEvent event) throws IOException {
-		this.asyncContext = null;
-		this.asyncCompleted.set(true);
+	public void onStartAsync(AsyncEvent event) throws IOException {
 	}
 
 	@Override
-	public void onStartAsync(AsyncEvent event) throws IOException {
+	public void onTimeout(AsyncEvent event) throws IOException {
 	}
 
 	@Override
@@ -129,7 +127,9 @@ public class ServletServerHttpAsyncRequestControl implements ServerHttpAsyncRequ
 	}
 
 	@Override
-	public void onTimeout(AsyncEvent event) throws IOException {
+	public void onComplete(AsyncEvent event) throws IOException {
+		this.asyncContext = null;
+		this.asyncCompleted.set(true);
 	}
 
 }

spring-web/src/main/java/org/springframework/http/server/reactive/ChannelSendOperator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ import org.springframework.util.Assert;
  * to defer the invocation of the write function, until we know if the source
  * publisher will begin publishing without an error. If the first emission is
  * an error, the write function is bypassed, and the error is sent directly
- * through the result publisher. Otherwise the write function is invoked.
+ * through the result publisher. Otherwise, the write function is invoked.
  *
  * @author Rossen Stoyanchev
  * @author Stephane Maldini
@@ -273,6 +273,10 @@ public class ChannelSendOperator<T> extends Mono<Void> implements Scannable {
 				return;
 			}
 			synchronized (this) {
+				if (this.state == State.READY_TO_WRITE) {
+					s.request(n);
+					return;
+				}
 				if (this.writeSubscriber != null) {
 					if (this.state == State.EMITTING_CACHED_SIGNALS) {
 						this.demandBeforeReadyToWrite = n;

spring-web/src/main/java/org/springframework/http/server/reactive/ServletHttpHandlerAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -276,6 +276,11 @@ public class ServletHttpHandlerAdapter implements Servlet {
 			this.logPrefix = logPrefix;
 		}
 
+		@Override
+		public void onStartAsync(AsyncEvent event) {
+			// no-op
+		}
+
 		@Override
 		public void onTimeout(AsyncEvent event) {
 			// Should never happen since we call asyncContext.setTimeout(-1)
@@ -342,11 +347,6 @@ public class ServletHttpHandlerAdapter implements Servlet {
 				}
 			});
 		}
-
-		@Override
-		public void onStartAsync(AsyncEvent event) {
-			// no-op
-		}
 	}