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Brian Clozel
b84fefc430
When using a `RestTemplate` instance within a Spring MVC application, client exceptions may propagate in the MVC stack and can be wrongly mapped by server `ExceptionHandlers`, leading to a wrong HTTP response sent to the MVC client. The `RestTemplate` instance uses `HttpMessageConverter` to decode the remote service responses; and when those fail decoding an HTTP response, they can throw an `HttpMessageNotReadableException`. That exception then bubbles up through the `HttpMessageConverterExtractor`, `RestTemplate` and the whole MVC stack, later mapped to HTTP 400 responses, since those exceptions can also be throws by the server stack when the incoming requests can't be deserialized. This commit wraps all `IOException` and `HttpMessageNotReadableException` instances thrown by the extractor into `RestClientException`` instances. It's now easier to consistently handle client exceptions and avoid such edge cases. Issue: SPR-13592