Brian Clozel ec5f566ba5 Fix Scheduled observation convention for lambdas ...

Prior to this commit, the `DefaultScheduledTaskObservationConvention`
would fail as it tried to add a `KeyValue` to the observation context
that is `null`. This is rejected by the observation registry and should
be prevented. This happened when registered scheduled methods were
lambdas or part of anonymous classes. Those types do not have a
canonical name and return `null` as a value there.

This commit ensures that for these cases, the default convetion uses a
`"ANONYMOUS"` value as the `"code.namespace"` keyvalue.

Fixes gh-31918

2024-01-02 15:12:26 +01:00

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ROOT

Fix Scheduled observation convention for lambdas

2024-01-02 15:12:26 +01:00