Fix negative acknowledgement handling for ReactiveMessagePipeline when message handler throws an exception #213
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This was referenced May 19, 2025
This was referenced May 21, 2025
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Fixes #210
There was a bug in negative acknowledgement handling when the message handler function throws an exception.
An exception would cause the whole pipeline to be restarted, which is not intended.
The problem was that the message handler function wasn't wrapped with
Mono.deferwhich captures possible exceptions.This PR adds a test case, javadoc and fixes the issue.