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https://issues.apache.org/jira/browse/CAMEL-24005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on CAMEL-24005 started by Guillaume Nodet.
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> Fix flaky JmsTransactedDeadLetterChannel*RollbackOnExceptionIT tests
> --------------------------------------------------------------------
>
> Key: CAMEL-24005
> URL: https://issues.apache.org/jira/browse/CAMEL-24005
> Project: Camel
> Issue Type: Bug
> Reporter: Guillaume Nodet
> Assignee: Guillaume Nodet
> Priority: Major
> Labels: flaky-test
>
> The JMS transacted dead letter channel tests are flaky on CI:
> * JmsTransactedDeadLetterChannelHandlerRollbackOnExceptionIT: 41 failures + 5
> flaky out of 517 runs (8.9% failure rate) in the last 10 days
> * JmsTransactedDeadLetterChannelNotHandlerRollbackOnExceptionIT: 11 failures
> + 14 flaky in the same period
> The root cause is a race condition: the tests check the DLQ immediately after
> sending a message, without waiting for the transacted route to fully process
> the exchange and commit/rollback the transaction. Under CI load, the route
> processing may not have completed when the DLQ assertion runs.
> The fix uses NotifyBuilder to wait for the exchange to be fully done before
> checking the DLQ contents.
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