[GitHub] [pulsar] Jason918 commented on pull request #12779: [Java Client] Use epoch to version producer's cnx to prevent early de…

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Jason918 commented on pull request #12779:
URL: https://github.com/apache/pulsar/pull/12779#issuecomment-971306951


   > > Can you add a test to cover this case?
   > > Not sure if it's easy to do.
   > 
   > @Jason918 - as I mentioned in the PR description, I was only able to get a unit test to consistently reproduce the underlying issue by modifying the client code (scheduling a delay for one of the callbacks). I am pretty sure we have tests that verify producer (re)connection, which will verify that this code path works for the happy path. Also, I verified that this change correctly removes the race condition by testing in the k8s environment when I discovered the race. At this point, I'm not exactly sure how to add a test, but I am open to suggestions.
   
   Great. Thanks for the detailed explanation. 


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