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https://issues.apache.org/jira/browse/KAFKA-16586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848363#comment-17848363
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A. Sophie Blee-Goldman commented on KAFKA-16586:
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By the way – if this test is failing, it's highly likely that this is a real
bug. This test was designed to be completely deterministic (hence the seed) and
doesn't set up any actual clients or clusters or anything that might make it
flaky. [~mjsax] if you see this again can you report the failure here
(including both the seed and rackAwareStrategy parameter)?
> Test TaskAssignorConvergenceTest failing
> ----------------------------------------
>
> Key: KAFKA-16586
> URL: https://issues.apache.org/jira/browse/KAFKA-16586
> Project: Kafka
> Issue Type: Test
> Components: streams, unit tests
> Reporter: Matthias J. Sax
> Priority: Major
>
> {code:java}
> java.lang.AssertionError: Assertion failed in randomized test. Reproduce
> with: `runRandomizedScenario(-538095696758490522)`. at
> org.apache.kafka.streams.processor.internals.assignment.TaskAssignorConvergenceTest.runRandomizedScenario(TaskAssignorConvergenceTest.java:545)
> at
> org.apache.kafka.streams.processor.internals.assignment.TaskAssignorConvergenceTest.randomClusterPerturbationsShouldConverge(TaskAssignorConvergenceTest.java:479){code}
> This might expose an actual bug (or incorrect test setup) and should be
> reproducible (die not try it myself yet).
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