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https://issues.apache.org/jira/browse/KAFKA-8030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16801909#comment-16801909
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Viktor Somogyi-Vass commented on KAFKA-8030:
--------------------------------------------

Update: couldn't reproduce the flakiness by simply running the tests. I really 
think that the issue here is the asynchronicity with Zookeeper so I'll make a 
PR tomorrow to eliminate this by waiting for topic metadata changes in alive 
brokers. The pattern that is used in testDescribeUnderMinIsrPartitionsMixed is 
present elsewhere and I have yet to eliminate one more trickier case.

> Flaky Test 
> TopicCommandWithAdminClientTest#testDescribeUnderMinIsrPartitionsMixed
> ---------------------------------------------------------------------------------
>
>                 Key: KAFKA-8030
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8030
>             Project: Kafka
>          Issue Type: Bug
>          Components: admin, unit tests
>    Affects Versions: 2.3.0
>            Reporter: Matthias J. Sax
>            Assignee: Viktor Somogyi-Vass
>            Priority: Critical
>              Labels: flaky-test
>             Fix For: 2.3.0
>
>
> [https://builds.apache.org/job/kafka-pr-jdk11-scala2.12/2830/testReport/junit/kafka.admin/TopicCommandWithAdminClientTest/testDescribeUnderMinIsrPartitionsMixed/]
> {quote}java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at 
> org.junit.Assert.assertTrue(Assert.java:42) at 
> org.junit.Assert.assertTrue(Assert.java:53) at 
> kafka.admin.TopicCommandWithAdminClientTest.testDescribeUnderMinIsrPartitionsMixed(TopicCommandWithAdminClientTest.scala:602){quote}
> STDERR
> {quote}Option "[replica-assignment]" can't be used with option 
> "[partitions]"{quote}



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