[ 
https://issues.apache.org/jira/browse/KAFKA-20045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lucas Brutschy reassigned KAFKA-20045:
--------------------------------------

    Assignee: Lucas Brutschy

> Flaky testDescribeStreamsGroupsNotReady
> ---------------------------------------
>
>                 Key: KAFKA-20045
>                 URL: https://issues.apache.org/jira/browse/KAFKA-20045
>             Project: Kafka
>          Issue Type: Test
>          Components: streams
>            Reporter: Lianet Magrans
>            Assignee: Lucas Brutschy
>            Priority: Major
>
> Recently failed on unrelated PR, it's been flaky lately 
> [https://develocity.apache.org/scans/tests?search.rootProjectNames=kafka&search.startTimeMax=1767729400909&search.startTimeMin=1761969600000&search.tags=trunk&search.timeZoneId=America%2FToronto&tests.container=kafka.api.PlaintextAdminIntegrationTest&tests.sortField=FLAKY&tests.test=testDescribeStreamsGroupsNotReady()]
>  
> Recent flakiness on this PR 
> [https://github.com/apache/kafka/actions/runs/20756111184/job/59599854836?pr=21253]
>  
> Fails with with error:
>  
> {code:java}
> testDescribeStreamsGroupsNotReady()org.opentest4j.AssertionFailedError: 
> Streams group did not transition to NOT_READY before timeout
>       at 
> app//org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:38)
>       at app//org.junit.jupiter.api.Assertions.fail(Assertions.java:138)
>       at 
> app//kafka.api.PlaintextAdminIntegrationTest.testDescribeStreamsGroupsNotReady(PlaintextAdminIntegrationTest.scala:4476)
>       at [email protected]/java.lang.reflect.Method.invoke(Method.java:565)
>       at [email protected]/java.util.ArrayList.forEach(ArrayList.java:1604)
>       at [email protected]/java.util.ArrayList.forEach(ArrayList.java:1604)
> CopytestDescribeStreamsGroupsNotReady()java.lang.NullPointerException: Cannot 
> invoke "org.apache.kafka.clients.admin.GroupListing.groupState()" because 
> "firstGroup" is null
>       at 
> kafka.api.PlaintextAdminIntegrationTest.$anonfun$testDescribeStreamsGroupsNotReady$1(PlaintextAdminIntegrationTest.scala:4479)
>       at 
> kafka.api.PlaintextAdminIntegrationTest.testDescribeStreamsGroupsNotReady(PlaintextAdminIntegrationTest.scala:4476)
>       at java.base/java.lang.reflect.Method.invoke(Method.java:565)
>       at java.base/java.util.ArrayList.forEach(ArrayList.java:1604)
>       at java.base/java.util.ArrayList.forEach(ArrayList.java:1604){code}
>  



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