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Posted to jira@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2019/02/27 15:52:00 UTC

[jira] [Comment Edited] (KAFKA-8011) Flaky Test RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenCreated

    [ https://issues.apache.org/jira/browse/KAFKA-8011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16779448#comment-16779448 ] 

Matthias J. Sax edited comment on KAFKA-8011 at 2/27/19 3:51 PM:
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Did this fail on `trunk` ? Please provide link to the build and also copy the stack trace into the ticket (the build is deleted eventually).


was (Author: mjsax):
Did this fail on `trunk` ?

> Flaky Test RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenCreated
> ------------------------------------------------------------------------
>
>                 Key: KAFKA-8011
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8011
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>            Reporter: Bill Bejeck
>            Priority: Critical
>              Labels: flaky-test, newbie
>
> The RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenCreated
> and RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenDeleted  tests use an ArrayList to assert the topics assigned to the Streams application. 
> The ConsumerRebalanceListener used in the test operates on this list as does the TestUtils.waitForCondition() to verify the expected topic assignments.
> Using the same list in both places can cause a ConcurrentModficationException if the rebalance listener modifies the assignment at the same time TestUtils.waitForCondition() is using the list to verify the expected topics. 



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