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https://issues.apache.org/jira/browse/STORM-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15268574#comment-15268574
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ASF GitHub Bot commented on STORM-1756:
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Github user HeartSaVioR commented on the pull request:
https://github.com/apache/storm/pull/1387#issuecomment-216505586
Please reopen this issue if you saw intermittent test failure. What I asked
is that it's a theory or it occurred some issues.
> Storm-kafka tests leak resources due to retained references to KafkaServer
> --------------------------------------------------------------------------
>
> Key: STORM-1756
> URL: https://issues.apache.org/jira/browse/STORM-1756
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-kafka
> Reporter: Stig Rohde Døssing
> Assignee: Stig Rohde Døssing
>
> Since JUnit keeps a reference to each test class until all tests for a module
> have run, the KafkaTestBroker fields are not eligible for garbage collection
> until all tests have run. KafkaTestBroker keeps a reference to
> KafkaServerStartable/KafkaServer, which allocates resources that are also not
> eligible for collection. This very quickly causes surefire to run out of
> memory if this class is used more than a few places.
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