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https://issues.apache.org/jira/browse/STORM-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stig Rohde Døssing resolved STORM-1756.
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Resolution: Cannot Reproduce
Tried setting up some test classes with KafkaTestBroker fields and initializing
them without nulling them in tearDown. Could not reproduce.
> 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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