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https://issues.apache.org/jira/browse/KAFKA-1858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ray Chiang updated KAFKA-1858:
------------------------------
Component/s: unit tests
> Make ServerShutdownTest a bit less flaky
> ----------------------------------------
>
> Key: KAFKA-1858
> URL: https://issues.apache.org/jira/browse/KAFKA-1858
> Project: Kafka
> Issue Type: Bug
> Components: unit tests
> Reporter: Gwen Shapira
> Priority: Major
> Attachments: KAFKA-1858.patch
>
>
> ServerShutdownTest currently:
> * Starts a KafkaServer
> * Does stuff
> * Stops the server
> * Counts if there are any live kafka threads
> This is fine on its own. But when running in a test suite (i.e gradle test),
> the test is very very sensitive to any other test freeing all resources. If
> you start a server in a previous test and forgot to close it, the
> ServerShutdownTest will find threads from the previous test and fail.
> This makes for a flaky test that is pretty challenging to troubleshoot.
> I suggest counting the threads at the beginning and end of each test in the
> class, and only failing if the number at the end is greater than the number
> at the beginning.
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