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https://issues.apache.org/jira/browse/KAFKA-16063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17801156#comment-17801156
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Arpit Goyal commented on KAFKA-16063:
-------------------------------------
Thanks [~divijvaidya]. I am picking it up.
> Fix leaked ApplicationShutdownHooks in EndToEndAuthorizationTests
> -----------------------------------------------------------------
>
> Key: KAFKA-16063
> URL: https://issues.apache.org/jira/browse/KAFKA-16063
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Divij Vaidya
> Assignee: Arpit Goyal
> Priority: Major
> Attachments: Screenshot 2023-12-29 at 12.38.29.png
>
>
> All test extending `EndToEndAuthorizationTest` are leaking
> DefaultDirectoryService objects.
> This can be observed using the heap dump at
> [https://www.dropbox.com/scl/fi/4jaq8rowkmijaoj7ec1nm/GradleWorkerMain_10311_27_12_2023_13_37_08_Leak_Suspects.zip?rlkey=minkbvopb0c65m5wryqw234xb&dl=0]
> (unzip this and you will find a hprof which can be opened with your
> favourite heap analyzer)
> The stack trace looks like this:
> !Screenshot 2023-12-29 at 12.38.29.png!
>
> I suspect that the reason is because DefaultDirectoryService#startup()
> registers a shutdownhook which is somehow messed up by
> QuorumTestHarness#teardown().
> We need to investigate why this is leaking and fix it.
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