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Posted to jira@kafka.apache.org by "Arpit Goyal (Jira)" <ji...@apache.org> on 2023/12/30 07:45:00 UTC

[jira] (KAFKA-16063) Fix leaked ApplicationShutdownHooks in EndToEndAuthorizationTests

    [ https://issues.apache.org/jira/browse/KAFKA-16063 ]


    Arpit Goyal deleted comment on KAFKA-16063:
    -------------------------------------

was (Author: JIRAUSER301926):
[~divijvaidya] It seems intellij profiler is available in the ultimate edition and not the community edition.

> 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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