[jira] [Resolved] (CAMEL-16857) breakOnFirstError causes thread and memory leaks in camel-kafka

["Claus Ibsen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-16857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen resolved CAMEL-16857.
---------------------------------
    Resolution: Fixed

> breakOnFirstError causes thread and memory leaks in camel-kafka
> ---------------------------------------------------------------
>
>                 Key: CAMEL-16857
>                 URL: https://issues.apache.org/jira/browse/CAMEL-16857
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-kafka
>    Affects Versions: 3.11.1
>            Reporter: Vladimir Dobos
>            Priority: Major
>             Fix For: 3.11.2, 3.12.0
>
>         Attachments: VisualVM_leak.png, VisualVM_leak_threads.png
>
>
> When breakOnfirstError is enabled in camel-kafka, there is visible thread leak (one hung heartbeat thread per kafka client restart/route retry) in underlying kafka client, accompanied by small memory leak, for extreme example - see attached VisualVM screenshots).
>  Example application used for screenshot can be found in [https://github.com/vdobos-tr/camel-kafka-on-error-leak].
>  We are relatively new to kafka so im unable to determine, if its issue with underlying kafka client, or problem with the way camel handles reconnect after error.



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