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https://issues.apache.org/jira/browse/CAMEL-16857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17409415#comment-17409415
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Claus Ibsen commented on CAMEL-16857:
-------------------------------------
We have another fix related to, and I found a missing bit when using
breakOnFirst so adding that. Can you try 3.11.2 when its released.
> 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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