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https://issues.apache.org/jira/browse/CAMEL-17588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17504193#comment-17504193
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Björn Ohm commented on CAMEL-17588:
-----------------------------------

Hi [~davsclaus] ,

in my opinion this is not clean on the IBM-side either, but that's annother 
discussion;)

 If you say the ThreadLocals can't or shouldn't be cleaned up after use on the 
thread, then I'll of course accept that, hoping it won't have any negative 
effects.

Do you still need a sample project? Then I can try to make it available...

Regards

> Missing Clean-Up for DefaultReactiveExecutor.Worker-ThreadLocals
> ----------------------------------------------------------------
>
>                 Key: CAMEL-17588
>                 URL: https://issues.apache.org/jira/browse/CAMEL-17588
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 3.14.1
>            Reporter: Björn Ohm
>            Priority: Minor
>             Fix For: 3.11.6, 3.14.2, 3.17.0
>
>         Attachments: catalina.out
>
>
> We are running a Camel-Application on a Tomcat. While the Tomcat-Shutdown we 
> observed a bunch of Thread-Local-WARNINGS in the catalina.out like:
> {code:java}
> 02-Feb-2022 01:31:23.810 SCHWERWIEGEND [main] 
> org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks 
> The web application [provinzial-integration-intern] created a ThreadLocal 
> with key of type [java.lang.ThreadLocal.SuppliedThreadLocal] (value 
> [java.lang.ThreadLocal$SuppliedThreadLocal@4a4357f5]) and a value of type 
> [org.apache.camel.impl.engine.DefaultReactiveExecutor.Worker] (value 
> [org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker@76e66f23]) but 
> failed to remove it when the web application was stopped. Threads are going 
> to be renewed over time to try and avoid a probable memory leak.{code}
> Obviously this belongs to the ThreadLocals used in 
> {_}org.apache.camel.impl.engine.DefaultReactiveExecutor{_}.
> In the worst case, this can lead to memory problems. 
> The ThreadLocals should be cleaned up.



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