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https://issues.apache.org/jira/browse/SPARK-27812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885219#comment-16885219
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Edwin Biemond commented on SPARK-27812:
---------------------------------------

for SPARK-27927 indeed all is fine on spark 2.4.3 when I revert SPARK-26742 
commit -> k8s back to kubernetes-client-3.0.0.jar & kubernetes-model-2.0.0.jar

I understand we need to do patching but spark 2.4.3 is maintenance release and 
this should never happen. 

especially If we not even patch jackson-core to 2.9.9 because of security risks 

 

This has to be done in 3.0.0 and have a proper fix for this blocking threads 
plus all the time to resolve this.

> kubernetes client import non-daemon thread which block jvm exit.
> ----------------------------------------------------------------
>
>                 Key: SPARK-27812
>                 URL: https://issues.apache.org/jira/browse/SPARK-27812
>             Project: Spark
>          Issue Type: Bug
>          Components: Kubernetes
>    Affects Versions: 2.4.3
>            Reporter: Henry Yu
>            Priority: Major
>
> I try spark-submit to k8s with cluster mode. Driver pod failed to exit with 
> An Okhttp Websocket Non-Daemon Thread.
>  



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