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https://issues.apache.org/jira/browse/SPARK-27812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16853159#comment-16853159
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Igor Calabria commented on SPARK-27812:
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[~dongjoon] Do you mean downgrading? Because the issue was introduced when
kubernetes client was updated. I took a look at both OkHttp and fabric8's
kubernetes client code between the upgraded tags and I couldn't find anything
obvious that caused this.
Maybe the right path for spark is to actually deal with "rogue" user threads on
shutdown/exceptions instead of simply relying that they won't be created by
libs or user code.
> 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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