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https://issues.apache.org/jira/browse/SPARK-40186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17583435#comment-17583435
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Apache Spark commented on SPARK-40186:
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User 'LuciferYang' has created a pull request for this issue:
https://github.com/apache/spark/pull/37624
> mergedShuffleCleaner should have been shutdown before db closed
> ---------------------------------------------------------------
>
> Key: SPARK-40186
> URL: https://issues.apache.org/jira/browse/SPARK-40186
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.4.0
> Reporter: Yang Jie
> Priority: Major
>
> Should ensure `RemoteBlockPushResolver#mergedShuffleCleaner` have been
> shutdown before `RemoteBlockPushResolver#db` closed, otherwise,
> `RemoteBlockPushResolver#applicationRemoved` may perform delete operations on
> a closed db.
>
> https://github.com/apache/spark/pull/37610#discussion_r951185256
>
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