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https://issues.apache.org/jira/browse/SPARK-36842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-36842:
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Assignee: Apache Spark
> Stop task result getter properly on spark context stopping
> ----------------------------------------------------------
>
> Key: SPARK-36842
> URL: https://issues.apache.org/jira/browse/SPARK-36842
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.3.0
> Reporter: Li Xian
> Assignee: Apache Spark
> Priority: Major
>
> org.apache.spark.scheduler.TaskSchedulerImpl#stop doesn't handle exception
> properly. If one component throws exceptions on stopping, the exception is
> thrown and TaskSchedulerImpl.stop() will not be executed completely.
> For example if backend.stop() fails, then taskResultGetter.stop() won't be
> executed. The result is that after a couple of restart of the spark context,
> there will be a lot of '
> task-result-getter' threads retained.
>
> !image-2021-09-24-18-50-57-072.png!
> !image-2021-09-24-18-51-03-837.png!
>
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