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https://issues.apache.org/jira/browse/HDFS-17930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18085444#comment-18085444
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ASF GitHub Bot commented on HDFS-17930:
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kokonguyen191 opened a new pull request, #8527:
URL: https://github.com/apache/hadoop/pull/8527
### Description of PR
During ARR init, AsyncRpcProtocolPBUtil stores the async responder executor
as a static ref. Nuking `routerAsyncResponderExecutor` during shutdown will
point the static ref to a terminated executor, poisoning later test runs.
Fix: Do not shut down `routerAsyncResponderExecutor` in
`RouterRpcServer#serviceStop()`. The responder threads are daemon so they won't
block JVM during actual router shutdown.
> [ARR] Router shutdown should not shut routerAsyncResponderExecutor down
> -----------------------------------------------------------------------
>
> Key: HDFS-17930
> URL: https://issues.apache.org/jira/browse/HDFS-17930
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, rbf
> Reporter: Felix N
> Assignee: Felix N
> Priority: Major
>
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