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https://issues.apache.org/jira/browse/HADOOP-9703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704186#comment-13704186
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Tsuyoshi OZAWA commented on HADOOP-9703:
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I think the warning generated by findbugs is unavoidable in this case, because
of the management of reference-counted static object.
Should we switch to the design by using ClientCache to avoid this warning? What
do you think?
> org.apache.hadoop.ipc.Client leaks threads on stop.
> ---------------------------------------------------
>
> Key: HADOOP-9703
> URL: https://issues.apache.org/jira/browse/HADOOP-9703
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Mark Miller
> Assignee: Tsuyoshi OZAWA
> Priority: Minor
> Attachments: HADOOP-9703.1.patch
>
>
> org.apache.hadoop.ipc.Client#stop says "Stop all threads related to this
> client." but does not shutdown the static SEND_PARAMS_EXECUTOR, so usage of
> this class always leaks threads rather than cleanly closing or shutting down.
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