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https://issues.apache.org/jira/browse/HDFS-17503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zilong Zhu reassigned HDFS-17503:
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Assignee: Zilong Zhu
> Unreleased volume references because of OOM
> -------------------------------------------
>
> Key: HDFS-17503
> URL: https://issues.apache.org/jira/browse/HDFS-17503
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Zilong Zhu
> Assignee: Zilong Zhu
> Priority: Major
>
> When BlockSender throws an error because of OOM，the volume reference obtained
> by the thread is not released，which causes the thread trying to remove the
> volume to wait and fall into an infinite loop.
> I found HDFS-15963 catched exception and release volume reference. But it did
> not handle the case of throwing errors. I think "catch (Throwable t)" should
> be used instead of "catch (IOException ioe)".
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