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https://issues.apache.org/jira/browse/HDFS-14015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16687004#comment-16687004
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Daniel Templeton commented on HDFS-14015:
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I don't see any evidence of a test failure, so I'm not sure what's up with the
-1. [~pranay_singh] or [~xiaochen], would one of you care to review this patch?
> Improve error handling in hdfsThreadDestructor in native thread local storage
> -----------------------------------------------------------------------------
>
> Key: HDFS-14015
> URL: https://issues.apache.org/jira/browse/HDFS-14015
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: native
> Affects Versions: 3.0.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Priority: Major
> Attachments: HDFS-14015.001.patch, HDFS-14015.002.patch,
> HDFS-14015.003.patch, HDFS-14015.004.patch, HDFS-14015.005.patch,
> HDFS-14015.006.patch, HDFS-14015.007.patch, HDFS-14015.008.patch,
> HDFS-14015.009.patch, HDFS-14015.010.patch
>
>
> In the hdfsThreadDestructor() function, we ignore the return value from the
> DetachCurrentThread() call. We are seeing cases where a native thread dies
> while holding a JVM monitor, and it doesn't release the monitor. We're
> hoping that logging this error instead of ignoring it will shed some light on
> the issue. In any case, it's good programming practice.
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