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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14015) Improve error handling in hdfsThreadDestructor in native thread local storage
Date Tue, 06 Nov 2018 00:41:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675930#comment-16675930
] 

Daniel Templeton commented on HDFS-14015:
-----------------------------------------

Attached patch 009 to address compiler warnings.

> 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
>
>
> 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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