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https://issues.apache.org/jira/browse/HADOOP-9894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753674#comment-13753674
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Hudson commented on HADOOP-9894:
--------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1533 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1533/])
HADOOP-9894. Race condition in Shell leads to logged error stream handling
exceptions (Arpit Agarwal) (arp:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1518420)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java
> Race condition in Shell leads to logged error stream handling exceptions
> ------------------------------------------------------------------------
>
> Key: HADOOP-9894
> URL: https://issues.apache.org/jira/browse/HADOOP-9894
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Assignee: Arpit Agarwal
> Attachments: hadoop-9894.01.patch
>
>
> Shell.runCommand starts an error stream handling thread and normally joins
> with it before closing the error stream. However if parseExecResult throws
> an exception (e.g.: like Stat.parseExecResult does for FileNotFoundException)
> then the error thread is not joined and the error stream can be closed before
> the error stream handling thread is finished. This causes the error stream
> handling thread to log an exception backtrace for a "normal" situation.
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