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https://issues.apache.org/jira/browse/YARN-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819379#comment-13819379
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Hudson commented on YARN-1395:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4714 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4714/])
YARN-1395. Distributed shell application master launched with debug flag can
hang waiting for external ls process. Contributed by Chris Nauroth. (cnauroth:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1540839)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDistributedShell.java
> Distributed shell application master launched with debug flag can hang
> waiting for external ls process.
> -------------------------------------------------------------------------------------------------------
>
> Key: YARN-1395
> URL: https://issues.apache.org/jira/browse/YARN-1395
> Project: Hadoop YARN
> Issue Type: Bug
> Components: applications/distributed-shell
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: YARN-1395.1.patch, YARN-1395.2.patch
>
>
> Distributed shell launched with the debug flag will run
> {{ApplicationMaster#dumpOutDebugInfo}}. This method launches an external
> process to run ls and print the contents of the current working directory.
> We've seen that this can cause the application master to hang on
> {{Process#waitFor}}.
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