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https://issues.apache.org/jira/browse/YARN-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13818276#comment-13818276
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Hadoop QA commented on YARN-1395:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12613010/YARN-1395.1.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:red}-1 javac{color:red}. The patch appears to cause the build to
fail.
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2402//console
This message is automatically generated.
> 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
>
>
> 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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