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https://issues.apache.org/jira/browse/YARN-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated YARN-1395:
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Attachment: YARN-1395.2.patch
Thanks, Nicholas. I'm attaching patch version 2 to incorporate your
suggestion. It makes sense to me. I'll wait for Jenkins to run this, and then
I'll commit.
> 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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