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https://issues.apache.org/jira/browse/YARN-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13702646#comment-13702646
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Omkar Vinit Joshi commented on YARN-814:
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* yeah... what I am saying is user can enable it if he wants via log4j.
* my bad... in deleteAsUser probably we should simply remove the container
message all together. Also exitCode check there can be replaced with logging
exception all the time.
* replace appId with containerId (locId) in startLocalizer.
> Difficult to diagnose a failed container launch when error due to invalid
> environment variable
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-814
> URL: https://issues.apache.org/jira/browse/YARN-814
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Hitesh Shah
> Assignee: Jian He
> Attachments: YARN-814.1.patch, YARN-814.2.patch, YARN-814.3.patch,
> YARN-814.4.patch, YARN-814.patch
>
>
> The container's launch script sets up environment variables, symlinks etc.
> If there is any failure when setting up the basic context ( before the actual
> user's process is launched ), nothing is captured by the NM. This makes it
> impossible to diagnose the reason for the failure.
> To reproduce, set an env var where the value contains characters that throw
> syntax errors in bash.
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