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https://issues.apache.org/jira/browse/MAPREDUCE-4422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414145#comment-13414145
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Alejandro Abdelnur commented on MAPREDUCE-4422:
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Ahmed, one NIT I see: The default value should be a String[], doing the
"....".split() in teh constant definition. Then when using it as default value
there is not split() call over and over.
> YARN_APPLICATION_CLASSPATH needs a documented default value in
> YarnConfiguration
> --------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4422
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4422
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 2.0.0-alpha
> Reporter: Arun C Murthy
> Assignee: Ahmed Radwan
> Fix For: 2.0.1-alpha
>
> Attachments: MAPREDUCE-4422.patch, MAPREDUCE-4422_rev2.patch,
> MAPREDUCE-4422_rev3.patch, MAPREDUCE-4422_rev3.patch
>
>
> MAPREDUCE-3505 allowed YARN_APPLICATION_CLASSPATH to be configurable.
> However, we didn't add a default value to YarnConfiguration, as-is the norm.
> Ran into it while investigating MAPREDUCE-4421.
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