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https://issues.apache.org/jira/browse/YARN-3626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14542559#comment-14542559
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Craig Welch commented on YARN-3626:
-----------------------------------
Checkstyle looks unimportant, everything else OK
> On Windows localized resources are not moved to the front of the classpath
> when they should be
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-3626
> URL: https://issues.apache.org/jira/browse/YARN-3626
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Environment: Windows
> Reporter: Craig Welch
> Assignee: Craig Welch
> Attachments: YARN-3626.0.patch, YARN-3626.4.patch, YARN-3626.6.patch
>
>
> In response to the mapreduce.job.user.classpath.first setting the classpath
> is ordered differently so that localized resources will appear before system
> classpath resources when tasks execute. On Windows this does not work
> because the localized resources are not linked into their final location when
> the classpath jar is created. To compensate for that localized jar resources
> are added directly to the classpath generated for the jar rather than being
> discovered from the localized directories. Unfortunately, they are always
> appended to the classpath, and so are never preferred over system resources.
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