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https://issues.apache.org/jira/browse/MAPREDUCE-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13573742#comment-13573742
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Vinod Kumar Vavilapalli commented on MAPREDUCE-4987:
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But symlinks CAN be used for functional purposes i.e linking to libraries etc.
? If so we can just do the platform check in the test-case.
> TestMRJobs#testDistributedCache fails on Windows due to unexpected behavior
> of symlinks
> ---------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4987
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4987
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: distributed-cache, nodemanager
> Affects Versions: trunk-win
> Reporter: Chris Nauroth
>
> On Windows, {{TestMRJobs#testDistributedCache}} fails on an assertion while
> checking the length of a symlink. It expects to see the length of the target
> of the symlink, but Java 6 on Windows always reports that a symlink has
> length 0.
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