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https://issues.apache.org/jira/browse/YARN-2803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14202504#comment-14202504
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Craig Welch commented on YARN-2803:
-----------------------------------
Right, we currently don't run (can't..) any unit tests through the secure
windows codepath (which is problematic...) so disabling the tests in that case
is accomplished :-) I'm going to put up a patch in a few which will retain the
existing logic for windows secure even though we know it is not quite correct -
the patch as it is now will completely break windows secure mode, so I think
it's better for now to allow that path to function as it did before and only
change the non-secure path so that we fix this issue - I think we'll want to go
with that patch for now, and to open a follow-on to address the windows-secure
case in a better way.
> MR distributed cache not working correctly on Windows after NodeManager
> privileged account changes.
> ---------------------------------------------------------------------------------------------------
>
> Key: YARN-2803
> URL: https://issues.apache.org/jira/browse/YARN-2803
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Chris Nauroth
> Assignee: Craig Welch
> Priority: Critical
> Attachments: YARN-2803.0.patch
>
>
> This problem is visible by running {{TestMRJobs#testDistributedCache}} or
> {{TestUberAM#testDistributedCache}} on Windows. Both tests fail. Running
> git bisect, I traced it to the YARN-2198 patch to remove the need to run
> NodeManager as a privileged account. The tests started failing when that
> patch was committed.
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