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https://issues.apache.org/jira/browse/MAPREDUCE-5481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13773240#comment-13773240
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Xuan Gong commented on MAPREDUCE-5481:
--------------------------------------
[~jlowe] Attached the AM log file, from the log, looks like the reducer has
already been scheduler and is running. But the issue is when it requests
MapCompletionEvents, it always gets zero, and stays in a loop which will cause
the timeout.
> TestUberAM timeout
> ------------------
>
> Key: MAPREDUCE-5481
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5481
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, test
> Affects Versions: 3.0.0
> Reporter: Jason Lowe
> Assignee: Xuan Gong
> Priority: Blocker
> Attachments: syslog
>
>
> TestUberAM has been timing out on trunk for some time now and surefire then
> fails the build. I'm not able to reproduce it locally, but the Jenkins
> builds have been seeing it fairly consistently. See
> https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1529/console
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