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https://issues.apache.org/jira/browse/MAPREDUCE-3345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145911#comment-13145911
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Hitesh Shah commented on MAPREDUCE-3345:
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Debug logs seem to be point to a container being allocated for the AM in
RMAppAttemptImpl#ScheduleTransition itself ( when transitioning from SUBMITTED
-> SCHEDULED ) which results in no allocated containers in the response when
allocate is called subsequently in AMContainerAllocatedTransition.
FifoScheduler ( unlike Capacity scheduler ) does not have a synchronized block
in Scheduler#allocate per application which have otherwise prevented the above
from happening.
> Race condition in ResourceManager causing TestContainerManagerSecurity to
> fail sometimes
> ----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3345
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3345
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, resourcemanager
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Hitesh Shah
> Fix For: 0.23.1
>
>
> See
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1247//testReport/org.apache.hadoop.yarn.server/TestContainerManagerSecurity/testUnauthorizedUser/
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