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https://issues.apache.org/jira/browse/MAPREDUCE-5833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13977255#comment-13977255
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Chris Nauroth commented on MAPREDUCE-5833:
------------------------------------------
+1 for the branch-2 patch also.
> TestRMContainerAllocator fails ocassionally
> -------------------------------------------
>
> Key: MAPREDUCE-5833
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5833
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Attachments: MAPREDUCE-5833-branch-2.patch, MAPREDUCE-5833.1.patch,
> MAPREDUCE-5833.2.patch
>
>
> testReportedAppProgress and testReportedAppProgressWithOnlyMaps have race
> conditions.
> {code}
> Stacktrace
> java.util.NoSuchElementException: null
> at java.util.Collections$EmptyIterator.next(Collections.java:2998)
> at
> org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator.testReportedAppProgress(TestRMContainerAllocator.java:535)
> {code}
> {code}
> Error Message
> Task state is not correct (timedout) expected:<RUNNING> but was:<SCHEDULED>
> Stacktrace
> junit.framework.AssertionFailedError: Task state is not correct (timedout)
> expected:<RUNNING> but was:<SCHEDULED>
> at junit.framework.Assert.fail(Assert.java:50)
> at junit.framework.Assert.failNotEquals(Assert.java:287)
> at junit.framework.Assert.assertEquals(Assert.java:67)
> at org.apache.hadoop.mapreduce.v2.app.MRApp.waitForState(MRApp.java:393)
> at
> org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator.testReportedAppProgressWithOnlyMaps(TestRMContainerAllocator.java:700)
> {code}
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