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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5833) TestRMContainerAllocator fails ocassionally
Date Sat, 12 Apr 2014 02:43:20 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen updated MAPREDUCE-5833:
-----------------------------------

    Attachment: MAPREDUCE-5833.1.patch

Upload a patch to fix the race conditions. The basic idea is to make sure the events that
are supposed to be handled in advance get handled.

> TestRMContainerAllocator fails ocassionally
> -------------------------------------------
>
>                 Key: MAPREDUCE-5833
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5833
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: MAPREDUCE-5833.1.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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