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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2109) Fix TestRM to work with both schedulers
Date Tue, 24 Jun 2014 17:39:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042426#comment-14042426
] 

Hudson commented on YARN-2109:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #5766 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/5766/])
YARN-2109. Fix TestRM to work with both schedulers. (Anubhav Dhoot via kasha) (kasha: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1605142)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java


> Fix TestRM to work with both schedulers
> ---------------------------------------
>
>                 Key: YARN-2109
>                 URL: https://issues.apache.org/jira/browse/YARN-2109
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Anubhav Dhoot
>            Assignee: Karthik Kambatla
>              Labels: test
>             Fix For: 2.5.0
>
>         Attachments: YARN-2109.001.patch, YARN-2109.001.patch
>
>
> testNMTokenSentForNormalContainer requires CapacityScheduler and was fixed in [YARN-1846|https://issues.apache.org/jira/browse/YARN-1846]
to explicitly set it to be CapacityScheduler. But if the default scheduler is set to FairScheduler
then the rest of the tests that execute after this will fail with invalid cast exceptions
when getting queuemetrics. This is based on test execution order as only the tests that execute
after this test will fail. This is because the queuemetrics will be initialized by this test
to QueueMetrics and shared by the subsequent tests. 
> We can explicitly clear the metrics at the end of this test to fix this.
> For example
> java.lang.ClassCastException: org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics
cannot be cast to org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:103)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1275)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:418)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:808)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:230)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:90)
> 	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:85)
> 	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:81)
> 	at org.apache.hadoop.yarn.server.resourcemanager.TestRM.testNMToken(TestRM.java:232)



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