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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2109) TestRM fails some tests when some tests run with CapacityScheduler and some with FairScheduler
Date Mon, 23 Jun 2014 18:31:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14041096#comment-14041096
] 

Hadoop QA commented on YARN-2109:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12652006/YARN-2109.001.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4049//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4049//console

This message is automatically generated.

> TestRM fails some tests when some tests run with CapacityScheduler and some with FairScheduler
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-2109
>                 URL: https://issues.apache.org/jira/browse/YARN-2109
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>              Labels: test
>         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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