Hadoop QA commented on YARN-2453:

{color:red}-1 overall{color}.  Here are the results of testing the latest 
  against trunk revision .

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

    {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 

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

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

    {color:red}-1 core tests{color}.  The patch failed these unit tests in 


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

Test results: 
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4731//console

This message is automatically generated.

> TestProportionalCapacityPreemptionPolicy is failed for FairScheduler
> --------------------------------------------------------------------
>                 Key: YARN-2453
>                 URL: https://issues.apache.org/jira/browse/YARN-2453
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-2453.000.patch
> TestProportionalCapacityPreemptionPolicy is failed for FairScheduler.
> The following is error message:
> Running 
> org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.TestProportionalCapacityPreemptionPolicy
> Tests run: 18, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.94 sec <<< 
> FAILURE! - in 
> org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.TestProportionalCapacityPreemptionPolicy
> testPolicyInitializeAfterSchedulerInitialized(org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.TestProportionalCapacityPreemptionPolicy)
>   Time elapsed: 1.61 sec  <<< FAILURE!
> java.lang.AssertionError: Failed to find SchedulingMonitor service, please 
> check what happened
>       at org.junit.Assert.fail(Assert.java:88)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.TestProportionalCapacityPreemptionPolicy.testPolicyInitializeAfterSchedulerInitialized(TestProportionalCapacityPreemptionPolicy.java:469)
> This test should only work for capacity scheduler because the following 
> source code in ResourceManager.java prove it will only work for capacity 
> scheduler.
> {code}
> if (scheduler instanceof PreemptableResourceScheduler
>           && conf.getBoolean(YarnConfiguration.RM_SCHEDULER_ENABLE_MONITORS,
>           YarnConfiguration.DEFAULT_RM_SCHEDULER_ENABLE_MONITORS)) {
> {code}
> Because CapacityScheduler is instance of PreemptableResourceScheduler and 
> FairScheduler is not  instance of PreemptableResourceScheduler.
> I will upload a patch to fix this issue.

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