[jira] [Created] (YARN-3247) TestQueueMappings failure for FairScheduler

["zhihai xu (JIRA)" <ji...@apache.org>]

zhihai xu created YARN-3247:
-------------------------------

             Summary: TestQueueMappings failure for FairScheduler
                 Key: YARN-3247
                 URL: https://issues.apache.org/jira/browse/YARN-3247
             Project: Hadoop YARN
          Issue Type: Bug
          Components: test
            Reporter: zhihai xu
            Assignee: zhihai xu
            Priority: Trivial


TestQueueMappings is only supported by CapacityScheduler.
We should configure CapacityScheduler for this test. Otherwise if the default scheduler is set to FairScheduler, the test will fail with the following message:
{code}
Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueMappings
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.392 sec <<< FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueMappings
testQueueMapping(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueMappings)  Time elapsed: 2.202 sec  <<< ERROR!
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:118)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1266)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.serviceInit(FairScheduler.java:1319)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:558)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:989)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:255)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:108)
	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:103)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueMappings.testQueueMapping(TestQueueMappings.java:143)
{code}



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