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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