[YARN-4250] NPE in AppSchedulingInfo#isRequestLabelChanged

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.8.0, 2.7.4, 3.0.0-alpha1
• Component/s: resourcemanager, scheduler
• Target Version/s: 2.7.4
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Brahma Reddy Battula
• Created: 10/Oct/15 14:42
• Updated: 04/Jun/17 02:14
• Resolved: 14/Oct/15 10:46

Description

Trace

java.lang.NullPointerException
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo.isRequestLabelChanged(AppSchedulingInfo.java:420)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo.updateResourceRequests(AppSchedulingInfo.java:342)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.updateResourceRequests(SchedulerApplicationAttempt.java:300)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.allocate(FifoScheduler.java:350)
	at org.apache.hadoop.yarn.client.api.impl.TestAMRMClientOnRMRestart$MyFifoScheduler.allocate(TestAMRMClientOnRMRestart.java:544)
	at org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:507)
	at org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.allocate(AMRMClientImpl.java:277)
	at org.apache.hadoop.yarn.client.api.impl.TestAMRMClientOnRMRestart.testAMRMClientResendsRequestsOnRMRestart(TestAMRMClientOnRMRestart.java:187)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)

Issue Links

• duplicates: MAPREDUCE-6510 TestRMContainerAllocator is failing
• is broken by: YARN-4140 RM container allocation delayed incase of app submitted to Nodelabel partition
• is duplicated by: YARN-4259 NPE inTestAMRMClientOnRMRestart.testAMRMClientResendsRequestsOnRMRestart
• relates to: MAPREDUCE-6510 TestRMContainerAllocator is failing