[YARN-9621] FIX TestDSWithMultipleNodeManager.testDistributedShellWithPlacementConstraint on branch-3.1

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.2
• Fix Version/s: 3.1.3
• Component/s: distributed-shell, test
• Hadoop Flags: Reviewed
• Assignee: Prabhu Joseph
• Reporter: Peter Bacsko
• Created: 13/Jun/19 13:09
• Updated: 23/Oct/19 16:15
• Resolved: 17/Jun/19 09:23

Description

Testcase TestDSWithMultipleNodeManager.testDistributedShellWithPlacementConstraint seems to constantly fail on branch 3.1. I believe it was introduced by YARN-9253.

testDistributedShellWithPlacementConstraint(org.apache.hadoop.yarn.applications.distributedshell.TestDSWithMultipleNodeManager)  Time elapsed: 24.636 s  <<< FAILURE!
java.lang.AssertionError: expected:<1> but was:<2>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.junit.Assert.assertEquals(Assert.java:542)
	at org.apache.hadoop.yarn.applications.distributedshell.TestDSWithMultipleNodeManager.testDistributedShellWithPlacementConstraint(TestDSWithMultipleNodeManager.java:178)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	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)