[YARN-9324] TestSchedulingRequestContainerAllocation(Async) fails with junit-4.11

• Type: Test
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0, 3.2.1
• Component/s: capacity scheduler
• Hadoop Flags: Reviewed
• Assignee: Prabhu Joseph
• Reporter: Prabhu Joseph
• Created: 21/Feb/19 13:50
• Updated: 23/Oct/19 16:15
• Resolved: 28/Feb/19 01:55

Description

TestSchedulingRequestContainerAllocation(Async) fails with junit-4.11 in branch-3.2 with below exception while using array return type of @Parameters method of the Parameterized runner. This is supported from junit-4.12 and works in branch-3.3. branch-3.3 has junit-4.12 from HADOOP-14775

https://github.com/junit-team/junit4/blob/master/doc/ReleaseNotes4.12.md#parameterized-tests

[ERROR] initializationError(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestSchedulingRequestContainerAllocation)  Time elapsed: 0.008 s  <<< ERROR!
java.lang.Exception: org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestSchedulingRequestContainerAllocation.placementConstarintHandlers() must return an Iterable of arrays.
	at org.junit.runners.Parameterized.parametersMethodReturnedWrongType(Parameterized.java:343)
	at org.junit.runners.Parameterized.allParameters(Parameterized.java:296)
	at org.junit.runners.Parameterized.<init>(Parameterized.java:282)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)
	at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:362)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)