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https://issues.apache.org/jira/browse/YARN-9462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16815623#comment-16815623
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Giovanni Matteo Fumarola commented on YARN-9462:
------------------------------------------------
Thanks [~Prabhu Joseph] for the patch.
I am not a fan of increasing time values to avoid tests to fail because it
hides the real problem.
Please run the test multiple times to verify your fix. e.g with a use of a bash
script, with intelliJ or with Repeat annotation.
> TestResourceTrackerService.testNodeRemovalGracefully fails sporadically
> -----------------------------------------------------------------------
>
> Key: YARN-9462
> URL: https://issues.apache.org/jira/browse/YARN-9462
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager, test
> Affects Versions: 3.2.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Minor
> Attachments:
> TestResourceTrackerService.testNodeRemovalGracefully.txt, YARN-9462-001.patch
>
>
> TestResourceTrackerService.testNodeRemovalGracefully fails sporadically
> {code}
> [ERROR]
> testNodeRemovalGracefully(org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService)
> Time elapsed: 3.385 s <<< FAILURE!
> java.lang.AssertionError: Shutdown nodes should be 0 now expected:<1> but
> was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:645)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService.testNodeRemovalUtilDecomToUntracked(TestResourceTrackerService.java:2318)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService.testNodeRemovalUtil(TestResourceTrackerService.java:2280)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService.testNodeRemovalGracefully(TestResourceTrackerService.java:2133)
> 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:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> 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)
> {code}
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