[jira] [Created] (YARN-5005) TestRMWebServices#testDumpingSchedulerLogs fails randomly

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

Bibin A Chundatt created YARN-5005:
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             Summary: TestRMWebServices#testDumpingSchedulerLogs fails randomly
                 Key: YARN-5005
                 URL: https://issues.apache.org/jira/browse/YARN-5005
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Bibin A Chundatt


{noformat}
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Appender is already dumping logs
	at org.apache.hadoop.yarn.util.AdHocLogDumper.dumpLogs(AdHocLogDumper.java:65)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebServices.dumpSchedulerLogs(RMWebServices.java:321)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServices.testDumpingSchedulerLogs(TestRMWebServices.java:674)
	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.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
{noformat}

First dumpLog is set to dump logs for 1 sec
{noformat}    
webSvc.dumpSchedulerLogs("1", mockHsr);
Thread.sleep(1000);
{noformat}    
And sleep(1000) is used wait for completion and randomly during testcase run the log dump is called again with in 1 sec.





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