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ASF GitHub Bot commented on FLINK-7773: --------------------------------------- Github user zentol commented on the issue: https://github.com/apache/flink/pull/4957 +1 > Test instability in > UtilsTest#testYarnFlinkResourceManagerJobManagerLostLeadership > ---------------------------------------------------------------------------------- > > Key: FLINK-7773 > URL: https://issues.apache.org/jira/browse/FLINK-7773 > Project: Flink > Issue Type: Bug > Components: Tests, YARN > Affects Versions: 1.4.0 > Reporter: Nico Kruber > Assignee: Till Rohrmann > Priority: Critical > Labels: test-stability > Fix For: 1.4.0 > > > {{UtilsTest#testYarnFlinkResourceManagerJobManagerLostLeadership}} may result > in the following exception (repeated run in IntelliJ until failure, but also > on Travis here: https://travis-ci.org/NicoK/flink/jobs/283696974 ) > {code} > org.apache.flink.yarn.UtilsTest "Until Failure" > org.mockito.exceptions.misusing.UnfinishedStubbingException: > Unfinished stubbing detected here: > -> at org.apache.flink.yarn.UtilsTest$1.<init>(UtilsTest.java:171) > E.g. thenReturn() may be missing. > Examples of correct stubbing: > when(mock.isOk()).thenReturn(true); > when(mock.isOk()).thenThrow(exception); > doThrow(exception).when(mock).someVoidMethod(); > Hints: > 1. missing thenReturn() > 2. you are trying to stub a final method, you naughty developer! > 3: you are stubbing the behaviour of another mock inside before 'thenReturn' > instruction if completed > at org.apache.flink.yarn.UtilsTest$1.<init>(UtilsTest.java:179) > at > org.apache.flink.yarn.UtilsTest.testYarnFlinkResourceManagerJobManagerLostLeadership(UtilsTest.java:95) > 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.rules.TestWatcher$1.evaluate(TestWatcher.java:55) > at org.junit.rules.RunRules.evaluate(RunRules.java:20) > 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$2.evaluate(ParentRunner.java:268) > at > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:67) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) > at > com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > {code} > The incriminating code is this: > {code} > doAnswer(new Answer() { > @Override > public Object answer(InvocationOnMock invocation) throws Throwable { > Container container = (Container) invocation.getArguments()[0]; > resourceManagerGateway.tell(new > NotifyResourceStarted(YarnFlinkResourceManager.extractResourceID(container)), > leader1Gateway); > return null; > } > }).when(nodeManagerClient).startContainer(Matchers.any(Container.class), > Matchers.any(ContainerLaunchContext.class)); > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)