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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-733) TestNMClient fails occasionally
Date Thu, 30 May 2013 18:05:20 GMT
Zhijie Shen created YARN-733:

             Summary: TestNMClient fails occasionally
                 Key: YARN-733
                 URL: https://issues.apache.org/jira/browse/YARN-733
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Zhijie Shen
            Assignee: Zhijie Shen

The problem happens at:
        // getContainerStatus can be called after stopContainer
        try {
          ContainerStatus status = nmClient.getContainerStatus(
              container.getId(), container.getNodeId(),
          assertEquals(container.getId(), status.getContainerId());
          assertEquals(ContainerState.RUNNING, status.getState());
          assertTrue("" + i, status.getDiagnostics().contains(
              "Container killed by the ApplicationMaster."));
          assertEquals(-1000, status.getExitStatus());
        } catch (YarnRemoteException e) {
          fail("Exception is not expected");

NMClientImpl#stopContainer returns, but container hasn't been stopped immediately. ContainerManangerImpl
implements stopContainer in async style. Therefore, the container's status is in transition.
NMClientImpl#getContainerStatus immediately after stopContainer will get either the RUNNING
status or the COMPLETE one.

There will be the similar problem wrt NMClientImpl#startContainer.

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