Wangda Tan created YARN-2827:

             Summary: Fix bugs of yarn queue CLI
                 Key: YARN-2827
             Project: Hadoop YARN
          Issue Type: Bug
          Components: client
            Reporter: Wangda Tan
            Assignee: Wangda Tan
            Priority: Critical

Need fix bugs:
1) args of queue CLI is without "queue" even if you run with "yarn queue 
-status ..", the args is ["-status", "..."]. The assumption is incorrect.
2) It is possible that there's no related QueueInfo with specified queue name, 
and null will be returned from YarnClient, so NPE will raise. Added a check for 
it, and will print proper message
3) When failed to get QueueInfo, should return non-zero exit code.
4) Add tests for above.

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