lachisis created YARN-4378:

             Summary: FairScheduler could not support DRF policy in lead queue 
when parent queue is fair policy
                 Key: YARN-4378
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
    Affects Versions: 2.5.2
            Reporter: lachisis

If I configure fair-scheduler.xml as following, then the application submitted 
to queue root.queueA.queueA1 will keep on Accepted status. And the resource 
requirement of it's task will not be satisfied, because the queue 
root.queueA.queueA1 have zero cpu. 

  <queue name="root">
    <queue name="queueA">
      <queue name="queueA1">
  <policy create="false" name="specified" />
  <policy create="false" name="user" />
  <policy create="false" name="primaryGroup" />
  <policy name="reject" />

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