Navis created TAJO-1469:
---------------------------

             Summary: allocateQueryMaster can leak resources if it times-out 
(3sec, hardcoded)
                 Key: TAJO-1469
                 URL: https://issues.apache.org/jira/browse/TAJO-1469
             Project: Tajo
          Issue Type: Bug
            Reporter: Navis
            Assignee: Navis


{code}
    WorkerResourceAllocationResponse response = null;
    try {
      response = callFuture.get(3, TimeUnit.SECONDS);
    } catch (Throwable t) {
      LOG.error(t, t);
      return null;
    }
{code}
If it times-out (or interrupted), allocated resources cannot be retrieved 
forever.



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