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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4089) Ineffective null check in YarnClusterClient#getApplicationStatus()
Date Fri, 17 Jun 2016 17:08:05 GMT
Ted Yu created FLINK-4089:
-----------------------------

             Summary: Ineffective null check in YarnClusterClient#getApplicationStatus()
                 Key: FLINK-4089
                 URL: https://issues.apache.org/jira/browse/FLINK-4089
             Project: Flink
          Issue Type: Bug
            Reporter: Ted Yu


Here is related code:
{code}
    if(pollingRunner == null) {
      LOG.warn("YarnClusterClient.getApplicationStatus() has been called on an uninitialized
cluster." +
          "The system might be in an erroneous state");
    }
    ApplicationReport lastReport = pollingRunner.getLastReport();
{code}
If pollingRunner is null, NPE would result from the getLastReport() call.



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