[jira] [Created] (YARN-2757) potential NPE in checkNodeLabelExpression of SchedulerUtils for nodeLabels.

["zhihai xu (JIRA)" <ji...@apache.org>]

zhihai xu created YARN-2757:
-------------------------------

             Summary: potential NPE in checkNodeLabelExpression of SchedulerUtils for nodeLabels.
                 Key: YARN-2757
                 URL: https://issues.apache.org/jira/browse/YARN-2757
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: zhihai xu
            Assignee: zhihai xu


pontential NPE in checkNodeLabelExpression of SchedulerUtils for nodeLabels.
since we check the nodeLabels null at 
{code}
        if (!str.trim().isEmpty()
            && (nodeLabels == null || !nodeLabels.contains(str.trim()))) {
          return false;
        }
{code}
We should also check nodeLabels null at 
{code}
      if (!nodeLabels.isEmpty()) {
        return false;
      }
{code}



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