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From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2753) potential NPE in checkRemoveLabelsFromNode of CommonNodeLabelsManager
Date Mon, 27 Oct 2014 21:47:34 GMT
zhihai xu created YARN-2753:
-------------------------------

             Summary: potential NPE in checkRemoveLabelsFromNode of CommonNodeLabelsManager
                 Key: YARN-2753
                 URL: https://issues.apache.org/jira/browse/YARN-2753
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: zhihai xu
            Assignee: zhihai xu


potential NPE(NullPointerException) in checkRemoveLabelsFromNode of CommonNodeLabelsManager.
It because when a Node is created, Node.labels can be null.
In this case, nm.labels; may be null.
So we need check originalLabels not null before use it(originalLabels.containsAll).



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