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Posted to yarn-dev@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2015/01/22 21:41:34 UTC

[jira] [Created] (YARN-3088) LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error

Jason Lowe created YARN-3088:
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             Summary: LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error
                 Key: YARN-3088
                 URL: https://issues.apache.org/jira/browse/YARN-3088
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.1.1-beta
            Reporter: Jason Lowe


If the native executor returns an error trying to delete a path as a particular user when dir==null then the code can NPE trying to build a log message for the error.  It blindly deferences dir in the log message despite the code just above explicitly handling the cases when dir could be null.



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