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Posted to common-dev@hadoop.apache.org by "Kan Zhang (JIRA)" <ji...@apache.org> on 2010/08/10 23:50:16 UTC

[jira] Created: (HADOOP-6912) Guard against NPE when calling UGI.isLoginKeytabBased()

Guard against NPE when calling UGI.isLoginKeytabBased()
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                 Key: HADOOP-6912
                 URL: https://issues.apache.org/jira/browse/HADOOP-6912
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
            Reporter: Kan Zhang
            Assignee: Kan Zhang


NPE can happen when isLoginKeytabBased() is called before a login is performed. See MAPREDUCE-1992 for an example.

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