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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-9852) UGI login user keytab and principal should not be static
Date Thu, 08 Aug 2013 16:45:48 GMT
Daryn Sharp created HADOOP-9852:
-----------------------------------

             Summary: UGI login user keytab and principal should not be static
                 Key: HADOOP-9852
                 URL: https://issues.apache.org/jira/browse/HADOOP-9852
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: security
    Affects Versions: 2.0.0-alpha, 3.0.0
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


The static keytab and principal for the login user is problematic.  The login conf explicitly
references these statics.  As a result, loginUserFromKeytabAndReturnUGI is unnecessarily synch'ed
on the class to swap out the login user's keytab and principal, login, then restore the keytab/principal.
 This method's synch blocks further de-synching of other methods.


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