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https://issues.apache.org/jira/browse/HADOOP-10164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853222#comment-13853222
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Hudson commented on HADOOP-10164:
---------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1617 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1617/])
HADOOP-10164. Allow UGI to login with a known Subject (bobby) (bobby: 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1552104)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java


> Allow UGI to login with a known Subject
> ---------------------------------------
>
>                 Key: HADOOP-10164
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10164
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>             Fix For: 3.0.0, 2.4.0, 0.23.11
>
>         Attachments: login-from-subject-branch-0.23.txt, 
> login-from-subject.txt
>
>
> For storm I would love to let Hadoop initialize based off of credentials that 
> were already populated in a Subject.  This is not currently possible because 
> logging in a user always creates a new blank Subject.  This is to allow a 
> user to be logged in based off a pre-existing subject through a new method.



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