Eli Collins created HDFS-3639:
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             Summary: JspHelper#getUGI should always verify the token if 
security is enabled
                 Key: HDFS-3639
                 URL: https://issues.apache.org/jira/browse/HDFS-3639
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: security
    Affects Versions: 2.0.0-alpha
            Reporter: Eli Collins
            Assignee: Eli Collins
            Priority: Minor


JspHelper#getUGI on verifies the given token if the context and nn are set 
(added in HDFS-2416). We should unconditionally verifyToken the token, ie a bug 
where "name.node" is not set in the context object should not result in not 
verifying the token. In practice this shouldn't be an issue as per HDFS-3434 
the context and NN should never be null.


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