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Posted to hdfs-dev@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2013/03/06 22:32:13 UTC

[jira] [Created] (HDFS-4560) Webhdfs cannot use tokens obtained by another user

Daryn Sharp created HDFS-4560:
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             Summary: Webhdfs cannot use tokens obtained by another user
                 Key: HDFS-4560
                 URL: https://issues.apache.org/jira/browse/HDFS-4560
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: webhdfs
    Affects Versions: 3.0.0, 0.23.7, 2.0.4-beta
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


Webhdfs passes {{UserParam}} even when a token is being used.  The NN will construct the UGI from the token and error if the {{UserParam}} does not match the token's.  This causes problems when a token for user A is used with user B's context.  This is in contrast to hdfs which will honor the token's ugi no matter the client's current context.  The passing of a token or user params should be mutually exclusive.

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