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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4560) Webhdfs cannot use tokens obtained by another user
Date Wed, 06 Mar 2013 21:34:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daryn Sharp updated HDFS-4560:
------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>         Attachments: HDFS-4560.patch
>
>
> 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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