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Date: Thu, 12 Apr 2012 15:15:17 +0000 (UTC)
From: "Daryn Sharp (Commented) (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3255) HA DFS returns wrong token service
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    [ https://issues.apache.org/jira/browse/HDFS-3255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252480#comment-13252480 ] 

Daryn Sharp commented on HDFS-3255:
-----------------------------------

I found the problem while reviewing the code for host-based tokens and then confirmed it was a problem via the unit tests.  Proper handling of the service is very important.  The service is used to determine whether a token is already acquired.

I can see if I can use Jitendra's feature to enable security for a unit test if you'd like.
                
> HA DFS returns wrong token service
> ----------------------------------
>
>                 Key: HDFS-3255
>                 URL: https://issues.apache.org/jira/browse/HDFS-3255
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, hdfs client
>    Affects Versions: 2.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HDFS-3255.patch
>
>
> {{fs.getCanonicalService()}} must be equal to {{fs.getDelegationToken(renewer).getService()}}.  When HA is enabled, the DFS token's service is a logical uri, but {{dfs.getCanonicalService()}} is only returning the hostname of the logical uri.

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