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https://issues.apache.org/jira/browse/HADOOP-13206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sangjin Lee updated HADOOP-13206:
---------------------------------
    Target Version/s: 2.6.6  (was: 2.6.5)

Moving this issue to 2.6.6. Please move back if you feel otherwise.

> Delegation token cannot be fetched and used by different versions of client
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-13206
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13206
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.3.0, 2.6.1
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HADOOP-13206.00.patch, HADOOP-13206.01.patch, 
> HADOOP-13206.02.patch
>
>
> We have observed that an HDFS delegation token fetched by a 2.3.0 client 
> cannot be used by a 2.6.1 client, and vice versa. Through some debugging I 
> found that it's a mismatch between the token's {{service}} and the 
> {{service}} of the filesystem (e.g. {{webhdfs://host.something.com:50070/}}). 
> One would be in numerical IP address and one would be in non-numerical 
> hostname format.



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