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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13206) Delegation token cannot be fetched and used by different versions of client
Date Thu, 26 May 2016 19:39:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhe Zhang updated HADOOP-13206:
-------------------------------
    Attachment: HADOOP-13206.01.patch

Thanks [~yzhangal] for the review! Updating patch to address the comment. Failed unit tests
are unrelated and pass locally (for v0 patch).

> 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
>
>
> 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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