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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3113) httpfs does not support delegation tokens
Date Mon, 02 Jul 2012 17:01:24 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13405133#comment-13405133
] 

Daryn Sharp commented on HDFS-3113:
-----------------------------------

I think the new patch addressed the few token service issues I cited.  I don't feel comfortable
though reviewing the entire patch, so I'd like someone else to help out.

bq. keep in mind this FileSystem implementation is not used by clients, clients use the WebHdfsFileSystem
implementation against HttpFS.

Would you please elaborate further on why a token renewer isn't needed?  If a job is using
web hdfs, and tries to renew the web hdfs token, doesn't that mean web hdfs needs to in turn
renew the httpfs token?  Or how do web and http fs and their tokens interact?

BTW, Tom added a really nifty {{Token#decodeIdentifier}} method that you can use.
                
> httpfs does not support delegation tokens
> -----------------------------------------
>
>                 Key: HDFS-3113
>                 URL: https://issues.apache.org/jira/browse/HDFS-3113
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 0.23.3
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>             Fix For: 0.24.0, 0.23.3
>
>         Attachments: HDFS-3113.patch, HDFS-3113.patch, HDFS-3113.patch, HDFS-3113.patch
>
>
> httpfs does not support calls to get/renew tokens nor delegation token authentication.

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