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https://issues.apache.org/jira/browse/HDFS-1007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839844#action_12839844
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Kan Zhang commented on HDFS-1007:
---------------------------------

The delegation token should be fetched by distcp client, not by HftpFilesystem 
(or HsftpFilesystem).

> HFTP needs to be updated to use delegation tokens
> -------------------------------------------------
>
>                 Key: HDFS-1007
>                 URL: https://issues.apache.org/jira/browse/HDFS-1007
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: distcp-hftp.1.patch, distcp-hftp.2.1.patch, 
> distcp-hftp.2.patch, distcp-hftp.patch
>
>
> HFTPFileSystem should be updated to use the delegation tokens so that it can 
> talk to the secure namenodes.

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