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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2336) hftp only supports remote hdfs servers
Date Thu, 15 Sep 2011 16:44:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13105483#comment-13105483

Eli Collins commented on HDFS-2336:

It's not an NN limitation it's that HDFS is baked into the implementation of HftpFileSystem.

> hftp only supports remote hdfs servers
> --------------------------------------
>                 Key: HDFS-2336
>                 URL: https://issues.apache.org/jira/browse/HDFS-2336
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions:, 0.23.0
>            Reporter: Daryn Sharp
>             Fix For: 0.23.0
> The new token renewal implementation appears to introduce invalid assumptions regarding
token kinds.
> Any token acquired over http is assumed to be hftp, so the kind is unconditionally changed
to hftp.  This precludes the acquisition of any other token types over http.  This new limitation
was added to a generic method in a public class.  It should have been encapsulated in the
hftp class, not the generic http token fetching methods.
> Furthermore, hftp will unconditionally change a hftp token's kind to hdfs.  I believe
this assumption means that hftp is now broken if the remote cluster's default filesystem is
not hdfs.

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