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https://issues.apache.org/jira/browse/HADOOP-8040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758688#comment-13758688
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Colin Patrick McCabe commented on HADOOP-8040:
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All of the subtasks are in the branch-2 upstream now. When branch-2.2 is
created, I assume it will come off of this branch, so it will include all of
this. As it is, we have fix version set to 2.3 since there is no JIRA entry
for 2.2 (yet?).
> Add symlink support to FileSystem
> ---------------------------------
>
> Key: HADOOP-8040
> URL: https://issues.apache.org/jira/browse/HADOOP-8040
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Affects Versions: 0.23.0, 3.0.0, 2.0.3-alpha
> Reporter: Eli Collins
> Assignee: Andrew Wang
> Fix For: 3.0.0, 2.3.0
>
> Attachments: hadoop-8040-1.patch, hadoop-8040-2.patch,
> hadoop-8040-3.patch, hadoop-8040-4.patch, hadoop-8040-5.patch,
> hadoop-8040-6.patch, hadoop-8040-7.patch
>
>
> HADOOP-6421 added symbolic links to FileContext. Resolving symlinks is done
> on the client-side, and therefore requires client support. An HDFS symlink
> (created by FileContext) when accessed by FileSystem will result in an
> unhandled UnresolvedLinkException. Because not all users will migrate from
> FileSystem to FileContext in lock step, and we want users of FileSystem to be
> able to access all paths created by FileContext, we need to support symlink
> resolution in FileSystem as well, to facilitate migration to FileContext.
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