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https://issues.apache.org/jira/browse/HADOOP-9357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13621153#comment-13621153
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Suresh Srinivas commented on HADOOP-9357:
-----------------------------------------
[~andrew.wang] sorry I do not have time to look through all the comments. I see
that this commit has caused test issues. Are we trying to fix those issues by
attaching more patches to this jira? My suggestion would be revert this change
and once all the discussions are done, committing a new consolidated patch?
Thoughts?
> Fallback to default authority if not specified in FileContext
> -------------------------------------------------------------
>
> Key: HADOOP-9357
> URL: https://issues.apache.org/jira/browse/HADOOP-9357
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Minor
> Fix For: 2.0.4-alpha
>
> Attachments: hadoop-9357-1.patch, hadoop-9357-2.patch,
> hadoop-9357-3.patch, hadoop-9357-testfixup.patch
>
>
> Currently, FileContext adheres rather strictly to RFC2396 when it comes to
> parsing absolute URIs (URIs with a scheme). If a user asks for a URI like
> "hdfs:///tmp", FileContext will error while FileSystem will add the authority
> of the default FS (e.g. turn it into "hdfs://defaultNN:port/tmp").
> This is technically correct, but FileSystem's behavior is nicer for users and
> okay based on 5.2.3 in the RFC, so lets do it in FileContext too:
> {noformat}
> For backwards
> compatibility, an implementation may work around such references
> by removing the scheme if it matches that of the base URI and the
> scheme is known to always use the syntax. The parser
> can then continue with the steps below for the remainder of the
> reference components. Validating parsers should mark such a
> misformed relative reference as an error.
> {noformat}
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