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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3613) web service calls header contains 2 content types
Date Wed, 25 Apr 2012 20:26:19 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262038#comment-13262038
] 

Robert Joseph Evans commented on MAPREDUCE-3613:
------------------------------------------------

I don't really like the fix because it requires all of the jersey methods to be modified,
in exactly the same way, but that is the exact same fix as HDFS-2441 did so I guess it is
OK.

The root of the issue appears to be that HttpServer.QuotingInputFilter is trying to guess
what the content type is based off of the URI of the request, and always setting it no matter
what.  This seems to be so that we can set the charset of the response to be utf-8.  This
is coupled with Jersey also outputting the content type instead of overwriting the one that
was set previously.

Also it makes it more difficult for them to be called as regular methods.    I really would
prefer to see something with the server where we could fix some of this in HttpServer itself
so that we don't get the automatic content type for web services.  But that is likely to be
a bigger change and would be a bit more cross project.  Sadly I tried upgrading to Jersey
1.12 and it does not fix the issue.

So reluctantly I give this a +1.

                
> web service calls header contains 2 content types
> -------------------------------------------------
>
>                 Key: MAPREDUCE-3613
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3613
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Critical
>         Attachments: MAPREDUCE-3613.patch
>
>
> when doing requesting info from the web services rest API, curl seems to return content-type
of both text and json or xml:
> > Accept: application/xml
> >
> < HTTP/1.1 200 OK
> < Content-Type: text/plain; charset=utf-8
> < Content-Type: application/xml

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