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Date: Thu, 23 Jun 2011 11:50:47 +0000 (UTC)
From: "Tomas Von Veschler (JIRA)" <jira@apache.org>
To: deltacloud-dev@incubator.apache.org
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Subject: [jira] [Created] (DTACLOUD-53) Wrong content type selected if
 multiple media types are supplied
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Wrong content type selected if multiple media types are supplied
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                 Key: DTACLOUD-53
                 URL: https://issues.apache.org/jira/browse/DTACLOUD-53
             Project: DeltaCloud
          Issue Type: Bug
          Components: Server
            Reporter: Tomas Von Veschler
            Assignee: David Lutterkort
            Priority: Minor


When setting the Accept header as for example: application/json, */* , seems that */* is picked up and XML content is returned instead of JSON. This doesn't follow the HTTP RFC (http://tools.ietf.org/html/rfc2616#section-14.1):

Media ranges can be overridden by more specific media ranges or
   specific media types. If more than one media range applies to a given
   type, the most specific reference has precedence. For example,

       Accept: text/*, text/html, text/html;level=1, */*

   have the following precedence:

       1) text/html;level=1
       2) text/html
       3) text/*
       4) */*

How to test it:

$ curl --url http://192.168.0.194/api/hardware_profiles --show-error --header "Accept: application/json, */*" -s -v 2>&1 | egrep '(Accept|Content-Type)'
> Accept: application/json, */*
< Content-Type: application/xml;charset=utf-8

$ curl --url http://192.168.0.194/api/hardware_profiles --show-error --header "Accept: application/json" -s -v 2>&1 | egrep '(Accept|Content-Type)'
> Accept: application/json
< Content-Type: application/json;charset=utf-8

This causes problems to all jQuery users, as it sends "Accept:application/json, text/javascript, */*"

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