[Dancer-users] request and response headers don't match

Puneet Kishor punk.kish at gmail.com
Mon Dec 27 14:35:43 CET 2010


I am using DP:REST, DS:Mutable, and prepare_serializer_for_format(). I 
am querying for a JSON response via jQuery like so

$.ajax({
     url     : ..,
     type    : "POST",
     data    : "poly=" + JSON.stringify(coords_pix),
     dataType: "json",
     error    : function() { alert("Error loading html document"); },
     success : function(data) {
           .. do stuff with data ..
     }
});

This is what I seen in Firebug

Request Headers
===============
..
Accept          application/json, text/javascript, */*; q=0.01
..
Content-Type      application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With  XMLHttpRequest

Response Headers
================
Date        Mon, 27 Dec 2010 13:23:35 GMT
Server        Apache/2.2.16 (Unix) DAV/2 mod_perl/2.0.4 Perl/v5.12.1
X-Powered-By    Perl Dancer 1.2003
Content-Type    text/xml; charset=UTF-8
..


Gak! what happened there? Why did I get back xml even though I requested 
json? (Note: It is possible that I don't understand accept and response 
headers at all, in which case, kindly educate me).

As a result, Firebug show the JSON output correctly, but complains about 
the XML output

XML Parsing Error: not well-formed Location: 
moz-nullprincipal:{5063a87c-f476-8346-8452-ab404f4c1282} Line Number 1, 
Column 1:

{"harvest_amt":"14188.62","harvest_area":"126100.00","nep":"404789.50"}
^





-- 
Puneet Kishor http://punkish.org
Carbon Model http://carbonmodel.org
Charter Member, Open Source Geospatial Foundation http://www.osgeo.org
Science Fellow http://creativecommons.org/about/people/fellows#puneetkishor
Nelson Institute, UW-Madison http://www.nelson.wisc.edu
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