Weird "406 not acceptable" error

Posted by Horace Loeb on Stack Overflow See other posts from Stack Overflow or by Horace Loeb
Published on 2009-09-12T06:17:41Z Indexed on 2010/04/13 0:22 UTC
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When I try to hit this action via Javascript, I get a 406 Not Acceptable error:

  def show
    @annotation = Annotation.find_by_id(params[:id])

    respond_to do |format|
      format.html {
         if @annotation.blank?
           redirect_to root_path
         else
           redirect_to inline_annotation_path(@annotation)
         end
       }

       format.js {
         if params[:format] == "raw"
           render :text => @annotation.body.to_s
         else
           render :text => @annotation.body.to_html
         end
       }
    end
  end

This is from jQuery, but I'm doing the right beforeSend stuff:

  $.ajaxSetup({ 
    beforeSend: function(xhr) {
      xhr.setRequestHeader("Accept", "text/javascript");
    },
    cache: false 
  });

Here are my request headers:

Host    localhost:3000
User-Agent  Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3
Accept  text/javascript
Accept-Language en-us,en;q=0.5
Accept-Encoding gzip,deflate
Accept-Charset  ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive  300
Connection  keep-alive
X-Requested-With    XMLHttpRequest
Content-Type    application/x-www-form-urlencoded

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