Make sure that exceptions which are thrown outside of the user code try their...

Make sure that exceptions which are thrown outside of the user code try their best to be handeled in ApplicationController#rescue_action.

This allos handling of ActionController::RoutingError which were previously always handeled by ActionController#Base


git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5516 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

 *SVN*
 
+* Make sure that exceptions which are thrown outside of the user code try their best to be handeled in ApplicationController#rescue_action [Tobias Luetke]
+
 * Rails::VERSION::STRING should always be available without having to require 'rails/version'.  #6244 [fearoffish]
 
 * Update to Prototype 1.5.0_rc2. [Sam Stephenson]

railties/lib/dispatcher.rb

@@ -42,7 +42,8 @@ def dispatch(cgi = nil, session_options = ActionController::CgiRequest::DEFAULT_
       end
     rescue Exception => exception  # errors from CGI dispatch
       failsafe_response(output, '500 Internal Server Error', exception) do
-        controller ||= const_defined?(:ApplicationController) ? ApplicationController : ActionController::Base
+        controller ||= ApplicationController rescue LoadError nil
+        controller ||= ActionController::Base
         controller.process_with_exception(request, response, exception).out(output)
       end
     ensure