Rescue hack was supposed to be removed. Some how it crept back in.

actionpack/lib/action_controller/base/base.rb

@@ -368,9 +368,8 @@ module ActionController #:nodoc:
     attr_reader :template
 
     def action(name, env)
-      # HACK: For global rescue to have access to the original request and response
-      request = env["action_controller.rescue.request"] ||= ActionDispatch::Request.new(env)
-      response = env["action_controller.rescue.response"] ||= ActionDispatch::Response.new
+      request  = ActionDispatch::Request.new(env)
+      response = ActionDispatch::Response.new
       self.action_name = name && name.to_s
       process(request, response).to_a
     end

actionpack/lib/action_controller/testing/process.rb

@@ -132,9 +132,6 @@ module ActionController #:nodoc:
       @request.session["flash"] = ActionController::Flash::FlashHash.new.update(flash) if flash
       build_request_uri(action, parameters)
 
-      @request.env["action_controller.rescue.request"] = @request
-      @request.env["action_controller.rescue.response"] = @response
-
       Base.class_eval { include ProcessWithTest } unless Base < ProcessWithTest
 
       env = @request.env

actionpack/test/controller/filters_test.rb

@@ -607,7 +607,6 @@ class FilterTest < Test::Unit::TestCase
   def test_dynamic_dispatch
     %w(foo bar baz).each do |action|
       request = ActionController::TestRequest.new
-      request.env["action_controller.rescue.request"] = request
       request.query_parameters[:choose] = action
       response = DynamicDispatchController.action.call(request.env).last
       assert_equal action, response.body

actionpack/test/controller/helper_test.rb

@@ -104,7 +104,6 @@ class HelperTest < Test::Unit::TestCase
 
   def call_controller(klass, action)
     request  = ActionController::TestRequest.new
-    request.env["action_controller.rescue.request"] = request
     klass.action(action).call(request.env)    
   end
 
@@ -112,7 +111,6 @@ class HelperTest < Test::Unit::TestCase
     assert_equal 'hello: Iz guuut!', 
       call_controller(Fun::GamesController, "render_hello_world").last.body
     # request  = ActionController::TestRequest.new
-    # request.env["action_controller.rescue.request"] = request
     # 
     # resp = Fun::GamesController.action(:render_hello_world).call(request.env)
     # assert_equal 'hello: Iz guuut!', resp.last.body
@@ -217,7 +215,6 @@ class IsolatedHelpersTest < Test::Unit::TestCase
 
   def call_controller(klass, action)
     request  = ActionController::TestRequest.new
-    request.env["action_controller.rescue.request"] = request
     klass.action(action).call(request.env)    
   end