rescue_action

# File actionpack/lib/action_controller/rescue.rb, line 114
      def rescue_action(exception)
        log_error(exception) if logger
        erase_results if performed?

        # Let the exception alter the response if it wants.
        # For example, MethodNotAllowed sets the Allow header.
        if exception.respond_to?(:handle_response!)
          exception.handle_response!(response)
        end

        if consider_all_requests_local || local_request?
          rescue_action_locally(exception)
        else
          rescue_action_in_public(exception)
        end
      end