# File vendor/plugins/exception_notification/lib/exception_notifiable.rb, line 92
    def exceptions_to_treat_as_404
      exceptions = [ActiveRecord::RecordNotFound,
                    ActionController::UnknownController,
                    ActionController::UnknownAction]
      exceptions << ActionController::RoutingError if ActionController.const_defined?(:RoutingError)
      exceptions
    end