respond_to_invalid_request

# File actioncable/lib/action_cable/connection/base.rb, line 220
        def respond_to_invalid_request
          close(reason: ActionCable::INTERNAL[:disconnect_reasons][:invalid_request]) if websocket.alive?

          logger.error invalid_request_message
          logger.info finished_request_message
          [ 404, { "Content-Type" => "text/plain" }, [ "Page not found" ] ]
        end