code: public static void main(String[] args) throws Exception {
          LoggingFilter accessLog = new LoggingFilter();
          NullToNotFound nullFilter = new NullToNotFound();
          HandleErrors errorsFilter = new HandleErrors();
          Service<Request, Response> service = accessLog
              .andThen(nullFilter)
              .andThen(errorsFilter)
              .andThen(router());
  
          ListeningServer server = Http.server().serve(ADDR, service);
  
          Await.ready(server);
      }
docs: Start the server.