thanks in advance, If it is always happening after one hour, it is probably caused by token expiration, please check here for details: https://github.com/Azure/azure-signalr/blob/dev/docs/tsg.md#401_unauthorized_returned_for_client_requests, @vicancy I think you should define your origins for client side as bellow: In my case, I have just install express-status-monitor to get rid of this error. 2019-03-18 12:25:48.203:DBUG:oejs.ErrorPageErrorHandler:qtp428746855-62: getErrorPage(GET /alertNotification) => error_page=null (from global default) In my case using Nodejs + Nginx + Vuejs/Vite(Front) I managed to solve it by configuring the reverse proxy in the site configuration in Nginx. both cases you will need a webfaction application of type "Custom websockets app (listening on port)" created. Can't find out a solution, I get this error on the browser console: ^M, 2019-03-18 12:25:48.197:DBUG:oejs.HttpChannel:qtp428746855-62: HttpChannelOverHttp@7e76de0f{r=1,c=false,c=false/false,a=IDLE,uri=//localhost:8080/alertNotification,age=0} onContentComplete Well occasionally send you account related emails. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Error during Websocket handshake. initially I was getting error connection refused I'd hazard a guess that's the Angular port and not the server port? Solved for me. .asgi:channel_layer -p -b 0.0.0.0 I was looking at your previous comments when you asked about these steps: - I run the command "daphne -p {port_number} {route:to:asgi:module:channel_ Not the answer you're looking for? layer}", did you enter that command in webfaction ussing putty ssh : "daphne -p {port_number} {route:to:asgi:module:channel_ Long polling works fine however. Lost connection to undefined - Connection Lost Just After The Connection Established, Spring MVC and Websocket Exception using Sockjs with Stompjs. in this case your application is running on 80? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. I am facing the same issue. It's not a socket.io issue, but it is a WebSockets issue, so make sure the server and the client works well with WebSockets. I see this myself although, as you say, the connection still seems to work. Server side log: http://docs.spring.io/spring/docs/current/spring-framework-reference/html/websocket.html. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. [Solved] Spring Websocket: Error during WebSocket | 9to5Answer Hi, And I run the 3 commands : It worked for me. WebWebSocket connection to '' failed: Error during WebSocket handshake: Unexpected response code: 405. The path of the websocket is "ws://mywebsite.com/sart". 2019-03-18 12:25:48.199:DBUG:oejs.session:qtp428746855-62: Testing expiry on session node019pwf1vjcvfue1v8aof9xmc56r0: expires at 1552910148199 now 1552892148199 maxIdle 18000000 Have you fixed your problem? }, If it could be found before, then Thus you might have added the JSR implementation or something Have a question about this project? After removing any proxy server, the error disappeared. Hope it helps ! Why does awk -F work for most letters, but not for the letter "t"? Cache-Control: must-revalidate,no-cache,no-store^M The strange thing is that the connection is working. JavaWebsocket404 - teratail[] WebSocket handshake: Unexpected response code: 404 - WebSocket handshake: Unexpected response code: 404 socketurl socket = new WebSocket Spring Websocket: Error during WebSocket handshake: Unexpected response code: 404 spring-websocket 20,104 After a week trying to solve the same