Failed error during websocket handshake unexpected response code 302. Upvoting indicates when questions and answers are useful.

Failed error during websocket handshake unexpected response code 302 org connection by altering the wsUri variable in the angular code to point at one of the servers created in this code. IO failed: Error during WebSocket handshake: Unexpected response code: 400 Asked 6 years, 9 months ago Modified 5 years, 8 months ago Viewed 15k times Feb 26, 2023 · WebSocket连接失败因后台拦截器导致，分享解决方案。原ScoketConfig类注册WebSocket处理器时添加了MyHandshakeInterceptor拦截器，移除后问题解决。调整后的配置仅保留处理器注册，去除了拦截器设置，确保WebSocket正常通信。 Nov 15, 2016 · Error during WebSocket handshake: Unexpected response code: 404, it does not connect to my app which is hosted at AWS - EC2 instance!! i would like to know if someone can help me? Sep 26, 2018 · Description kpkartik opened on Sep 26, 2018 Facing this issue if i am connecting to ingress for web socket service failed: Error during WebSocket handshake: Unexpected response code: 400 Ingress YAML ** kind: Ingress apiVersion: extensions/v1beta1 metadata: name: websocket-producer-cdph spec: rules: Jul 11, 2023 · 在尝试使用基于React的WebSocket客户端连接Java Jetty WebSocket服务器时，遇到错误：WebSocket连接失败，错误信息为'Error during WebSocket handshake: Unexpected response code: 302'。 Aug 22, 2016 · During handshake, if server answer by 301 or 302 status code, initAsClient() is called recursively with updated address. I would also recommend checking the troubleshooting in this thread and this thread. (failed websocket is closed before the connection is established) Dec 14, 2021 · Hi, i want to use this websocket method, but still i have a issue with connection, the connection state is stucked, all of the websocket connection link is correct, while i am trying to send a mess Apr 2, 2020 · Azure SignalR Service - Error during WebSocket handshake: Unexpected response code: 404 #864 Closed erzki opened on Apr 2, 2020 · edited by erzki Apr 5, 2015 · 20 Am writing my first websocket program and am getting "WebSocket handshake: Unexpected response code: 404", error while loading the webpage. 1-39//doc/AAA/BBB/CCC/DDD/websocket’ failed: Error during WebSocket handshake: Unexpected response code: 400 AAA, BBB, and CCC above are usually random serial numbers. Learn how to troubleshoot and fix the WebSocket handshake error with response code 302. Jun 26, 2022 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Mar 15, 2020 · 报错：WebSocket connection to 'ws://xx. Using the command, netstat -l -p, I am able t Oct 14, 2020 · reconnectwebsockets. Upvoting indicates when questions and answers are useful. Mar 30, 2018 · Check if you using express-status-monitor as a middleware on express, this makes http call on the first (request) handshake of WebSocket goes failed, if not maybe another factor like proxy (nginx) or similar like that Jun 18, 2020 · Depending on your setup not all transport protocols will run properly In your case your client specify websocket only with the following line transports: ['websocket'] You can either remove that line or specify both websocket with polling the following way transports: ['websocket', 'polling'] They will have the same effect as socket. x. I don't see any problem in my Chrome and Firefox (under OSX) everything works correctly. Mar 14, 2024 · 错误：Error during WebSocket handshake: Unexpected response code: 403 此错误表明服务器拒绝了客户端的WebSocket连接请求，可能由于以下原因： 身份验证错误： 服务器需要身份验证，但客户端未提供凭据。 服务器配置错误： 服务器配置可能不当，拒绝来自特定来源的连接。 Dec 8, 2022 · And the error on the console is; browser. azurewebsites. 3，通过这个简单的js程序，用浏览器打开，查看控制台，网络中的ws，可以看到是能正常连接的，返回状态码为101. Expert tips and code examples included. 3k 阅读 Dec 30, 2016 · WebSocket connection failed: Error during WebSocket handshake: Unexpected response code: 400 Asked 8 years, 10 months ago Modified 1 month ago Viewed 528k times Jan 28, 2017 · Salutations, I'm running a WebSocket server using this module, but am having issues connecting with certain browsers. XX. 1. js WebSocket connection to 'ws:xxx' failed: Error during WebSocket handshake: Unexpected response code: 200 Also, I am using docker, this may be a issue of docker container configuration? May 24, 2018 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. I'm using a basic echo server using the Jan 6, 2021 · If you need to proxy websocket ports, you should change Apache settings to ports 80 and 443 respectively (in this case websocket URL will be wss://your_domain_name:443 for client connections) and set up proxying to WCS ports 8080 and 8443. . Jan 19, 2017 · Once logout your session and try to open localhost:8080/Connection status code 302 means your request is being redirected, so you should check security settings and filters Oct 3, 2019 · Currently, if I define HTTPS entry point for my service WSS requests receive "302 Found" response from the server. What's reputation and how do I get it? Instead, you can save this post to reference later. 10. com/questions/22983302/strophe-failed-to-connect-openfire-by-websocket) but have not been successful. 255. org/' failed: Error during WebSocket handshake: Unexpected response code: 200 #628 New issue Closed Mar 12, 2015 · WebSocket connection to 'ws://localhost:7070/ws' failed: Error during WebSocket handshake: Unexpected response code: 302 I look at other related post (stackoverflow. 33. js?d017:25 WebSocket connection to 'ws://vesta. telegram. Follow our expert guide for a step-by-step solution. 168. Webtop + Virtual server: WebSocket connection to ‘wss://URL’ failed: Error during WebSocket handshake: Unexpected response code: 302 I use BIG IP in version 12. My current POC is very simple, I’ve been following the “Step by step tutorial” and I’ve used Flask to build my WOPI host with a simple “Hello world” example. 4. 04. websocket后端服务正常，监听正常，可以通过简单的前端代码进行连接，但是通过nginx Oct 17, 2019 · WebSocket connection to 'wss://localhost:44351/hubs/sample?access_token=<token_here>' failed: Error during WebSocket handshake: Unexpected response code: 404 I am following the guidance in the documentation as to setup. 0). May 17, 2017 · WebSocket connection to 'ws://localhost:8080/websocket/echo' failed: Error during WebSocket handshake: Unexpected response code: 302 ###該当のソースコード 文章浏览阅读1. mqtt. Jan 14, 2015 · 👍 React with 👍 222 scottstensland, kikar, cuki44, colt05, ignivalancy and 217 more 🎉 React with 🎉 26 skbr1234, RomanGalochkin, nhim175, lasalasa, matheusscarvalho and 21 more ️ React with ️ 35 Nov 11, 2019 · WebSocket connection to ‘wss://onlyoffice. 9w次，点赞3次，收藏2次。本文详细介绍了在本地测试正常的情况下，如何解决部署到服务器后WebSocket连接出现的各种错误。包括更改WebSocket地址为服务器IP或域名，以及在服务端启用SSL后的连接方式调整。 Jun 24, 2018 · , I remove /websocketDemo from my address, the result is same error (WebSocket connection to 'ws://127. 2. Are you sure that you do not use res. Oct 8, 2024 · Hi everyone, My company is considering a possible integration of Collabora Online within its application and, accordingly, I’m building a small proof-of-concept. I think that I must see a code. I am using JDK 1. XX version, websocket connection is getting failed while handshake. Mar 23, 2015 · The language it's ok, design is intuitive. js:1 WebSocket connection to 'wss://xxxxx. It is listening on port 3030. Oct 24, 2023 · Discover the common issues that arise while working with WebSocket and learn comprehensive, practical solutions to overcome real-time communication challenges within your web applications. Dec 5, 2024 · Facing websocket connection to wss failed issues? Discover practical solutions to troubleshoot WebSocket failures and get your application back online. 10/sockjs-node/301/eo4p2zps/websocket' failed: Error during WebSocket handshake: Unexpected response code: 404 . I’m looking for this cause, but I don’t know anymore. myserver. Jul 11, 2023 · 文章浏览阅读1. googleapis. Oct 18, 2020 · The websocket package does not return 403 when the check origin function is func(r *http. Sep 11, 2015 · WebSocket connection to 'ws://localhost:8080/EchoChamber/echo' failed: Error during WebSocket handshake: Unexpected response code: 302 I started exact same project, as here: link. When I tried using WebSocket in my spring boot application I got this error : "WebSocket connection to 'ws://localhost:8080/Moda/chatroomServerEndpoint' failed: Error during WebSocket handshake: Unexpected response code: 400" (Default. Sep 19, 2025 · [SOLVED] WebSocket Connection Failed WebSocket connection failure is a common issue in web development. 1:3333/buguback/websocket' failed: Error during WebSocket handshake: Unexpected response code: 302 Jun 25, 2018 · Did you look at your Apache logfiles? They will explain why you got HTTP error code 400. Jan 31, 2021 · WebSocket connection failed: Error during WebSocket handshake: Unexpected response code: 400 #3691 Closed pinarkaymaz6 opened on Jan 31, 2021 · edited by Zerryth Nov 4, 2020 · Hi Lee, Is your app hosted in the Mobile server or on another one ? Because in the second case there could be something with CSP or CORS. org') client. ' Sep 4, 2015 · I have upgraded to jetty version 9. net/?encoding=text' failed: Error during WebSocket handshake: Unexpected response code: 503 I followed the steps here to deploy and enable websockets in my Web app on Linux:… Jun 1, 2018 · I have tried to set up a simple proxy 2 different ways that will forward the angular page's websocket requests to the same echo. DDD is 4z3ysqvp or SpellCheck. My project is developed using NodeJS and ReactJS. If that is the case, you could sniff the low level communication (from the browser or via external tool like wireshark) and check the values Mar 22, 2016 · WebSocket connection to 'ws://127. com/wss2/' failed: Error during WebSocket handshake: Unexpected response code: 302 Aug 6, 2020 · WebSocket connection to 'wss://sound-mazing. herokuapp. org/mqtt' failed: Error during WebSocket handshake: Unexpected response code: 404 my code is here: Sep 6, 2018 · Spring MVC WebSocket: Unexpected response code: 302 Asked 6 years, 8 months ago Modified 6 years, 8 months ago Viewed 853 times May 11, 2015 · I started the test project (with the button click meter) and it works, but then I go into the console and see WebSocket connection to 'ws://shibe. js:8236 WebSocket connection to 'wss://mqtt. websocket. For the last few days sever responds with this error, WebSocket connection to 'wss://staging. By default, it's using "npm start" which is meant for development only (for React). ninja/sockjs/243/5gtde_n9/websocket' failed: Error during WebSocket handshake: Unexpected response code: 400 I don't know how to fix it. 1k次，点赞2次，收藏2次。假设我的webosocket服务tcp监听端口为8082，服务端ip为192. 15, previously i was using 9. com/app/be4b3366ff1422283a91?protocol=7&client=js&version=5. I think they both have been updated, including special handling for the WebSockets between described server versions. 7 and jboss 8 (wildfly8. php:72 WebSocket connection to 'ws://localhost:8080/' failed: Error during WebSocket handshake: Unexpected response code: 302"; "Connection Closed!" Sep 25, 2017 · Ratchet worked perfect until I updated my composer, after that it produce this error on chrome WebSocket connection to 'wss://mysite. Jun 25, 2019 · 以上代码写出来的demo，已可以实现WebSocket的连接，但是为什么会出现握手出错的问题呢？ 解决思路 1、查阅网上的资料 以上代码写出来的demo是可以本地访问的，但是我把这些代码加到项目中就不好使了。网上的资料基本在说实现上的问题，尝试后跟资料中提供的一些信息也不一样，就没得到解决 Mar 16, 2017 · I've installed Traccar on Ubuntu within below server environment Server: ubuntu16 (digitalOcean) Traccar 3. Can anyone advise on this? Update: Found the answer that I need. mosquitto. xx. Jun 28, 2020 · I'm trying to setup a wss to ws proxy in apache and it's working for my PHP websocket server, but I'm getting a 302 response code for my C# websocket server. My gut tells me it might have to do with my VM (vagrant) which runs Ubuntu -v 14. I can change startup command in Configuration > General settings > Startup Command. io estabilishes a long polling connection first then tries Aug 12, 2017 · 当连接到基于REACT的WebSocket客户端到基于Java Jetty的Web Socket服务器时，我收到以下错误-WebSocket connection to 'ws://localhost:2319/ws' failed: Error during WebSocket handshake: Unexpected response code: 302通过Chrome的Smart Web Dec 16, 2019 · However, I still encounter "Error during WebSocket handshake: Unexpected response code: 503" on the application. connect ('mqtt://test. It reports "status 200" because the server did respond with a HTTP 200 status code — even though it was an accident. com/connect2Deploy' failed: Error during WebSocket handshake: Unexpected response code: 302 Spring boot Code for websocket: Learn how to resolve the WebSocket handshake error caused by unexpected response codes and improve your applications with our expert guide. upstream backend { server localhost:8080; server localhost:8081; } server { Aug 24, 2016 · The issue is handled for chrome but not for Internet Explorer I get this error on the browser console after open 6 or 7 tab for any user: WebSocket connection to 'ws://46. 真是匪夷所思. 9 Devices: IPhone 6 pluse: port 5055 JM01:port 5053 everything working as well if you run without database configuration so after Mar 2, 2018 · I'm having a similar problem where nodejs code works correctly but the browser version of the same code doesn't. As I say: 302 code in the response is very interesting. websocket connect failed with non default_server Description ¶ WebSocket connection to 'ws://test. Unfortunately, some clients won't handle the 302 response code and fail. 0 to v2. com:8883/' failed: Connection closed before receiving a handshake response Sep 22, 2016 · I have implemented WebSockets with Spring Boot Application and have the below error message when trying to test the ws connection with the chrome extension ' Smart websocket client '. Error during WebSocket handshake: Unexpected response code: 302，代码先锋网，一个为软件开发程序员提供代码片段和技术文章聚合的网站。 Jul 12, 2020 · dfhdhjh的博客 经过多次尝试，最后发现是包引错了，我的是Tomcat10版本，在该版本下websocket的包依赖应该是jakarta包，而不是javax的包，因此我换为了Jakarta包。配置项这里就不赘述了，相关配置可以参考网上的资料，因为本文在 Learn how to troubleshoot and resolve the WebSocket handshake error with unexpected code 200 during connection setup. html-Line 11). Something else is returning the 403 response. If you renew/replace the certificate, it should work again. I’m running Collabora on a docker container with the Jun 18, 2024 · WebSocket connection to 'wss://xxx/HubName' failed: Error during WebSocket handshake: Unexpected response code: 400 Error: Failed to start the connection: Error: There was an error with the transport. Also, I am using websocket/ws websocket library. It also store the state isRedirecting in the options object to avoid redirect loop if new handshake attempt result in another redirection. Requested url -> ws:/ Oct 7, 2023 · 在做ws握手时 发现 连接失败 可以查看所在服务代理的nginx 日志是否存在 连接异常的情况： 2022/08/25 11:24:29 [error] 19891#0: *476329 connect() failed (111: Connection refused) while connect Jan 6, 2021 · mojostreaming Jan 6, 2021 302 apache error during websocket handshake resolved reverse proxy unexpected response code: 302 websocket Prev 1 2 Mar 15, 2019 · springboot 集成websocket 及其简单,,,但是管理端使用的是Spring,原生配置,发生这个错误,,,302 被重定向了我起的是本地locallhost,把ip换成 localhost就可以了. redirect in websocket? Thanks. Aug 3, 2023 · The websocket connection may fail and fall back to http, causing slow connection over http. js to connect to the test mosquitto server using the browser: var client = mqtt. org/apiws' failed: Error during WebSocket handshake: Unexpected response code: 302 Jun 18, 2024 · WebSocket connection to 'wss://xxx/HubName' failed: Error during WebSocket handshake: Unexpected response code: 400 Error: Failed to start the connection: Error: There was an error with the transport. 6k次。本文记录了解决WebSocket连接中出现的302错误过程，通过将localhost替换为服务器IP未能解决问题，最终绑定域名成功连接。解释了302状态码含义及域名实名认证的重要性。 Mar 28, 2017 · WebSocket connection to 'ws://localhost:5702/' failed: Error during WebSocket handshake: Unexpected response code: 200 My Configure method in Startup. Sep 12, 2019 · error: WebSocket connection to 'wss://test. If you are able to collect Fiddler data using -ServiceTraceOn , it will be easier to isolate the issue. Learn how to resolve the WebSocket handshake error caused by unexpected response codes and improve your applications with our expert guide. Jun 11, 2025 · Error during WebSocket handshake: Unexpected response code: 302 Above error message suggest that Websocket upgrade request reached CafeX server but was not processed as a websocket connection request. This guide covers common errors, exception handling patterns, and best In Chrome, I get a slightly different error message: "WebSocket connection to 'wss://mydomain. The server is served through ssl, so I connect to it using wss. MYSERVER/5. xx/' failed: Error during WebSocket handshake: Unexpected response code: 403 是不是v2ray的websocket要配置哪里？ Oct 27, 2025 · WebSocket connection to 'wss://myBuildServer:8087/' failed: Error during WebSocket handshake: Unexpected response code: 302 note: when the JavaScript is running on Chrome on the server itself, the error is different: WebSocket connection to 'wss://xxx:8087/' failed: WebSocket opening handshake was canceled Apr 9, 2019 · I am using apache2 AWS server to deploy my project. 3. Find causes, solutions, and code snippets for effective debugging. 0. Sep 10, 2016 · WebSocket connection to 'ws://localhost:3000/ws?session=123' failed: Error during WebSocket handshake: Unexpected response code: 302 Apr 16, 2020 · On Chrome console, I receive the following message: "chatroom. 3&flash=false' failed: Error during WebSocket handshake: Unexpected response code: 302" [Error] WebSocket connection to 'wss://api. Jul 16, 2021 · SignalR hub returning Error during WebSocket handshake: Unexpected response code: 302 Net Core Angular and Azure Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 1k times Jul 11, 2023 · 连接websocket报302错误解决方法 原创 最新推荐文章于 2023-07-11 17:55:09 发布 · 6. Could anyone please assist? 复制WebSocket connection to 'ws://xxxx' failed: Error during WebSocket handshake: Unexpected response code: 404 I'm simply trying to use mqtt. Learn how to fix the WebSocket handshake error with a 403 response code. 1:8080/endpoint' failed: Error during WebSocket handshake: Unexpected response code: 404). com/wss' failed: Unexpected response code: 302 If I test on a local server directly to the node instance https://localhost:3333/ it's working perfectly and websockets work as they should. cs: Mar 29, 2020 · WebSocket连接错误Error during WebSocket handshake Unexpected response code 404 一、问题描述 后台SpringBoot使用@ServerEndpoint创建了一个websocket服务端，本地测试的时候一切正常，部署到线上的时候链 Aug 16, 2020 · WebSocket connection to 'ws://localhost:5000/notificationHub' failed: Error during WebSocket handshake: Unexpected response code: 307 Could somebody tell me what the problem could be. on Mar 26, 2020 · Nick 1 Like Topic Replies Views Activity Websocket issue with interactive desktop Get Help question 7 1484 May 26, 2022 Initial setup Desktop noVNC not working - Failed to connect to server Get Help question 5 1717 May 26, 2022 noVNC- failed to connect to server Get Help 14 1976 August 1, 2023 Problems with mate desktop launch on compute nodes Get Help question 31 4088 May 26, 2022 noVNC May 27, 2021 · vendor. 209. 本地浏览器使用的是localhost,这边配置也需要localh Sep 29, 2025 · 文章浏览阅读1. Aug 13, 2017 · WebSocket connection to 'ws://localhost:2319/ws' failed: Error during WebSocket handshake: Unexpected response code: 302 This error doesn't exist while connecting through Chrome's Smart Web Socket client. 9k次。本文分析了在使用uniapp创建WebSocket时遇到302错误的原因，并提供了具体的解决方案，包括检查URL错误、SSL配置及权限问题，确保链接正确无误。 Jun 1, 2020 · I am running a websocket server on my Digital Ocean droplet using pm2. The Issue When May 2, 2020 · WebSocket connection to 'ws://localhost:8000/' failed: Error during WebSocket handshake: Unexpected response code: 403 Asked 5 years, 5 months ago Modified 5 years, 4 months ago Viewed 11k times Apr 25, 2020 · The browser's WebSocket implementation sees a response that does not conform to the WebSocket spec and rightly throws an error. This article provides insights into the reasons behind WebSocket connection failures and offers practical solutions to help you quickly resolve the problem. com/websocket/notification' failed: Error during WebSocket handshake: Unexpected response code: 302 works fine with default_server or direct to backend server. Dec 24, 2016 · WebSocket connection to 'ws://192. 190/MabnaERP_Version/signalr/connect?transport=webSock Learn how to implement proper error handling for WebSocket connections in FastAPI applications. May 3, 2019 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Jun 1, 2017 · WebSocket connection to 'ws://test. Jun 29, 2016 · WebSocket connection to 'wss://myBuildServer:8087/' failed: Error during WebSocket handshake: Unexpected response code: 302 note: when the JavaScript is running on Chrome on the server itself, the error is different: WebSocket connection to 'wss://xxx:8087/' failed: WebSocket opening handshake was canceled Dec 27, 2019 · VM74253:149 WebSocket connection to 'wss://HerokuAppName. 0 ??? Error during WebSocket handshake: Unexpected response code: 400 Apr 13, 2023 · Troubleshoot 'failed websocket' issues with this guide, covering server configurations, client-side and network issues, FAQs, and more. 2 Should I configure come Web Socket profile on virtual servers, please could you advise? Aug 16, 2020 · 文章浏览阅读5. Java WebSocket连接302错误 或者 握手失败错误，代码先锋网，一个为软件开发程序员提供代码片段和技术文章聚合的网站。 Nov 11, 2025 · WebSocket connection to 'ws://localhost:5000/ws' failed: Error during WebSocket handshake: Unexpected response code: 404 #36069 Closed Jan 6, 2021 · Why error after migrate from v2. Request) bool { return true }. same thing is working fine with 9. web. com/abc/def failed: Error during WebSocket handshake: Unexpected response code: 302 Asked 3 years, 9 months ago Modified 3 years, 8 months ago Viewed 207 times Feb 1, 2019 · Socket. vttuhdft yyhfy caoalnw nza zkgiw ulunf bdzqtva gsb got xnbog mefsun awfvag sos rdjtmlu cegvgu