Error during WebSocket handshake Unexpected response code 404 解决方案 1. 配置nginx 无论如何都要配置nginx: proxy_http_version 1.1;proxy_set_header Connection "upgrade";proxy_set_header Upgrade $http_upgrade; location /xxx{ proxy_pass http://127.0....
HTTP的Upgrade协议头机制用于将连接从HTTP连接升级到WebSocket连接,Upgrade机制使用了Upgrade协议头和Connection协议头。反向代理服务器在支持WebSocket协议方面面临着一些挑战。挑战之一是WebSocket是一个逐段转发(hop-by-hop)协议,因此当代理服务器拦截到来自客户端的Upgrade请求时,代理服务器需要将自己的Upgrade请求发送给后端...
其中第一行是告诉nginx使用HTTP/1.1通信协议,这是websoket必须要使用的协议。 第二行和第三行告诉nginx,当它想要使用WebSocket时,响应http升级请求。 socket.io 官方issues有关于这个问题的讨论,链接:https://github.com/socketio/socket.io/issues/1942
由于个人服务器上面有多个项目,配置了二级域名,需要对二级域名进行转发,在转发工作这快采取了大名鼎鼎的nginx。在这之前所有的项目运行转发都没问题,然而今天在部署一个具有websocket通信的项目时,却意外的报错了,错误消息如下: 1failed: Error during WebSocket handshake: Unexpected response code: 400 。这个错误在本...
我基于.NET CORE 3.1开发了一个signalr的web api程序,我在本地以及公司测试服务器上测试都没问题,但是部署到客户的服务器上就出现了错误。服务器都是windows server 2012。 WebSocket failed: Error during WebSocket handshake: Unexpected response code: 400 ...
websocket 连接404 本地可以访问websocket,但是部署到服务器上就不行,不过本地用的配置是vue.config.js,没走nginx代理。
报错nginx failed error: during websocket handshake location / { proxy_pass http://localhost:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_set_header Host $host; }
WebSocket connection to'ws://localhost:8999/socket.io/?EIO=3&transport=websocket&sid=D0fxLuPwjHWgYSI7AAAB'failed:Error during WebSocket handshake:Unexpected response code:400 WebSocket 握手时发生错误,诡异的是我前端页面没有关闭,重启服务器node app.js后socket重新连上了 ...
Describe the bug i am unable to explain more clear, i configured my application with Azure SignalrR Service, after sometime i got error couldn't connect to server after resolving those,I got this in my console. To Reproduce When we run o...
What happened: On console we can see the following error WebSocket connection to 'wss://XXXX.YYYY//OURSUBPATHapi/live/ws' failed: Error during WebSocket handshake: Unexpected response code: 404 Somehow it seems its is missing a "/" betwe...