[英]Socket.io not working with Nginx reverse proxy in front of Node.js
I have my node app running on port 3000. Then I use nginx as a reverse proxy to serve the application with SSL of my domain : 我的节点应用程序在端口3000上运行。然后,我使用nginx作为反向代理,以我域的SSL为应用程序提供服务:
server {
listen 443 ssl;
ssl_certificate /etc/nginx/ssl/server.chain.crt;
ssl_certificate_key /etc/nginx/ssl/server.key;
server_name example.com;
location / {
proxy_pass http://localhost:3000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;
}
}
I initialize my socket in client-side with this line : 我在客户端用以下行初始化套接字:
var socket = io.connect('https://example.com/');
And in servers-side with this line : 而在服务器端的这一行:
var io = socket_io()
app.io = io
But when I launch my application I have this error : 但是,当我启动我的应用程序时,会出现以下错误:
WebSocket connection to 'wss://example.com/socket.io/?EIO=3&transport=websocket&sid=jVNRhDOYJD20l9U-AAAA' failed: Error during WebSocket handshake: Unexpected response code: 502
Do you know how to fix this error ? 您知道如何解决此错误吗?
This article describes using nginx as a rev-proxy in front of the Kaazing WebSocket server. 本文介绍了在Kaazing WebSocket服务器之前使用nginx作为rev-proxy。
https://kaazing.com/kaazing-and-nginx-the-best-of-both-worlds/ https://kaazing.com/kaazing-and-nginx-the-best-of-both-worlds/
The config described in the article might be very similar to using NodeJS as the server. 本文中描述的配置可能与使用NodeJS作为服务器非常相似。 Hope it helps.
希望能帮助到你。
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