node.js – WebSocket连接失败,使用nginx,nodejs和socket.io

我尝试用nginx设置nodejs.但是当客户端尝试连接它失败与…

WebSocket connection to 'ws://www.mydomain.com/socket.io/1/websocket/KUv5G...' failed: Error during WebSocket handshake: 'Connection' header value is not 'Upgrade': keep-alive socket.io.js:2371

那么如何启用websocket通讯？

我当前的nginx配置

  upstream mynodejsapp {
    server 127.0.0.1:3000 max_fails=0 fail_timeout=10s weight=1;
    ip_hash;
    keepalive 512;
  }
  server {
    listen 80;
    listen [::]:80 default_server ipv6only=on;
    index index.html;
    server_name mydomain.com www.mydomain.com;
    keepalive_timeout 10;
    gzip on;
    gzip_http_version 1.1;
    gzip_vary on;
    gzip_comp_level 6;
    gzip_proxied any;
    gzip_buffers 16 8k;
    gzip_disable "MSIE [1-6].(?!.*SV1)";
    location / {    
      proxy_pass http://mynodejsapp;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Host $host;
      proxy_set_header X-NginX-Proxy true;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";
      proxy_cache_bypass $http_upgrade;
      proxy_http_version 1.1;
      proxy_redirect off;
      proxy_next_upstream error timeout http_500 http_502 http_503 http_504;
      proxy_connect_timeout 5s;
      proxy_read_timeout 20s;
      proxy_send_timeout 20s;
      proxy_buffers 8 32k;
      proxy_buffer_size 64k;
    }
    location ~ ^/(images/|img/|javascript/|js/|css/|stylesheets/|flash/|media/|static/|robots.txt|humans.txt|favicon.ico) {
      root /var/www/mynodejsapp;
      access_log off;
      expires 1h;
    }
    fastcgi_param   APPLICATION_ENV  production; 
  }

第二,我的nginx conf工作.你可以跟随我的conf.

server {
    listen       80;
    server_name jn.whattoc.com;

    location / {
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Host $http_host;
      proxy_set_header X-NginX-Proxy true;

      proxy_pass http://127.0.0.1:4050/;
      proxy_redirect off;

              proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}

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