websocket: the client is not using the websocket protocol: ‘upgrade’ token not found in ‘Connection’ head,客户端没有使用websocket协议:'upgrade'令牌未在'Connection'头中找到
错误分析
websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' head
当反向代理或负载均衡未正确传递WebSocket
请求时,就会出现此问题。
解决方案
Nginx加上以下解析
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection upgrade
Apache加上以下解析
<Location /ws>
ProxyPass ws://localhost:8000
ProxyPassReverse ws://localhost:8000/
</Location>