Handshake failed due to invalid Upgrade header: null 解决方案

webSocket推送前端数据,本地开发环境没问题,QA环境报错:

org.springframework.web.socket.server.support.DefaultHandshakeHandler : Handshake failed due to invalid Upgrade header: null

  经过比较后发现,QA环境使用nginx反向代理服务器忽略了headers中的:Upgrade:websocket。

  解决办法:在  Nginx  ,location 中添加以下红色代码:

  proxy_set_header Upgrade $http_upgrade;

  proxy_set_header Connection  "upgrade";

server {
        listen      80;
        server_name  localhost;
        client_max_body_size 10240m;

        location /jk_ers{
            proxy_pass http://jkErs/;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

        }
       
    }

  使得请求中包含Upgrade。

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