map$http_upgrade$connection_upgrade{defaultupgrade; '' close; } 如果Upgrade 标头设置为 '',此map块告诉 nginx 正确设置相关的 Connection 标头来关闭连接。 将map 块放入 nginx 配置的 http 块中。 nginx 配置的默认文件路径是/etc/nginx/nginx.conf。 这是一个
针对你遇到的nginx: [emerg] unknown "connection_upgrade" variable错误,我们可以按照以下步骤进行排查和解决: 检查Nginx配置文件是否存在语法错误: 首先,确保Nginx的配置文件中没有遗漏的括号、分号或其他语法错误。 你可以使用Nginx的-t选项来测试配置文件的语法: bash nginx -t 如果配置文件有语法错误,Nginx会明...
nginx反向代理websocket 首先,客户端发起协议升级的请求,而nginx在拦截时需要识别出这是一个协议升级(upgrade)的请求,所以必须显式设置升级(Upgrade head)和连接头(Connection head),如下: location /sockjs-node/ { proxy_pass http://127.0.0.1:4200/sockjs-node/; proxy_http_version 1.1; proxy_set_header Upg...
1 nginx: [emerg] unknown "connection_upgrade" variable errorSo find information to solve the problem, and record it here. 2. Solution In the main NGINX configuration file, add: Nginx 12345678 http { ... #The default configuration is omitted above, and the following code can be added at...
1. 2、nginx: [emerg] unknown "connection_upgrade" variable解决与思考 http { map $http_upgrade $connection_upgrade { default upgrade; '' close; } server { location / { #… proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; } } } ...
问题 nginx启动或者重启提示信息如下: nginx: [emerg] unknown "connection_upgrade" variable nginx: configuration file /www/server/nginx/conf/nginx.conf test failed 解决方法 在nginx配置文件http标签下添加如下几行: map $http_upgrade $connection_upgrade { ...
$proxy_connection is resolved.# - The $proxy_connection variable is used in a proxy_set_header directive in# the http block, so it is always fully resolved for every request -- even# those where proxy_pass is not used (e.g., unknown virtual host).map""$upstream_keepalive{# The ...
otherwise, pass along the # server port the client connected to map $http_x_forwarded_port $proxy_x_forwarded_port { default $http_x_forwarded_port; '' $server_port; } # If we receive Upgrade, set Connection to "upgrade"; otherwise, preserve # NGINX's default behavior ("Connection: cl...
typedef void (*ngx_http_set_variable_pt) (ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); typedef ngx_int_t (*ngx_http_get_variable_pt) (ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); 回调函数比较简单,第一个参数是当前请求,第二...
nginx: [emerg] unknown "foo" variable nginx: configuration file /etc/nginx/nginx.conf test failed 1. 2. 3. Nginx 变量的创建和赋值操作发生在全然不同的时间阶段,Nginx 变量的创建只能发生在 Nginx 配置加载的时候,或者说 Nginx 启动的时候,而赋值操作则只会发生在请求实际处理的时候。