[error] 7697#7697: *100335 connect() failed (111: Connection refused) while connecting to upstream, client: XXX.XXX.XXX.XXX, server: v4.domain.com, request: "GET /socket.io/?__sails_io_sdk_version=0.13.8&__sails_io_sdk_platform=browser&__sails_io_sdk_language=javascript&EIO=3&transport=polling&t=Luvcibs HTTP/1.1", upstream: "http://127.0.0.1:1338/socket.io/?__sails_io_sdk_version=0.13.8&__sails_io_sdk_platform=browser&__sails_io_sdk_language=javascript&EIO=3&transport=polling&t=Luvcibs", host: "v4.domain.com", referrer: "http://v4.domain.com/?ct=t(Flash_Sals_Videotoolz_copy_05_12_29_2016)&mc_cid=404a630ab2&mc_eid=c44f7937fe" [error] 7700#7700: *101735 connect() failed (111: Connection refused) while connecting to upstream, client: XX.XX.XX.XX, server: v4.domain.com, request: "GET /socket.io/?__sails_io_sdk_version=0.13.8&__sails_io_sdk_platform=browser&__sails_io_sdk_language=javascript&EIO=3&transport=polling&t=LuvciVy HTTP/1.1", upstream: "http://127.0.0.1:1338/socket.io/?__sails_io_sdk_version=0.13.8&__sails_io_sdk_platform=browser&__sails_io_sdk_language=javascript&EIO=3&transport=polling&t=LuvciVy", host: "v4.domain.com", referrer: "http://v4.domain.com/" 最近我已经在Ubuntu 16.04 VPS服务器上configuration了我的sails js应用程序，它有nginx作为反向服务器。 下面是我的nginx conf的网站
网站运行良好，但突然网站突破，并显示502坏网关。
试过几乎所有我能做的事情。
请帮我把它sorting。
server { listen 80 default_server; listen [::]:80 default_server; # SSL configuration # listen 443 ssl default_server; listen [::]:443 ssl default_server; # # Note: You should disable gzip for SSL traffic. # See: https://bugs.debian.org/773332 # # Read up on ssl_ciphers to ensure a secure configuration. # See: https://bugs.debian.org/765782 # # Self signed certs generated by the ssl-cert package # Don't use them in a production server! # # include snippets/snakeoil.conf; root /var/www/html/php; # Add index.php to the list if you are using PHP index index.html index.php index.htm index.nginx-debian.html; server_name domain.com www.domain.com; ssl_certificate /etc/letsencrypt/live/domain.com/fullchain.pem; # managed by Certbot ssl_certificate_key /etc/letsencrypt/live/domain.com/privkey.pem; # managed by Certbot ssl_dhparam /etc/ssl/certs/dhparam.pem; location / { # First attempt to serve request as file, then # as directory, then fall back to displaying a 404. #try_files $uri $uri/ =404; #try_files $uri $uri/ /index.php?q=$uri&$args; try_files $uri $uri/ /index.php?$args; } location ~ \.php$ { try_files not-existing-file @php; } location @php { #fastcgi_pass 127.0.0.1:9000; fastcgi_read_timeout 300; fastcgi_pass unix:/var/run/php/php7.0-fpm.sock; include snippets/fastcgi-php.conf; } location ~* \.(css|js|png|jpg|jpeg|gif|ico)$ { expires 1d; } # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #} } upstream sails_server { server 127.0.0.1:1338; # fail_timeout=0; # keepalive 64; } server { listen 80; listen [::]:80; server_name v4.domain.com; root /root/domain/; #Logging error_log /root/domain/log/error.log notice; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $host; proxy_http_version 1.1; proxy_set_header Connection ""; proxy_read_timeout 300; proxy_pass http://sails_server; proxy_redirect off; # proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; # proxy_set_header Connection ""; # proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-NginX-Proxy true; # proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10ms; # proxy_cache one; # proxy_cache_key sfs$request_uri$scheme; # proxy_pass_request_headers on; } location /socket.io/ { proxy_pass http://sails_server/socket.io/; proxy_http_version 1.1; proxy_redirect off; proxy_set_header Host $host; proxy_set_header Port $server_port; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Nginx-Proxy true; proxy_pass_request_headers on; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_buffers 8 32k; proxy_buffer_size 64k; } }
我的风帆应用程序的我的PM2configuration文件如下
{ "apps": [ { "name": "dj", "script" : "./app.js", "watch": false, "ignore_watch" : ["node_modules", ".tmp"], "watch_options": { "followSymlinks": false }, "env" : { "PORT": 1338, "NODE_ENV": "production" } } ] }