Getting 502 Bad Gateway


  • A new installation fron a few days ago - I restarted the server and I get an error 502
    I would very much appreciated your help to understand what's wrong here

    Thanks you

    On systemctl status nginx.service & systemctl status nodebb.service

    May 26 00:47:02 test.wewp.net systemd[1]: Can't open PID file /var/run/nginx.pid (yet?) after start: No such file or directory
    May 26 00:15:32 test.wewp.net systemd[1]: Can't open PID file /var/www/nodebb/pidfile (yet?) after start: No such file or directory
    
    
    • log
    NodeBB v1.10.2 Copyright (C) 2013-2014 NodeBB Inc.
    This program comes with ABSOLUTELY NO WARRANTY.
    This is free software, and you are welcome to redistribute it under certain conditions.
    For the full license, please visit: http://www.gnu.org/copyleft/gpl.html
    
    Clustering enabled: Spinning up 1 process(es).
    
    2020-05-25T21:13:23.104Z [1294] - info: Initializing NodeBB v1.10.2 https://test.wewp.net
    [benchpressjs] Unable to build or find a suitable native module, falling back to JS version
    2020-05-25T21:13:28.576Z [1294] - info: [socket.io] Restricting access to origin: https://test.wewp.net:*
    Mon, 25 May 2020 21:13:28 GMT hsts deprecated The "includeSubdomains" parameter is deprecated. Use "includeSubDomains" (with a capital D) instead. at node_modules/helmet/index.js:33:28
    Mon, 25 May 2020 21:13:28 GMT hsts deprecated The "setIf" parameter is deprecated. Refer to the documentation to see how to set the header conditionally. at node_modules/helmet/index.js:33:28
    2020-05-25T21:13:29.430Z [1294] - info: Routes added
    2020-05-25T21:13:29.438Z [1294] - info: NodeBB Ready
    2020-05-25T21:13:29.450Z [1294] - info: Enabling 'trust proxy'
    2020-05-25T21:13:29.459Z [1294] - info: NodeBB is now listening on: 0.0.0.0:4567
    2020-05-25T21:15:31.908Z [1294] - info: [app] Shutdown (SIGTERM/SIGINT) Initialised.
    2020-05-25T21:15:31.909Z [1294] - info: [app] Web server closed to connections.
    2020-05-25T21:15:31.913Z [1294] - info: [app] Database connection closed.
    2020-05-25T21:15:31.913Z [1294] - info: [app] Shutdown complete.
    
    • nodebb config file
    {
        "url": "https://test.wewp.net",
        "secret": "PASSWORD",
        "database": "mongo",
        "port": "4567",
        "mongo": {
            "host": "127.0.0.1",
            "port": "27017",
            "username": "nodebb",
            "password": "PASSWORD",
            "database": "nodebb"
        }
    }
    
    • nginx conf
    nginx conf
    server {
      listen [::]:443 ssl http2;
      listen 443 ssl http2;
      listen [::]:80;
      listen 80;
      
      server_name test.wewp.net;
      
      client_max_body_size 50M;
    
      # RSA
      ssl_certificate /etc/letsencrypt/test.wewp.net/fullchain.cer;
      ssl_certificate_key /etc/letsencrypt/test.wewp.net/test.wewp.net.key;
      # ECDSA
      ssl_certificate /etc/letsencrypt/test.wewp.net_ecc/fullchain.cer;
      ssl_certificate_key /etc/letsencrypt/test.wewp.net_ecc/test.wewp.net.key;
    
      location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $http_host;
        proxy_set_header X-NginX-Proxy true;
        proxy_pass http://127.0.0.1:4567;
        proxy_redirect off;
        # Socket.IO Support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade"; 
      }
    
    }
    
  • Community Rep

    @shlomi said in Getting 502 Bad Gateway:

    A new installation fron a few days ago - I restarted the server and I get an error 502
    I would very much appreciated your help to understand what's wrong here

    Thanks you

    On systemctl status nginx.service & systemctl status nodebb.service

    May 26 00:47:02 test.wewp.net systemd[1]: Can't open PID file /var/run/nginx.pid (yet?) after start: No such file or directory
    May 26 00:15:32 test.wewp.net systemd[1]: Can't open PID file /var/www/nodebb/pidfile (yet?) after start: No such file or directory
    
    

    Why not? I've not scrutinized the rest of your stuff but a couple quick questions:

    • What is the value of "User" in your nodebb.service? Does it match your nodebb user?

    • What is the value of "PIDFile" in your nodebb.service config?

    • What are the permissions for that directory and file?

    • What is the ownership for that directory and file?

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