Getting 502 Bad Gateway

[shlomi]

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"; 
  }

}

[gotwf]

@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?