Question

Bad gateway error caused by php-fpm on CEntos 8 / NGINX only on second server block

I have installed the whole LEMP stack sucessfully on my Centos 8 droplet, everything checks out. I have a DB, I am running php woth php-fpm, all is swell.

Except that I have created two new server blocks and there whenever I try to access a php file through a broswer, I get a 502 Bad Gateway error.

I have these configs for the server blocks:

server {
    listen 443;
    listen [::]:443;

    root /usr/share/nginx/lilla.lordcase.dev;

   location / {
       index index.html index.htm index.php;
   }

    server_name lilla.lordcase.dev;

    access_log /var/log/nginx/lilla.lordcase.dev.access.log;
    error_log /var/log/nginx/lilla.lordcase.dev.error.log;


   location ~ \.php$ {
      include /etc/nginx/fastcgi_params;
      fastcgi_pass 127.0.0.1:9000;
      fastcgi_index index.php;
      fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
   }


    ssl_certificate /etc/letsencrypt/live/lordcase.dev/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/lordcase.dev/privkey.pem; # managed by Certbot
}

The error in the log file is: 2020/07/08 19:33:02 [error] 571#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 176.63.18.177, server: lilla.lordcase.dev, request: “GET /info.php HTTP/1.1”, upstream: “fastcgi://127.0.0.1:9000”, host: “lilla.lordcase.dev”

I have restarted all services, and as I said, on the primary (original) server block php files are parsed perfectly. ANy ideas?

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Well, actually I don’t. State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 0.0.0.0:111 0.0.0.0:*
LISTEN 0 128 0.0.0.0:80 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 128 0.0.0.0:443 0.0.0.0:*
LISTEN 0 80 :3306 :
LISTEN 0 128 [::]:111 [::]:

LISTEN 0 128 [::]:80 [::]:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 128 [::]:443 [::]:*

Strange, because then how is it possible that on the other “virtual host” php is parsed perfectly?

whats the output of command ss -ntlp ?

You should see the php-fpm service running with port 9000