Have you tried enabling "debug" mode logging and checked the log file for
more details?
For example, modify the settings in your nginx.conf and restart the nginx
service:
error_log /dev/stdout debug;
http {
access_log /dev/stdout;
...
}
On Thu, Dec 15, 2022, 11:23 AM Kaushal Shriyan <kaushalshriyan@gmail.com>
wrote:
> Hi,
>
> I am running the nginx version: nginx/1.22 as a reverse proxy server on
> CentOS Linux release 7.9.2009 (Core). When I hit http://mydomain.com/apis I
> see the below message on the browser even if the upstream server php-fpm
> server is up and running.
>
> *{"errors": {"status_code": 502,"status": "php-fpm server is down"}}*
>
> I have set the below in the nginx.conf file and attached the file for your
> reference.
>
> if ($upstream_http_content_type = "") {
> add_header 'Content-Type' 'application/json' always;
> add_header 'Content-Type-3'
> $upstream_http_content_type$isdatatypejson"OK" always;
> return 502 '{"errors": {"status_code": 502,"status":
> "php-fpm server is down"}}';
> }
>
> # systemctl status php-fpm
> ● php-fpm.service - The PHP FastCGI Process Manager
> Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; enabled;
> vendor preset: disabled)
> Drop-In: /etc/systemd/system/php-fpm.service.d
> └─override.conf
> Active: active (running) since Thu 2022-12-15 15:53:31 UTC; 10s ago
> Main PID: 9185 (php-fpm)
> Status: "Processes active: 0, idle: 5, Requests: 0, slow: 0, Traffic:
> 0req/sec"
> CGroup: /system.slice/php-fpm.service
> ├─9185 php-fpm: master process (/etc/php-fpm.conf)
> ├─9187 php-fpm: pool www
> ├─9188 php-fpm: pool www
> ├─9189 php-fpm: pool www
> ├─9190 php-fpm: pool www
> └─9191 php-fpm: pool www
>
> Dec 15 15:53:31 systemd[1]: Starting The PHP FastCGI Process Manager...
> Dec 15 15:53:31 systemd[1]: Started The PHP FastCGI Process Manager.
> #
>
> Please guide me.
>
> Best Regards,
>
> Kaushal
>
> {"errors": {"status_code": 502,"status": "php-fpm server is down"}}
>
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