AH01067: Failed to read FastCGI header error.

[traskowski]

Hey! I rarely post, I always try to search for answers but I have already searched hundreds of topics and still cannot find the answer to my problem.

My problem is as follows. I have a server configured with two domains (dedicated server, sizable, on hetzner). I have Directadmin, PHP-FPM 8.2, Apache, MariaDB and others installed.

There is a site running on WordPress with the WooCommerce Subscriptions plugin version 5.9.1. When I update the plugin to version 6.7.0 I get errors such as:

[Thu Oct 10 17:00:56.252938 2024] [proxy_fcgi:error] [pid 1622:tid 2100] [remote {ip}:0] AH01067: Failed to read FastCGI header, referer: https://domain.com/shop/subscription/
[Thu Oct 10 17:00:56.252965 2024] [proxy_fcgi:error] [pid 1622:tid 2100] (104)Connection reset by peer: [remote {ip}:0] AH01075: Error dispatching request to : , referer: https://domain.com/shop/subscription/

In addition, dmesg displays an error at the same time:

[ 92.750026] php-fpm82[2674]: segfault at 7ffd8b59fff8 ip 00005635512dcfa0 sp 00007ffd8b5a0000 error 6 in php-fpm82[563550e00000+55a000] likely on CPU 2 (core 4, socket 0)
On another server this plug-in works fine (downloaded and uploaded 1:1)...

so I'm betting on the server configuration.... But where to start? I have tried disabling redis, CSF firewall, COMODO WAF, I reinstalled and updated PHP, I have checked that opcache is disabled (it is turned off)...

 

[traskowski]

After the update to the new version of the plug-in (which took place today), everything started to work correctly.