Failed to read FastCGI header - 503 Service Unavailable

Derevko

Verified User
Joined
Feb 18, 2012
Messages
46
Hi,

I've a couple of domain that after a while are unaccessible with 503 Service Unavailable
The log are full of:

Code:
 [Thu Jun 18 21:21:26.859309 2015] [proxy_fcgi:error] [pid 9346:tid 140315680777984] [client xxx.xxx..xxx.xxx:55929] AH01067: Failed to read FastCGI header[Thu Jun 18 21:21:26.859329 2015] [proxy_fcgi:error] [pid 9346:tid 140315680777984] (104)Connection reset by peer: [client xxx.xxx..xxx.xxx:55929] AH01075: Error dispatching request to :

If I restart php-fpm55 it works for a couple of hours.

Any ideas?
 
Last edited:
I don't use APC, but I just checked my options.conf and I've opcache=yes. Could be this one. I'm going to remove it and see if something changes.
Thanks Alex.

After a week I can say that opcache was the cause. Removing it fixed the issue. Thanks for the hint.
 
Hi! Have someone any tips how to remove Apache error which causes 503 on my website?
AH01067: Failed to read FastCGI header
[Fri Aug 24 20:00:01.751924 2018] [proxy_fcgi:error] [pid 17748:tid 139658589746944] (104)Connection reset by peer:

mod_ruid off; opcache is on; using php-fpm5.6
 
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