Issue
Some users are getting a 503 error (around 5-6 users a day) and the error does not go away with a refresh of the page. Once that error pops-up any page requested on the domain throws the same 503 error. There is no specific website or domain from the ones configured on the server where this error is being faced it is just random.
Errors in the log
(Apache)
AH01067: Failed to read FastCGI header
[proxy_fcgi:error] [pid 30805:tid...
Only some web requests getting 503 error
Some users are getting a 503 error (around 5-6 users a day) and the error does not go away with a refresh of the page. Once that error pops-up any page requested on the domain throws the same 503 error. There is no specific website or domain from the ones configured on the server where this error is being faced it is just random.
Errors in the log
(Apache)
AH01067: Failed to read FastCGI header
[proxy_fcgi:error] [pid 30805:tid...
Only some web requests getting 503 error