Hi all,
I am trying to track down a 500 error in Apache that shows up randomly
with no useful output in either the apache error log or php error log.
The thing that makes it even stranger, is even though it is recording a
500 error in the access_log the page is still showing fine!
System info:
CentOS 6.5, httpd 2.2.15-29, php 5.3.23-1. PHP is configured to run
under FastCGI.
I've found posts regarding changing the FcgidMaxRequestsPerProcess to
prevent 500 errors and have done so. In the attempt to just stop the 500
errors and see if it would work, I've set FcgidMaxRequestsPerProcess to
0 and PHP_FCGI_MAX_REQUESTS to 0.
Here is a log snippet of the system throwing a 500 error when I was
actually browsing the site:
98.197.129.225 - - [28/Jan/2014:16:11:23 -0600] "GET /view.php HTTP/1.1"
500 1030936 "http://[redacted]/"; "Mozilla/5.0 (Windows NT 6.1; WOW64;
rv:26.0) Gecko/20100101 Firefox/26.0"
When this occurred my browser never showed any error output from the
server. For all intents and purposes, I had no idea this even happened
until I grepped the logs to see if the 500 errors have stopped.
No errors are recorded in either the php error log or apache error log
when this happens. The only indication it ever occurred was the
access_log snippet above.
Any thoughts on how to get further info on what's going on here?
Thanks in advance!
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