500 error but no info about the link GET / HTTP/1.1" 500 "-"

Question

I am getting the following 500 in my access logs in rare occasions

IP - - [05/Nov/2013:14:44:52 -0600] "-GET / HTTP/1.1" 500  "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)"
IP - - [05/Nov/2013:14:44:52 -0600] "GET / HTTP/1.1" 500 - "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)"

However I cant see what page is throwing it so I was wondering how can I go about troubleshooting and find the page.

Thanks

Solution

The page that's throwing it is "/". So you want to look at what your index file is in your document root (index.php for example). Additionally, make sure that the log is for a site that you have setup correctly (e.g. not default vhost).

If you have multiple vhosts, you may want to create a custom log file for each vhost so you know which one it is that is returning a 500 error. It would be the directives: TransferLog and ErrorLog.