error log not reflect the problem related log

[niraj]

Hi
     I am using the application which having code in perl. I have both
html and cgi files.

For Cgi and perl files I have install the fcgi and spawn-fcgi and
configure the same in Nginx configuration.

For database I am using Mysql and OS is Cent OS. 

Is any other information required ?

Please suggest  where would be the exact error log  for this application
which can help to solve the application related error.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,224065,224130#msg-224130