[rt-users] RT goes down with 500 error - "(2)No such file or directory: FastCGI: failed to connect to server "/opt/rt3/bin/mason_handler.fcgi":"

[tom at limepepper.co.uk]

Hi,

My users starting calling and emailing today, apparently the RT3 web  
site was down with a 500 error. I am currently running 3.6.6 on RHEL4.

The error in the apache log was;

[Tue Jun 17 14:15:48 2008] [error] [client 10.127.5.6] (2)No such file  
or directory:
FastCGI: failed to connect to server  
"/opt/rt3/bin/mason_handler.fcgi": connect() failed, referer:  
http://dcmon01.osti.local/rt/

the file "/opt/rt3/bin/mason_handler.fcgi" exists with executable  
permissions, and read permissions for the apache user.

Restarting apache was a work-around to the problem and the site is  
back up and running now. However I am interested to know what the root  
cause was and other than monitoring for it, is there any way to  
prevent it causing downtime again?

Many Thanks,

Tom H

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