[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":"

[Ryan Hagan]

We're actually seeing something very similar, but we're using lighttpd instead of Apache.  It does seem that it's always a fastcgi process that hangs for us.  Instead of returning a 500 error, though, our FastCGI process just starts eating up 99% of the CPU until we restart lighttpd.

We're using 3.6.3.  We're hoping that upgrading RT to a more recent version will solve this problem.


-----Original Message-----
From: tom at limepepper.co.uk
Sent: Tuesday, June 17, 2008 1:09pm
To: "RT Users" <rt-users at lists.bestpractical.com>
Subject: [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":"

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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