Hi,

Are there any known problems using two serving running Zeus with a load 
balancer, fastcgi, Catalyst and Oracle 10.2 on Red Hat?

Our servers lock up occasionally. Half a dozen times a day, which is often 
enough to cause real embarassment. We restart them by killing the fastcgi 
process.

The symptom is that something causes Catalyst to start returning zero length 
pages. 

eg 

77.242.199.1 - - [10/Jan/2011:20:22:22 +0000] "GET 
/fcgi/catalyst/xxxx/script/xxxx_fastcgi.pl/javascript/calculation_accept 
HTTP/1.1" 200 0 
"http://www.xxxx.co.uk/fcgi/catalyst/xxxx/script/xxxx_fastcgi.pl/home"; 
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.13) Gecko/20101203 
Firefox/3.6.13 ( .NET CLR 3.5.30729)"

Half a dozen calls return this, then the server locks up completely until the 
process is killed.

We can't trace the problem to a particular action, or find any error messages.

It doesn't happen on our other servers which don't have load balancers. One of 
the first things we did was to force the load balancer to always use the same 
server. That didn't help.

Could it be jumping out of the error handling and actually returning zero 
content? I can't see where.

Is there a module dependency which would cause this?

Is it Zeus or fastcgi?

This is the first time we've tried to implement Catalyst and so it's getting 
the blame, probably unjustly. I'm getting a lot of stick as well!

All the best.


Duncan
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