[Mongrel] Mongrels stop responding

Michael Kinney lists at ruby-forum.com
Tue Apr 1 15:12:53 EDT 2008

Cynthia Kiser wrote:
> You said this app was not using MySQL. Is it using Oracle? if so,
> ok. Otherwise, why did your trace wander through the Oracle client
> libraries?

The paperless-mpcs app does use Oracle. This app is where the gdb 
backtrace came from. I am waiting for this app to fail again so that I 
can get a ruby backtrace.

The intranet portal app uses MySQL. This is the app that generated the 
ruby backtrace that shows mongrel "stuck in the sleeper thread".

> (I spent a lot of time one day trying to trace some Oracle library
> oddities. The very un-Linux like solution of rebotting the VM fixed
> things but I am now quite leary of unexplained Oracle detours.

Are you suggesting I reboot my server? I can make that happen. I would 
hate to call that a "fix" though. As you say, very un-Linux-like.

> There
> is also a very odd interaction with LDAP and the Oracle LDAP libraries
> - http://lists.rubyonrails.org/pipermail/rails/2006-April/032583.html.)

I don't use Ruby/LDAP on this server yet, but I will in the future. 
Thanks for pointing that out, you've almost certainly saved me some 
serious headaches!
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