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From "Hassan Schroeder" <hassan.schroe...@gmail.com>
Subject Re: Monitoring Tomcat availability in a load balanced capacity
Date Wed, 12 Nov 2008 18:35:43 GMT
On Wed, Nov 12, 2008 at 9:42 AM, Adam Gordon <adam.gordon@readytalk.com> wrote:
> We're running two Tomcat (5.5.16) instances in a load-balanced capacity
> behind an Apache server (2.0.55 w/ mod j/k 1.2.14).
>
> We'd like to set up some sort of monitoring that would allow us to not just
> check to see if the Tomcat Java processes are still running (that's easy)
> but to actually connect to each web server (either independently or via the
> load-balancer) and verify that a certain page can be returned.
>
> Since we're connecting to Tomcat via an Apache load-balancer, we don't know
> of a way to force the load-balancer to go to a certain Tomcat instance.
>  Additionally, we don't know how to speak mod j/k so we can't fake a direct
> connection to each Tomcat instance.

Simplest: add an HTTP connector to use for testing.  :-)

Re' forcing the instance to use -- see the entry for jvmRoute in
<http://tomcat.apache.org/tomcat-5.5-doc/config/engine.html>

FWIW,
-- 
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com

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