Load Balancing and Failover

[rjowens]

I have Apache Http Server v2.2.3 configured as a reverse proxy with load balancing to a WADI clustered application on Geronimo 2.1.5. Load balancing and failover works fine if one of the Geronimo instances fail. However, if only the application fails or is stopped I get a 404 error and failover does not work?

Here’s the LB config:

<IfModule mod_proxy_balancer.c>
<Proxy balancer://wadicluster>
Order deny,allow
Allow from all
BalancerMember ajp://localhost:8209/NodeDetection loadfactor=50 route=node1
BalancerMember ajp://localhost:8409/NodeDetection loadfactor=50 route=node2
</Proxy>
ProxyPass /NodeDetect balancer://wadicluster stickysession=JSESSIONID

ProxyPassReverse /NodeDetect ajp://localhost:8209/NodeDetect
ProxyPassReverse /NodeDetect ajp://localhost:8409/NodeDetect

<Location /balancer-manager>
SetHandler balancer-manager
Order Deny,Allow
Allow from all
</Location>

</IfModule>

I need to make this work with an application failure as well as a server failure. Any ideas? Thanks.