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? Apparently, Http server sees that the Geronimo server is up so
does not failover
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.
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