The application(s) need to be enabled also on the LB tier. I think you are missing that. Please use <a href="
http://docs.sun.com/app/docs/doc/820-4046/enable-http-lb-application-1?a=view">enable-http-lb-application</a> to enable the clusterjsp application.
Each application-ref has a lb-enabled flag that indicates if an application is exposed in the LB tier or not. Refer to domain.xml DTD:
<!ELEMENT application-ref EMPTY>
<!ATTLIST application-ref
enabled %boolean; "true"
virtual-servers CDATA #IMPLIED
lb-enabled %boolean; "false"
disable-timeout-in-minutes CDATA "30"
ref CDATA #REQUIRED>
Looking at the loadbalancer.xml DTD, each cluster has zero or more web-module.
<!ELEMENT loadbalancer (cluster*, property*)>
<!ELEMENT cluster (instance*, web-module*, health-checker?)>
Please make sure that clusterjsp shows up in the exported loadbalancer.xml file as a web-module. Your exported loadbalancer.xml should look something similar to the following:
<!DOCTYPE loadbalancer PUBLIC "-//Sun Microsystems Inc.//DTD Sun One Application Server 8.1//EN"
"sun-loadbalancer_1_2.dtd">
<loadbalancer>
<cluster name="cluster1" policy="round-robin">
<instance name="instance1" enabled="true" disable-timeout-in-minutes="60"
listeners="
http://instance-one-host:instance-one-port" weight="100"/>
<instance name="instance2" enabled="true" disable-timeout-in-minutes="60"
listeners="
http://instance-two-host:instance-two-port weight="100"/>
<web-module context-root="clusterjsp" enabled="true" disable-timeout-in-minutes="60"
error-url="sun-http-lberror.html" />
<health-checker url="/" interval-in-seconds="10" timeout-in-seconds="30" />
</cluster>
<property name="reload-poll-interval-in-seconds" value="60"/>
<property name="response-timeout-in-seconds" value="30"/>
<property name="https-routing" value="true"/>
<property name="require-monitor-data" value="false"/>
<property name="active-healthcheck-enabled" value="false"/>
<property name="number-healthcheck-retries" value="3"/>
<property name="rewrite-location" value="true"/>
</loadbalancer>
Hope this helps.
--
Nazrul
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