EJB lookup failing in DCM managed Oracle AS clustering

Question

Hi
My purpose is to test DCM managed Oracle AS clustering:
For that I have two Oracle Application servers installed in two different machines with
Version: 10.1.2.0.2 and Installation Type as J2EE and Web Cache
I created an OracleAS File-based Farm and associated both the instances of AS to the cluster. Then I created One OC4J instance called InstanceOne on the cluster and deployed my Application ear onto the cluster.I also configued web Application and EJB Application State Replication the with OracleAS Cluster (OC4J).
My Application has one Ejb module and a web module. My stateless Session bean is Spring framework implemented and I am trying to load the Spring Context lookup from the Struts Action Class by using WebApplicationContext.
My spring context looks like this
<bean id="jndiTemplate"
class="org.springframework.jndi.JndiTemplate">
<property name="environment">
<props>
<prop key="java.naming.factory.initial">com.evermind.server.rmi.RMIInitialContextFactory</prop>
<prop key="java.naming.provider.url">opmn:ormi://<server host>:InstanceOne/<Application Name></prop>
<prop key="java.naming.security.principal">oc4jadmin</prop>
<prop key="java.naming.security.credentials">admin</prop>
<prop key="oracle.j2ee.naming.cache.timeout">30</prop>
<prop key="Dedicated.Connection">yes</prop>
<prop key="Dedicated.RMIcontext">false</prop>
<prop key="LoadBalanceOnLookup">true</prop>
</props>
</property>
</bean>
<bean id="service"
class="org.springframework.ejb.access.SimpleRemoteStatelessSessionProxyFactoryBean">
<property name="jndiTemplate">
               <ref bean="jndiTemplate"/>
          </property>
<property name="jndiName">
<value>MyServiceEJB</value>
</property>
<property name="cacheHome">
<value>false</value>
</property>
<property name="refreshHomeOnConnectFailure">
<value>true</value>
</property>
<property name="businessInterface">
<value>com.my.springejb.MyBusinessInterface</value>
</property>
</bean>
When I give only one server lookup like
opmn:ormi://<server host1>:InstanceOne/<Application Name>
then lookup is working, But by giving two servers in cluster, like opmn:ormi://<server host1>:InstanceOne/<Application Name>, opmn:ormi://<server host2>:InstanceOne/<Application Name>
I am getting error like this
06/12/01 19:27:41 java.lang.NumberFormatException: For input string: "InstanceOne"
06/12/01 19:27:41 at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
06/12/01 19:27:41 at java.lang.Integer.parseInt(Integer.java:468)
06/12/01 19:27:41 at java.lang.Integer.parseInt(Integer.java:518)
06/12/01 19:27:41 at com.evermind.server.rmi.RMIInitialContextFactory.getInitialContext(RMIInitialContextFactory.java:237)
06/12/01 19:27:41 at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:662)
06/12/01 19:27:41 at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
06/12/01 19:27:41 at javax.naming.InitialContext.init(InitialContext.java:219)
06/12/01 19:27:41 at javax.naming.InitialContext.<init>(InitialContext.java:195)
06/12/01 19:27:41 at org.springframework.jndi.JndiTemplate.createInitialContext(JndiTemplate.java:105)
06/12/01 19:27:41 at org.springframework.jndi.JndiTemplate.execute(JndiTemplate.java:83)
06/12/01 19:27:41 at org.springframework.ejb.access.SimpleRemoteStatelessSessionProxyFactoryBean.create(SimpleRemoteStatelessSessionProxyFactoryBean.java:19)
My intension of testing is, if I make one server instance (InstanceOne) down then my lookup should divert all ejb calls to the other server in the cluster, which is not happening at all, and I am getting Server SHUT DOWN exception in the server.
Can anybody please let me know, whether the approach is correct and is there any problem with Spring lookup which does not support multiple host lookup or anything I am missing in my steps, as I am following the Oracle Application Server High Availability Guide 10g Release 2 (10.1.2)

Answer 1

you can find an running sample from :
http://javahowto.blogspot.com/2007/12/calling-weblogic-ejb-3-from-jruby-and.html
In weblogic, local ejb don't appear in the jndi tree, but , it can be founded ...
It works into 10.0 and 10.3
Cheers !