How to call Sun server from Tomcat

Hi
I have EJB running on SUN J2EE server on different machine. I want to access EJB from Tomcat running on my machine through JSP page.
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
p.put(Context.PROVIDER_URL, "iiop://remote_machine:3700#ejb/ConnEJBBean");
Context ctx = new InitialContext(p);
Object objRef = ctx.lookup("ejb/ConnEJBBean");
%>
objRef type is: <%=objRef.getClass().getName()%>
<%
// Do something with object reference...
ConnEJBRemoteHome conEjbRemoteHome = (ConnEJBRemoteHome)PortableRemoteObject.narrow(objRef, ConnEJBRemoteHome.class);
ConnEJBRemote myConEjb = conEjbRemoteHome.create();
%>
This call rerurn an object of com.sun.corba.se.internal.iiop.CDRInputStream_1_0$1
althought I am expecting of conEjbRemoteHome Stub. Thus it throwas error on line:
ConnEJBRemoteHome conEjbRemoteHome = (ConnEJBRemoteHome)PortableRemoteObject.narrow(objRef, ConnEJBRemoteHome.class);
Which throuws an exception:
java.lang.ClassCastException at com.sun.corba.se.internal.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:293) at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:134)
ANy help would be great...
Thanks in advance
Bhuwan

Couple of suggestions. First double-check that you actually have the RMI-IIOP stubs. Which version of SUN Appserver are you using. With versions 8.x or later, there are no RMI-IIOP stubs generated by default. You'd need to explicitly request that they be generated during deployment of the ejb app ( e.g. by setting the --generatermistubs option when running asadmin deploy).
Also double-check that the stubs are indeed visible within the classpath of your web application. The most common reason for the ClassCastException during PortableRemoteObject.narrow is that the stubs were not found.
--ken

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Edited by: _Locutus on Apr 2, 2009 2:37 PM

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