java.lang.ClassCastException: $Proxy10 cannot be cast to org.omg.CORBA.Object

[ira]

I am migrating my application from JBoss 5 to JBoss 7 (jboss-as-7.1.1.Final). And using JNDI:

ctx = new InitialContext (jndiProperties);

obj = ctx.lookup(jndiName +"!"+ className);
...

home = (EJBHome)PortableRemoteObject.narrow(obj, EJBHome.class);

This line gives me ClassCastException (see attached).

Please, help!