通过创建初始上下文并执行查找，可以使用RMI客户端访问远程对象

/**
     * RMI/IIOP clients should use this narrow function
     */
private static Object narrow(Object ref, Class c) {
    return PortableRemoteObject.narrow(ref, c);
}

/**
 * Lookup the EJBs home in the JNDI tree
 */
private static PublicRepository lookupHome() throws NamingException {
    // Lookup the beans home using JNDI
    Context ctx = getInitialContext();

    try {

        Object home = ctx.lookup(\"cea\");
        return (PublicRepository) narrow(home, PublicRepository.class);

    } catch(NamingException ne) {
        System.out.println(\"The client was unable to lookup the EJBHome.  Please make sure \");
        System.out.println(\"that you have deployed the ejb with the JNDI name \"
        + \"cea\" + \" on the WebLogic server at \" + \"iiop://localhost:7001\");
        throw ne;
    }
}


private static Context getInitialContext() throws NamingException {

    try {
        // Get an InitialContext
        Properties h = new Properties();
        h.put(Context.INITIAL_CONTEXT_FACTORY,
        \"weblogic.jndi.WLInitialContextFactory\");
        h.put(Context.PROVIDER_URL, \"iiop://localhost:7001\");
        return new InitialContext(h);

    } catch(NamingException ne) {
        System.out.println(\"We were unable to get a connection to the WebLogic server at \" + \"iiop://localhost:7001\");
        System.out.println(\"Please make sure that the server is running.\");
        throw ne;
    }
}

Exception in thread \"main\" java.lang.ClassCastException
    at com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(Unknown Source)
    at javax.rmi.PortableRemoteObject.narrow(Unknown Source)
    at vrd.narrow(vrd.java:67)
    at vrd.lookupHome(vrd.java:80)
    at vrd.main(vrd.java:34)
Caused by: java.lang.ClassCastException: weblogic.corba.j2ee.naming.ContextImpl
    ... 5 more