Code Written
=============
import java.rmi.*;
/**
* Remote Interface for the "Hello, world!" example.
*/
public interface HelloInterface extends Remote {
/**
* Remotely invocable method.
* @return the message of the remote object, such as "Hello, world!".
* @exception RemoteException if the remote invocation fails.
*/
public
String say() throws RemoteException;
}
===============
import java.rmi.*;
import java.rmi.server.*;
/**
* Remote Class for the "Hello, world!" example.
*/
public class Hello extends UnicastRemoteObject implements HelloInterface {
private String message;
/**
* Construct a remote object
* @param msg the message of the remote object, such as "Hello, world!".
* @exception RemoteException if the object handle cannot be constructed.
*/
public Hello (String msg) throws RemoteException {
message = msg;
}
/**
* Implementation of the remotely invocable method.
* @return the message of the remote object, such as "Hello, world!".
* @exception RemoteException if the remote invocation fails.
*/
public String say() throws RemoteException {
return message;
}
}
================
import java.rmi.*;
public class HelloClient
{
/**
* Client program for the "Hello, world!" example.
* @param argv The command line arguments which are ignored.
*/
public static void main (String[] argv) {
try {
HelloInterface hello =
(HelloInterface) Naming.lookup ("//localhost:1099");
System.out.println (hello.say());
} catch (Exception e) {
System.out.println ("HelloClient exception: " + e);
}
}
}
===========
import java.rmi.*;
public class HelloServer
{
/**
* Server program for the "Hello, world!" example.
* @param argv The command line arguments which are ignored.
*/
public static void main (String[] argv) {
try {
Naming.rebind ("Hello", new Hello ("Hello, world!"));
System.out.println ("Hello Server is ready.");
} catch (Exception e) {
System.out.println ("Hello Server failed: " + e);
}
}
=================
Then followings steps was followed :
javac HelloInterface.java
javac Hello.java
rmic Hello
rmiregistry&
Then on other command line console
javac HelloServer.java
java HelloServer &
Then on other command line console
javac HelloClient.java
java HelloClient
Then got the following exception
HelloClient exception: java.lang.ClassCastException: sun.rmi.registry.RegistryImpl_Stub
All the files are in same working directory, Please help me out to resolve this problem.
Regards
