[RESOLVIDO] RMI ClassNotFoundException: HelloImpl_Stub

import java.rmi.Remote; 
import java.rmi.RemoteException; 

public interface Hello extends Remote { 
    public String sayHello() throws RemoteException; 
}

import java.applet.Applet; 
import java.awt.Graphics; 
import java.rmi.Naming; 
import java.rmi.RemoteException; 

public class HelloApplet extends Applet { 

    String message = "blank"; 
  
    // "obj" is the identifier that we'll use to refer 
    // to the remote object that implements the "Hello" 
    // interface 
    Hello obj = null; 

    public void init() { 
	try { 

	    obj = (Hello)Naming.lookup("//" + 
			 getCodeBase().getHost() + "/HelloServer"); 
	    message = obj.sayHello(); 
	} catch (Exception e) { 
	    System.out.println("HelloApplet exception: " + 
				    e.getMessage()); 
	    e.printStackTrace(); 
	} 
    } 

    public void paint(Graphics g) { 
	g.drawString(message, 25, 50); 
    } 
}

import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

public class HelloImpl extends UnicastRemoteObject
    implements Hello {

    public HelloImpl() throws RemoteException {
        super();
    }

    public String sayHello() throws RemoteException{
        return  "Hello World!";
    }


}

import java.rmi.Naming;

public class HelloServer {
public HelloServer() { 

       try { 
	    Hello obj = new HelloImpl(); 
	    // Bind this object instance to the name "HelloServer" 
	    Naming.rebind("rmi://localhost:1099/HelloServer", obj); 
	    System.out.println("HelloServer bound in registry"); 
        } catch (Exception e) { 
	    System.out.println("HelloImpl err: " + e.getMessage()); 
	    e.printStackTrace(); 
        } 
    } 

public static void main(String[] args) {
		new HelloServer();
	}
}

java -Djava.rmi.server.codebase=http://localhost:8080/RMIExample/stubTeste/ HelloServer

IRemoteService service = new RemoteServiceImpl();
IRemoteService stub =
						(IRemoteService) UnicastRemoteObject.exportObject(service, 0);
					Registry registry = LocateRegistry.createRegistry(PORTA);
					registry.rebind(IRemoteService.serviceName, stub);

import java.rmi.Remote;
import java.rmi.RemoteException;

public interface IRemoteService extends Remote { 

    public final String serviceName = "MyRemoteService"; 
    public abstract void startDoing() throws RemoteException; 

    public abstract void stopDoing() throws RemoteException; 
}


import java.rmi.RemoteException;

public class RemoteServiceImpl implements IRemoteService { 
    public RemoteServiceImpl(){ 
        super(); 
    } 
    public void startDoing() throws RemoteException { 
    	System.out.println("I'm starting");
    } 
    public void stopDoing() throws RemoteException { 
    	System.out.println("I'm stoping");
    }
}