Exception in thread "main" java.rmi.NotBoundException: RMIService

package com.huawei.rmi;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;

public class Client {
    public static void main(String[] args) throws RemoteException, NotBoundException {
        Registry registry = LocateRegistry.getRegistry("localhost", 1099);
        HelloRegistryFacade hello = (HelloRegistryFacade) registry.lookup("HelloRegistryFacade");
        String response = hello.helloWorld("Alice");
        System.out.println("Response from RMI server: " + response);
    }
}

package com.huawei.openvector.zk;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;

public class Client {
    public static void main(String[] args) throws RemoteException, NotBoundException {
        Registry registry = LocateRegistry.getRegistry("localhost", 1099);
        HelloService helloService = (HelloService) registry.lookup("HelloService");
        String response = helloService.sayHello("Alice");
        System.out.println("Response from RMI server: " + response);
    }
}