import java.io.IOException;
import java.io.Serializable;
import java.net.Socket;
import java.rmi.server.RMIClientSocketFactory;

public class ClientSocketFactory implements RMIClientSocketFactory, Serializable {

	@Override
	public Socket createSocket(String host, int port) throws IOException {
		// TODO Auto-generated method stub
		System.out.println( "ClientSocketFactory host="+host+" port="+port );		
		System.out.println( "Rewrite host to <my external ip censored>" );
		host = "<my external ip censored>";
		return new Socket( host, port );
	}
}

	public void register() throws RemoteException, AlreadyBoundException {
		ServerSocketFactory ssf;
		ClientSocketFactory csf;
		ssf = new ServerSocketFactory ();
		csf = new ClientSocketFactory();
		I_GF_Host stub = (I_GF_Host)UnicastRemoteObject.exportObject(
			this, 
			DISPATCHER_REGISTER_PORT+1,
			csf,
			ssf
			);
		
		Registry registry = LocateRegistry.createRegistry( DISPATCHER_REGISTER_PORT );
		registry.bind( "I_GF_Host", stub );
	}

System.out.println( "Connect to "+ DISPATCHER_REGISTER_PORT);	            
	            Registry registry = LocateRegistry.getRegistry(
"<my external IP censored>",
DISPATCHER_REGISTER_PORT
);
System.out.println( "getRegistry OK");	            
	            I_GF_Host host = (I_GF_Host) registry.lookup( "I_GF_Host" );
System.out.println( "lookup OK");	            
	            host.test();
System.out.println( "Test OK" );
	            //
	            RD_Request rd;
	            RD_RequestPacket packet;
	            packet = new RD_RequestPacket();
	            packet.arr = new RD_Request[3];
	            packet.arr[ 0 ] = new RD_Request();
	            packet.arr[ 1 ] = new RD_Request();
	            packet.arr[ 2 ] = new RD_Request();
	            
	            packet.arr[ 0 ].request = "Request 1...";
	            packet.arr[ 1 ].request = "Request 2...";
	            packet.arr[ 2 ].request = "Request 3...";
	            host.doRequests( packet );
	            System.out.println( "doRequests OK" );

java.rmi.MarshalException: error marshalling arguments; nested exception is: 
	java.io.NotSerializableException: <MY CLASS NAME>
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:158)
	at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:227)
	at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:179)
	at com.sun.proxy.$Proxy0.doRequests(Unknown Source)
        <censored>
Caused by: java.io.NotSerializableException: <MY CLASS NAME>
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1378)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at sun.rmi.server.UnicastRef.marshalValue(UnicastRef.java:294)
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:153)
	... 4 more