Unable to get Rmi program working. Help plz - urgent.

Question

Any help to get this problem resolved would be of help.
I get the error as below:
D:\test\nt>java Client
Server
Client exception: Error marshaling transport header; nested exception is:
javax.net.ssl.SSLException: untrusted server cert chain
java.rmi.MarshalException: Error marshaling transport header; nested exception is:
javax.net.ssl.SSLException: untrusted server cert chain
javax.net.ssl.SSLException: untrusted server cert chain
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.ClientHandshaker.a([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.Handshaker.process_record([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
at com.sun.net.ssl.internal.ssl.AppOutputStream.write([DashoPro-V1.2-120198])
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:76)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:134)
at java.io.DataOutputStream.flush(DataOutputStream.java:108)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:207)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:178)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:87)
at Server_Stub.passArgs(Unknown Source)
at Client.main(Client.java, Compiled Code)
the server was invokde as:
D:\test\nt>java -Djava.rmi.server.codebase="file:/d:/test" -Djava.policy=d:/test/policy Server a b c
Server bound in registry
where policy had allpermission
The server program is given as below:
import java.net.InetAddress;
import java.rmi.Naming;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.RemoteException;
import java.rmi.RMISecurityManager;
import java.rmi.server.UnicastRemoteObject;
public class Server extends UnicastRemoteObject implements Message
     private static String[] args;
     public Server() throws RemoteException
          // super();     
          super(0, new RMISSLClientSocketFactory(),
               new RMISSLServerSocketFactory());
     public String[] passArgs() {
          System.out.println(args[0]);
          System.out.println(args[1]);
          System.out.println(args[2]);
          System.out.println(args.length);
          System.out.println();
          return args;
     public static void main(String a[])
          // Create and install a security manager
          if (System.getSecurityManager() == null)
               System.setSecurityManager(new RMISecurityManager());
          args=a;
          try
               Server obj = new Server();
               // Bind this object instance to the name "Server"
               Registry r = LocateRegistry.createRegistry(4646);
               r.rebind("Server", obj);
               System.out.println("Server bound in registry");
          } catch (Exception e) {
               System.out.println("Server err: " + e.getMessage());
               e.printStackTrace();
The RMISSLServerSocketFactory class is as below:
import java.io.*;
import java.net.*;
import java.rmi.server.*;
import javax.net.ssl.*;
import java.security.KeyStore;
import javax.net.*;
import javax.net.ssl.*;
import javax.security.cert.X509Certificate;
import com.sun.net.ssl.*;
public class RMISSLServerSocketFactory implements RMIServerSocketFactory, Serializable
     public ServerSocket createServerSocket(int port)
          throws IOException     
          SSLServerSocketFactory ssf = null;
          try {
               // set up key manager to do server authentication
               SSLContext ctx;
               KeyManagerFactory kmf;
               KeyStore ks;
               char[] passphrase = "passphrase".toCharArray();
               ctx = SSLContext.getInstance("TLS");
               kmf = KeyManagerFactory.getInstance("SunX509");
               ks = KeyStore.getInstance("JKS");
               ks.load(new FileInputStream("testkeys"), passphrase);
               kmf.init(ks, passphrase);
               ctx.init(kmf.getKeyManagers(), null, null);
               ssf = ctx.getServerSocketFactory();
          } catch (Exception e)
               e.printStackTrace();
               return ssf.createServerSocket(port);
The RMIClientSocketFactory is as below:
import java.io.*;
import java.net.*;
import java.rmi.server.*;
import javax.net.ssl.*;
public class RMISSLClientSocketFactory     implements RMIClientSocketFactory, Serializable
     public Socket createSocket(String host, int port)
          throws IOException
          SSLSocketFactory factory =(SSLSocketFactory)SSLSocketFactory.getDefault();
          SSLSocket socket = (SSLSocket)factory.createSocket(host, port);
               return socket;
And finally the client program is :
import java.net.InetAddress;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.RemoteException;
public class Client
     public static void main(String args[])
          try
               // "obj" is the identifier that we'll use to refer
               // to the remote object that implements the "Hello"
               // interface
               Message obj = null;
               Registry r = LocateRegistry.getRegistry(InetAddress.getLocalHost().getHostName(),4646);
               obj = (Message)r.lookup("Server");
               String[] s = r.list();
               for(int i = 0; i < s.length; i++)
                    System.out.println(s);
               String[] arg = null;
               System.out.println(obj.passArgs());
               arg = obj.passArgs();
               System.out.println(arg[0]+"\n"+arg[1]+"\n"+arg[2]+"\n");
          } catch (Exception e) {
               System.out.println("Client exception: " + e.getMessage());
               e.printStackTrace();
The Message interface has the code:
import java.rmi.Remote;
import java.rmi.RemoteException;
public interface Message extends Remote
     String[] passArgs() throws RemoteException;
Plz. help. Urgent.
Regards,
LioneL

Answer 1

hi Lionel,
have u got the problem solved ?
actually i need ur help regarding RMI - SSL
do u have RMI - SSL prototype or sample codings,
i want to know how to implement SSL in RMI
looking for ur reply
-shafeeq