J2ME Bluetooth

import java.io.DataOutputStream;

import javax.bluetooth.*;
import javax.microedition.io.*;

public class Server {
    private StreamConnectionNotifier connection;
    private LocalDevice localDevice;
    private Thread thread;
	/**
	 * @param args
	 */
    private String str = "Hello from my bluetooth enabled computer!";
    
    private class ClientThread extends Thread
    {
        private StreamConnection m_client;
        
        public ClientThread(StreamConnection client) 
        {
            m_client = client;
        }
        
        public void run()
        {
            try {
                DataOutputStream stream = m_client.openDataOutputStream();

                stream.writeInt(str.length());
                stream.write(str.getBytes());
                stream.flush();

                m_client.openDataInputStream().readInt();
            } 
            catch (Exception g) 
            {
                System.out.println("error: " + g.getMessage());
            }
            finally
            {
                try {
                    m_client.close();
                } catch (Exception g) {}
                }
            return;
        }
    }
    
	public Server(){
		try{
			localDevice = LocalDevice.getLocalDevice();
			connection = (StreamConnectionNotifier)javax.microedition.io.Connector.open("btspp://localhost:C111B1111111111AE1131111DF117112;name=Fernbedienung V1.0;authenticate=true;encrypt=false");
			thread = new Thread(new Runnable()
		            {
		               public void run()
		               {
		                   while (true)
		                   {
		                       try {
		                           System.out.println("waiting for a connection ...");
		                           
		                            StreamConnection client = connection.acceptAndOpen();
		                            if (client == null) {
		                                return;
		                            }
		                            
		                            System.out.println("connection establised");
	
		                            ClientThread thread = new ClientThread(client);
		                            
		                            thread.start();
		                            
		                       } 
		                       catch (Exception e)
		                       {
		                           System.out.println(e.getMessage());
		                           return;
		                       }
		                   }
		               }
		            });
		           
		            thread.start();
		            
		   }catch (Exception e)
		     {
		        e.printStackTrace();
		        System.exit(0);
		     }
	}
		
		
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Server myServer = new Server();
	}

}

javax.bluetooth.BluetoothStateException: java.lang.NoClassDefFoundError: com/sun/kvem/jsr082/bluetooth/DiscoveryAgentImpl
	at javax.bluetooth.LocalDevice.getLocalDevice(LocalDevice.java:101)
	at laptop.Server.<init>(Server.java:53)
	at laptop.Server.main(Server.java:97)