Server port not released

Dear RMI Users,

We have an application which binds a service with a particular port and
when we unexport the service, the server port is still not released and
continues to appear in netstat command.

Code 

import java.rmi.registry.LocateRegistry;
import java.io.*;
import java.rmi.server.*;
import java.net.*;
import java.rmi.*;

public class RMI  extends UnicastRemoteObject{        
    
    private static RMI rmi;
    protected RMI() throws RemoteException
    {
        super();
    }

    public static void main(String[] args) throws Exception {
       
        try
        {
        int port = 10001;
        String service = "rmi://150.236.120.74" + ':' + port + '/' +
"Pips"; 
        rmi=new RMI();
        LocateRegistry.createRegistry(port);
        Naming.rebind(service, rmi);
        
        Naming.unbind(service);
        UnicastRemoteObject.unexportObject(rmi, true);
        try {
            ServerSocket s = new ServerSocket(port);
            System.out.println("It was fine. service " + service);
        } catch (IOException e) {
            System.out.println("Got an exception in creating
ServerSocket");
            e.printStackTrace();
        }
        }
        catch(Exception e)
        {
            e.printStackTrace();   
        }
    }
    
}

Output

java.net.BindException: Address already in use: JVM_Bind
	at java.net.PlainSocketImpl.socketBind(Native Method)
	at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
	at java.net.ServerSocket.bind(ServerSocket.java:319)
	at java.net.ServerSocket.<init>(ServerSocket.java:185)
	at java.net.ServerSocket.<init>(ServerSocket.java:97)
	at cmg.stdapp.rmicharging.RMI.main(RMI.java:30)


JRE Version : jre1.6.0_07

Please explain the above behavior and what can be done to release the
port 10001 without exiting the application. It is a requirement that we
do not exit the application.


Naveen Jain

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