CODEWITHSUNDEEP
javarmidistributeddistributed-computing
user3286854
user3286854

Reputation: 25

Why doesn't LocateRegistry.getRegistry() fail if I specify the wrong port number?

I'm trying to distribute a simple room booking system that I implemented, I tried researching and this is what I came up with.. but When I run them and enter different port numbers the client still runs..shouldn't it only run if the port number matches the one I entered for Server? what did I do wrong?

For Client : 

 public static void main (String[] args)
{
Scanner s = new Scanner (System.in);

int portNum = 1099;//default port 
try {
          System.out.print("Enter the port number");
          portNum= s.nextInt();

            Registry reg= LocateRegistry.getRegistry("localhost", portNum);

        System.out.println("Connected to RMI server");

For Server: 

public static void main(String argv[]) {
int portNum = 1099;
 try {

     Scanner s = new Scanner (System.in);
 HotelServer  server  = new HotelServer ();
 //register it with the local naming registry
   try
      {

       System.out.print("Enter The Port Number");
       portNum= s.nextInt();
          Registry reg= LocateRegistry.createRegistry(portNum);
          reg.bind("localhost", server);
          System.out.println("Server started");

Upvotes: 2

Views: 1161

Answers (1)

user207421
user207421

Reputation: 310850

Just getting a result from LocateRegistry.getRegistry() doesn't indicate that you're connected to anything. It doesn't perform any network operations. It just constructs a stub. If the port number isn't correct, you won't find out until you try to use it.

Upvotes: 1

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