Matlab server Program Error - sockets

Question

I am new to Matlab environment
I tried to implenment the Matlab sockets server using the existing java server sockets code
here is the code of Matlab server
import java.io.*;
import java.net.*;
try
providerSocket = ServerSocket(4443, 10);
System.out.println('Waiting for connection');
connection = providerSocket.accept();
System.out.println('Connection received from ');
out = ObjectOutputStream(connection.getOutputStream());
out.flush();
in = ObjectInputStream(connection.getInputStream());
sendMessage('Connection successful');
catch ME
Here is the error i got when executed in matlab...
error(ME.identifier, 'Connection Error: %s', ME.message)
end
Connection Error: Java exception occurred:
java.net.SocketException: Unrecognized Windows Sockets
error: 0: JVM_Bind
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.PlainSocketImpl.bind(Unknown Source)
at java.net.ServerSocket.bind(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
Thank you
Please help me guys

Answer 1

It's most likely that some other socket is blocking port 4443. If using a different port works, then that was the problem. Get the sysinternals tools to see what ports are open - in particular, TCPView.