Test program to expose socket connection issues on Windows 8.1

SocketListener.java

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;


public class SocketListener {

    public static void main(String[] args) throws IOException {
        int port;
        if (args.length >= 1) {
            port = Integer.parseInt(args[0]);
        } else {
            port = 0;
        }
        
        try (ServerSocket ss = new ServerSocket(port)) {
            System.out.println("Bound socket on port " + ss.getLocalPort());
            
            byte[] buffer = new byte[1024];

            while (true) {
                Socket conn = ss.accept();
                
                System.out.println("Accepted new connection");
                
                InputStream inputStream = conn.getInputStream();
                
                while (true) {
                    int numBytes = inputStream.read(buffer);
                    
                    if (numBytes < 0) {
                        System.out.println("Got socket closed notification");
                        break;
                    }
                    
                    String read = new String(buffer, 0, numBytes);
                    
                    System.out.println("Read " + numBytes + " bytes:");
                    System.out.println(read);
                }
            }
        }
    }

}

SocketTalker.java

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.net.Socket;
import java.net.UnknownHostException;


public class SocketTalker {

    public static void main(String[] args) throws UnknownHostException, IOException {
        int port;
        String host;
        if (args.length >= 2) {
            host = args[0];
            port = Integer.valueOf(args[1]);
        } else {
            throw new IllegalArgumentException("Usage: java SocketTalker <host> <port>");
        }

        try (Socket sock = new Socket(host, port)) {
            OutputStream os = sock.getOutputStream();
            Writer w = new PrintWriter(os);
            for (int i = 0; i < 10; i++) {
                w.append("I am line " + (i+1) + " of text and I don't have too much to say but I'll keep on saying it anyway because I can.\n");
            }
            
            w.flush();
            w.close();
        }
    }

}