Test of java SSL / keystore / cert setup. Check the commet #1 for howto.

SSLPoke.java

import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import java.io.*;

/** Establish a SSL connection to a host and port, writes a byte and
 * prints the response. See
 * http://confluence.atlassian.com/display/JIRA/Connecting+to+SSL+services
 */
public class SSLPoke {
    public static void main(String[] args) {
        String host;
        String port;
        if (args.length != 2) {
            System.out.println("Usage: "+SSLPoke.class.getName()+" <host> <port>");
            System.exit(1);
        }else{
            host=args[0];
            port=args[1];
        }

        try {
            SSLSocketFactory sslsocketfactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
            SSLSocket sslsocket = (SSLSocket) sslsocketfactory.createSocket(host, Integer.parseInt(port));

            InputStream ina = sslsocket.getInputStream();
            OutputStream out = sslsocket.getOutputStream();

            // Write a test byte to get a reaction :)
            out.write(1);

            while (ina.available() > 0) {
                System.out.print(ina.read());
            }
            System.out.println("Successfully connected");

        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }
}