import java.io.File;

import java.lang.management.ManagementFactory;

import java.net.BindException;

import java.rmi.registry.LocateRegistry;

import java.rmi.server.ExportException;

import java.util.Random;

import javax.management.MBeanServer;

import javax.management.ObjectName;

import javax.management.remote.JMXConnectorServer;

import javax.management.remote.JMXConnectorServerFactory;

import javax.management.remote.JMXServiceURL;

public class Server {

    public static String start() throws Exception {

        int serverPort = 12345;

        ObjectName name = new ObjectName("test", "foo", "bar");

        MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();

        SteMBean bean = new Ste();

        jmxServer.registerMBean(bean, name);

        boolean exported = false;

        Random rnd = new Random(System.currentTimeMillis());

        do {

            try {

                LocateRegistry.createRegistry(serverPort);

                exported = true;

            } catch (ExportException ee) {

                if (ee.getCause() instanceof BindException) {

                    serverPort = rnd.nextInt(10000) + 4096;

                } else {

                    throw ee;

                }

            }

        } while (!exported);

        JMXServiceURL serverUrl = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:" + serverPort + "/test");

        JMXConnectorServer jmxConnector = JMXConnectorServerFactory.newJMXConnectorServer(serverUrl, null, jmxServer);

        jmxConnector.start();

        return serverUrl.toString();

    }

}