code: public MBeanServerConnection getConnection(String jmxUrl, Hashtable attributes, boolean wait)
  	{
  		JMXMonConnection connection = (JMXMonConnection)pool.get(jmxUrl);
  		if (connection == null) {
  			connection = new JMXMonConnection(jmxUrl);
  			pool.put(jmxUrl, connection);
  		}
  		return connection.connect(attributes, wait);
  
  	}
docs: Try to get a connection to the specified jmx url
  @param jmxUrl the jmx url
  @param attributes jmx connection attributes
  @param wait if true wait the current thread until the end of the connection attempt
  @return a jmx connection