try {
            this.jmxConnector = JMXConnectorFactory.connect(serviceURL, auth);
            if (this.jmxConnector != null) {
                MBeanServerConnection mbs = this.jmxConnector.getMBeanServerConnection();
                if (mbs != null) {
                    this.mbs = mbs;
                }
            }
        } catch (IOException e) {
            connected = false;
        }

private Map<String, Object> getAttributesForMBean(ObjectName objectName, List<String> attributeNames) {

         HashMap<String, Object> attributeMap = new HashMap<String, Object>();
        for (String attributeName : attributeNames) {
            Object attributeValue = null;
            if (this.hasAttribute(objectName, attributeName)) {
                try {
                    attributeValue = this.mbs.getAttribute(objectName, attributeName);
                } catch (Exception e) {
                    logger.warn("In getAttributes(), for " + objectName + ": " , e);
                }
            }
            attributeMap.put(attributeName, attributeValue);
        }
        return attributeMap;
    }