code: public static void initJMXBean(JawrApplicationConfigManager appConfigMgr, ServletContext servletContext,
  			String resourceType, String mBeanPrefix) {
  
  		try {
  
  			MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
  
  			if (mbs != null) {
  
  				ObjectName jawrConfigMgrObjName = JmxUtils.getMBeanObjectName(servletContext, resourceType,
  						mBeanPrefix);
  
  				// register the jawrApplicationConfigManager if it's not already
  				// done
  				ObjectName appJawrMgrObjectName = JmxUtils.getAppJawrConfigMBeanObjectName(servletContext, mBeanPrefix);
  				if (!mbs.isRegistered(appJawrMgrObjectName)) {
  					mbs.registerMBean(appConfigMgr, appJawrMgrObjectName);
  				}
  
  				if (mbs.isRegistered(jawrConfigMgrObjName)) {
  					LOGGER.warn("The MBean '" + jawrConfigMgrObjName.getCanonicalName()
  							+ "' already exists. It will be unregisterd and registered with the new JawrConfigManagerMBean.");
  					mbs.unregisterMBean(jawrConfigMgrObjName);
  				}
  				JawrConfigManagerMBean configMgr = appConfigMgr.getConfigMgr(resourceType);
  				mbs.registerMBean(configMgr, jawrConfigMgrObjName);
  			}
  
  		} catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException
  				| InstanceNotFoundException e) {
  			LOGGER.error("Unable to instanciate the Jawr MBean for resource type '" + resourceType + "'", e);
  		}
  
  	}
docs: Initialize the JMX Bean
  
  @param appConfigMgr
  The application config manager
  @param servletContext
  the servlet context
  @param resourceType
  the resource type
  @param mBeanPrefix