docs: public void start() {
          ObjectName beanName = null;
          try {
              MBeanServer server = ManagementFactory.getPlatformMBeanServer();
              beanName = getObjectName();
              server.registerMBean(this, beanName);
          } catch (InstanceAlreadyExistsException e) {
              LOGGER.warn(JcrI18n.mBeanAlreadyRegistered, beanName);
          } catch (Exception e) {
              LOGGER.error(e, JcrI18n.cannotRegisterMBean, beanName);
          }
      }