question: static void stopRefreshTimer ( ) { try { if ( refreshTimer != null && mbeanServer != null ) { mbeanServer . unregisterMBean ( refreshTimerObjectName ) ; refreshTimer . stop ( ) ; } } catch ( JMException e ) { logStackTrace ( Level . WARN , e ) ; } catch ( JMRuntimeException e ) { logStackTrace ( Level . WARN , e ) ; } catch ( Exception e ) { logStackTrace ( Level . DEBUG , e , "Failed to stop refresh timer for MBeanUtil" ) ; } }
target:  Initializes the timer for sending refresh notifications.