}
if (this.loggingSet != null)
this.loggingSet = null;
XbNotifyHandler hh = XbNotifyHandler.instance();
hh.unregister(Level.WARNING.intValue(), this);
hh.unregister(Level.SEVERE.intValue(), this);
if (this.engineGlob != null && this.mbeanHandle != null)
this.engineGlob.unregisterMBean(this.mbeanHandle);
if (this.runlevelSet != null)