rootLogger.resetLogger();
  public synchronized void reset() throws SecurityException  {    /* Throw a SecurityException if the caller does not have the     * permission to control the logging infrastructure.     */    checkAccess();    properties = new Properties();    Iterator iter = loggers.values().iterator();    while (iter.hasNext())    {      WeakReference  ref;      Logger         logger;      ref = (WeakReference) iter.next();      if (ref != null)      {	logger = (Logger) ref.get();	if (logger == null)	  iter.remove();	else if (logger != rootLogger)	  logger.setLevel(null);      }    }    rootLogger.setLevel(Level.INFO);  }