sm_logger.exiting( sm_className, methodName, sm_instance );
if( sm_instance == null ) sm_instance = new ConnectionManager( );  sm_logger.exiting( sm_className, methodName, sm_instance );
	public static ConnectionManager getInstance( ) throws IllegalStateException	{		String methodName = "getInstance";				sm_logger.entering( sm_className, methodName );		sm_logger.exiting( sm_className, methodName, sm_instance );				return sm_instance;	}