if ( url == null ) throw new NullPointerException("getConnection: url is null "); if ( logger.isLoggable( Level.FINE )) logger.fine("Request JDBC Connection: driverClass=" + (driverClass == null? "" : driverClass) + "; url=" + url);
	public Connection getConnection( String driverClass, String url, 			Properties connectionProperties ) throws SQLException, ClassNotFoundException	{		loadAndRegisterDriver(driverClass);		return DriverManager.getConnection( url, connectionProperties );	}