private static void configureDevelopmentLogging() {
		// Configure console logger
		devConsoleHandler = new ExtendedConsoleHandler();
		devConsoleHandler.setFormatter(new DevLogFormatter());
	
		// Configure file logger
	
		try {
			new File("./log").mkdir();
			devFileHandler = getFileHandler(true);
	
			if (DEV_MODE) {
				// log everything to the log file
				if(VERBOSE) {
					devFileHandler.setLevel(Level.ALL);
				} else {
					devFileHandler.setLevel(Level.FINE);
				}
			} else {
				// define the behavior of the development handler in productive
				// mode
				// log everything important into the dev log file
				if(VERBOSE) {
					devFileHandler.setLevel(Level.CONFIG);
				} else {
					devFileHandler.setLevel(Level.INFO);
				}
			}
		} catch (Exception e) {
			System.out.println("Es wird keine Protokolldatei erzeugt: "
					+ e.getMessage());
		}
	
		if (DEV_MODE) {
			// log more information on the console
			if (VERBOSE) {
				devConsoleHandler.setLevel(Level.ALL);
			} else {
				devConsoleHandler.setLevel(Level.INFO);
			}
		} else {
			// define the behavior of the development handler in productive mode
			devConsoleHandler.setLevel(Level.SEVERE); // show important errors
			// on the console
		}
	}