private static void initProperties() {
		try {
			FileInputStream inputStream = new FileInputStream(new File(DIR_PATH
					+ CONFIG_FILE_NAME));
			Properties properties = new Properties();
			properties.load(inputStream);
			PORT_TO_SERVE = Integer.parseInt((String) properties
					.get("servePort"));
		} catch (IOException e) {
			logger.error("There is an error when getPortToServe!");
		}
	}