private static BufferedReader createInputMessageReceiver(Socket clientSocket) {
		BufferedReader messageReceiver = null;
		try {
			messageReceiver = new BufferedReader(new InputStreamReader(
					clientSocket.getInputStream()));
			log.info("Create BufferedReader from clientSocket");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			log.severe("Create BufferedReader from clientSocket: fail");
		}
		return messageReceiver;
	}