private PrintStream getPrintStream() {
		PrintStream serverResponse = null;
		try {
			serverResponse = new PrintStream(
					this.clientSocket.getOutputStream());
			this.log.info("CREATE PrintStream: " + serverResponse.toString());
		} catch (IOException e1) {
			closeClientSocket();
			serverResponse = null;
			this.log.info("ClientHandler " + id + " finish");
		}
		return serverResponse;
	}