Logger logger = Logger.getLogger("MyLog"); logger.setUseParentHandlers(false); FileHandler fh; try { // This block configure the logger with handler and formatter boolean append = true; fh = new FileHandler("C:/Users/Home/Desktop/log_test.log", append); logger.addHandler(fh); SimpleFormatter formatter = new SimpleFormatter(); fh.setFormatter(formatter); } catch (SecurityException ex) { ex.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } logger.info(nick + " issued command '" + message + "' in channel " + Channel);