public void preprocess(Run run) { File logFile = new File(getRunDir(run), "genetik.log"); try { SimpleFileHandler fh = new SimpleFileHandler(logFile); fh.setFormatter(new CompactFormatter()); Logger logger = Logger.getLogger(GenetikConstants.LOGGER); logger.setLevel(Level.INFO); logger.setUseParentHandlers(false); Handler handlers[] = logger.getHandlers(); logger.addHandler(fh); for (Handler h : handlers) { logger.removeHandler(h); if (h instanceof SimpleFileHandler) h.close(); // close our old one } } catch (Exception exp) { throw new IllegalArgumentException( "Unable to create log file at " + logFile.getAbsolutePath()); } super.preprocess(run); }