in src/main/java/org/jetbrains/nativecerts/NativeTrustedRootsDebugMain.java [42:57]
private static void setupLogging(File logFile) throws IOException {
LogManager.getLogManager().reset();
SimpleFormatter formatter = new SimpleFormatter();
final ConsoleHandler consoleHandler = new ConsoleHandler();
consoleHandler.setLevel(Level.FINEST);
consoleHandler.setFormatter(formatter);
final StreamHandler fileHandler = new StreamHandler(new FileOutputStream(logFile), formatter);
fileHandler.setLevel(Level.FINEST);
rootLogger.setLevel(Level.FINEST);
rootLogger.addHandler(consoleHandler);
rootLogger.addHandler(fileHandler);
}