private static final Logger LOGGER = Logger.getLogger("edu.hse.java.logging.LogAll");
private static final Logger LOGGER2 = Logger.getLogger("edu.hse.java.logging.LogWarnings");
private static final Logger LOGGER3 = Logger.getLogger("edu.hse.java");
static void configureLogging () {
    LOGGER2.setLevel(Level.WARNING);
    LOGGER.setLevel(Level.ALL);
    Handler handler = new ConsoleHandler();
    handler.setFormatter(new XMLFormatter());
    handler.setLevel(Level.ALL);
    LOGGER3.addHandler(handler);
    LOGGER.addHandler(handler);
    LOGGER2.addHandler(handler);
    LOGGER3.setUseParentHandlers(false);
}