public static  void main(String[] argv) 
{
        try {
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        }
        catch (Exception e)
        {
            e.printStackTrace();
            System.out.println(e.toString());
        }
     Category rootLog = Category.getRoot();
        Layout layout = new PatternLayout("%p [%t] %c - %m%n");
        JDBCAppender appender = new JDBCAppender();
        appender.setLayout(layout);
        appender.setOption(JDBCAppender.URL_OPTION, "jdbc:odbc:someDB");
        appender.setOption(JDBCAppender.USER_OPTION, "auser");
        appender.setOption(JDBCAppender.PASSWORD_OPTION, "thepassword");
        rootLog.addAppender(appender);
        try {
            Category log = Category.getInstance("main");
            log.debug("Debug 1");
            Thread.sleep(500);
            log.info("info 1");
            Thread.sleep(500);
            log.warn("warn 1");
            Thread.sleep(500);
            log.error("error 1");
            Thread.sleep(500);
            log.fatal("fatal 1");
            Thread.sleep(500);
            appender.setOption(JDBCAppender.BUFFER_OPTION, "5");
            log.debug("Debug 2");
            Thread.sleep(500);
            log.info("info 2");
            Thread.sleep(500);
            log.warn("warn 2");
            Thread.sleep(500);
            log.error("error 2");
            Thread.sleep(500);
            log.fatal("fatal 2");
            Thread.sleep(500);
            appender.setOption(JDBCAppender.BUFFER_OPTION, "2");
            appender.setThreshold(Priority.WARN);
            log.debug("Debug 3");
            Thread.sleep(500);
            log.info("info 3");
            Thread.sleep(500);
            log.warn("warn 3");
            Thread.sleep(500);
            log.error("error 3");
            Thread.sleep(500);
            log.fatal("fatal 3");
        }
        catch (InterruptedException e)
        {
            System.out.println("Interrupted");
        }
}