#vulnerable code 
                                @Test
    public void test1() {
        long l = System.currentTimeMillis() / 1000;
        LocalDateTime localDateTime = DateUtil.fromTimeStamp(l);
        System.out.printf(DateUtil.localDateTimeFormatyMdHms(localDateTime));
    } 
                            #location 5 
                            #vulnerability type CHECKERS_PRINTF_ARGS
#fixed code
                                @Test
    public void test1() {
        long l = System.currentTimeMillis() / 1000;
        LocalDateTime localDateTime = DateUtil.fromTimeStamp(l);
        System.out.print(DateUtil.localDateTimeFormatyMdHms(localDateTime));
    }