#fixed code
                                public void testAtomicLong() throws Exception
    {
        AtomicLong value = MAPPER.readValue("12345678901", AtomicLong.class);
        assertEquals(12345678901L, value.get());
    }
#vulnerable code 
                                public void testAtomicLong() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        AtomicLong value = mapper.readValue("12345678901", AtomicLong.class);
        assertEquals(12345678901L, value.get());
    } 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE