output: #fixed code
                                  @Test
      public void testGetPropertyType() throws Exception {
          assertThat(TypeUtil.getPropertyType(A.class, "b.i", "1").equals(Integer.class), equalTo(true));
          assertThat(TypeUtil.getPropertyType(A.class, "s", "2").equals(String.class), equalTo(true));
          TypeUtil.getPropertyType(A.class, "b.j", "3");
      }
input: #vulnerable code 
                                  @Test
      public void testGetPropertyType() throws Exception {
          assertThat(TypeUtil.getPropertyType(A.class, "b.i").equals(Integer.class), equalTo(true));
          assertThat(TypeUtil.getPropertyType(A.class, "s").equals(String.class), equalTo(true));
      } 
                              #location 3 
                              #vulnerability type NULL_DEREFERENCE