output: #fixed code
                                  @Test
      public void testEmptyLineBehaviourExcel() throws Exception {
          String[] codes = {
                  "hello,\r\n\r\n\r\n",
                  "hello,\n\n\n",
                  "hello,\"\"\r\n\r\n\r\n",
                  "hello,\"\"\n\n\n"
          };
          String[][] res = {
                  {"hello", ""},
                  {""},  // Excel format does not ignore empty lines
                  {""}
          };
          for (String code : codes) {
              CSVParser parser = new CSVParser(code, CSVFormat.EXCEL);
              List<CSVRecord> records = parser.getRecords();
              assertEquals(res.length, records.size());
              assertTrue(records.size() > 0);
              for (int i = 0; i < res.length; i++) {
                  assertTrue(Arrays.equals(res[i], records.get(i).values()));
              }
          }
      }
input: #vulnerable code 
                                  @Test
      public void testEmptyLineBehaviourExcel() throws Exception {
          String[] codes = {
                  "hello,\r\n\r\n\r\n",
                  "hello,\n\n\n",
                  "hello,\"\"\r\n\r\n\r\n",
                  "hello,\"\"\n\n\n"
          };
          String[][] res = {
                  {"hello", ""},
                  {""},  // Excel format does not ignore empty lines
                  {""}
          };
          for (String code : codes) {
              CSVParser parser = new CSVParser(code, CSVFormat.EXCEL);
              String[][] tmp = parser.getRecords();
              assertEquals(res.length, tmp.length);
              assertTrue(tmp.length > 0);
              for (int i = 0; i < res.length; i++) {
                  assertTrue(Arrays.equals(res[i], tmp[i]));
              }
          }
      } 
                              #location 17 
                              #vulnerability type NULL_DEREFERENCE