output: #fixed code
                                  public <T> Future<List<T>> fetchAsync(final JsonObject criteria, final String pojo) {
          return JqFlow.create(this.analyzer, pojo).inputQrJAsync(criteria).compose(this.reader::fetchAsync);
      }
input: #vulnerable code 
                                  public <T> Future<List<T>> fetchAsync(final JsonObject criteria, final String pojo) {
          return this.reader.fetchAsync(criteria, JqFlow.create(this.analyzer, pojo));
      } 
                              #location 2 
                              #vulnerability type NULL_DEREFERENCE