#vulnerable code 
                              public void load_torrent_created_by_utorrent() throws IOException, NoSuchAlgorithmException, URISyntaxException {
    Torrent t = Torrent.load(new File("src/test/resources/torrents/file1.jar.torrent"));
    assertEquals(new URI("http://localhost:6969/announce"), t.getAnnounceList().get(0).get(0));
    assertEquals("B92D38046C76D73948E14C42DF992CAF25489D08", t.getHexInfoHash());
    assertEquals("uTorrent/3130", t.getCreatedBy());
  } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                              public void load_torrent_created_by_utorrent() throws IOException, NoSuchAlgorithmException, URISyntaxException {
    Torrent t = Torrent.load(new File("src/test/resources/torrents/file1.jar.torrent"));
    assertEquals("http://localhost:6969/announce", t.getAnnounceList().get(0).get(0));
    assertEquals("B92D38046C76D73948E14C42DF992CAF25489D08", t.getHexInfoHash());
    assertEquals("uTorrent/3130", t.getCreatedBy());
  }