Program: 4450
Project: 4450
Buggy source:
/** 
 * Generates ID3Data from id3v2 data in the file.
 */
private static ID3Data parseID3v2Data(File file){
  ID3Data data=new ID3Data();
  ID3v2 id3v2Parser=null;
  try {
    id3v2Parser=new ID3v2(file);
  }
 catch (  ID3v2Exception idvx) {
    if (idvx instanceof ID3v2BadParsingException)     ErrorService.error(idvx);
    return data;
  }
catch (  IOException iox) {
    return data;
  }
  Vector frames=null;
  try {
    frames=id3v2Parser.getFrames();
  }
 catch (  NoID3v2TagException ntx) {
    return data;
  }
  for (Iterator iter=frames.iterator(); iter.hasNext(); ) {
    ID3v2Frame frame=(ID3v2Frame)iter.next();
    String frameID=frame.getID();
    byte[] contentBytes=frame.getContent();
    String frameContent=null;
    if (contentBytes.length > 0) {
      try {
        String enc=(frame.isISOLatin1()) ? ISO_LATIN_1 : UNICODE;
        frameContent=new String(contentBytes,enc).trim();
      }
 catch (      UnsupportedEncodingException err) {
      }
    }
    if (frameContent == null || frameContent.trim().equals("String_Node_Str"))     continue;
    if (ID3Editor.TITLE_ID.equals(frameID))     data.setTitle(frameContent);
 else     if (ID3Editor.ARTIST_ID.equals(frameID))     data.setArtist(frameContent);
 else     if (ID3Editor.ALBUM_ID.equals(frameID))     data.setAlbum(frameContent);
 else     if (ID3Editor.YEAR_ID.equals(frameID))     data.setYear(frameContent);
 else     if (ID3Editor.COMMENT_ID.equals(frameID)) {
      byte[] bytes=frame.getContent();
      int startIndex=0;
      for (int i=bytes.length - 1; i >= 0; i--) {
        if (bytes[i] != (byte)0)         continue;
        startIndex=i;
        break;
      }
      frameContent=new String(bytes,startIndex,bytes.length - startIndex).trim();
      data.setComment(frameContent);
    }
 else     if (ID3Editor.TRACK_ID.equals(frameID)) {
      try {
        data.setTrack(Short.parseShort(frameContent));
      }
 catch (      NumberFormatException ignored) {
      }
    }
 else     if (ID3Editor.GENRE_ID.equals(frameID)) {
      int startIndex=frameContent.indexOf("String_Node_Str");
      int endIndex=frameContent.indexOf("String_Node_Str");
      int genreCode=-1;
      if (startIndex > -1 && endIndex > -1) {
        String genreByte=frameContent.substring(startIndex + 1,endIndex);
        try {
          genreCode=Integer.parseInt(genreByte);
        }
 catch (        NumberFormatException nfx) {
          genreCode=-1;
        }
      }
      if (genreCode >= 0 && genreCode <= 127)       data.setGenre(getGenreString((short)genreCode));
 else       data.setGenre(frameContent);
    }
  }
  return data;
}

Fixed version (ground truth):
/** 
 * Generates ID3Data from id3v2 data in the file.
 */
private static ID3Data parseID3v2Data(File file){
  ID3Data data=new ID3Data();
  if (frameIDs == null) {
    makeFrameIDs();
    ID3v2.setFramesToCheck(frameIDs);
  }
  ID3v2 id3v2Parser=null;
  try {
    id3v2Parser=new ID3v2(file);
  }
 catch (  ID3v2Exception idvx) {
    if (idvx instanceof ID3v2BadParsingException)     ErrorService.error(idvx);
    return data;
  }
catch (  IOException iox) {
    return data;
  }
  Vector frames=null;
  try {
    frames=id3v2Parser.getFrames();
  }
 catch (  NoID3v2TagException ntx) {
    return data;
  }
  for (Iterator iter=frames.iterator(); iter.hasNext(); ) {
    ID3v2Frame frame=(ID3v2Frame)iter.next();
    String frameID=frame.getID();
    byte[] contentBytes=frame.getContent();
    String frameContent=null;
    if (contentBytes.length > 0) {
      try {
        String enc=(frame.isISOLatin1()) ? ISO_LATIN_1 : UNICODE;
        frameContent=new String(contentBytes,enc).trim();
      }
 catch (      UnsupportedEncodingException err) {
      }
    }
    if (frameContent == null || frameContent.trim().equals("String_Node_Str"))     continue;
    if (ID3Editor.TITLE_ID.equals(frameID))     data.setTitle(frameContent);
 else     if (ID3Editor.ARTIST_ID.equals(frameID))     data.setArtist(frameContent);
 else     if (ID3Editor.ALBUM_ID.equals(frameID))     data.setAlbum(frameContent);
 else     if (ID3Editor.YEAR_ID.equals(frameID))     data.setYear(frameContent);
 else     if (ID3Editor.COMMENT_ID.equals(frameID)) {
      byte[] bytes=frame.getContent();
      int startIndex=0;
      for (int i=bytes.length - 1; i >= 0; i--) {
        if (bytes[i] != (byte)0)         continue;
        startIndex=i;
        break;
      }
      frameContent=new String(bytes,startIndex,bytes.length - startIndex).trim();
      data.setComment(frameContent);
    }
 else     if (ID3Editor.TRACK_ID.equals(frameID)) {
      try {
        data.setTrack(Short.parseShort(frameContent));
      }
 catch (      NumberFormatException ignored) {
      }
    }
 else     if (ID3Editor.GENRE_ID.equals(frameID)) {
      int startIndex=frameContent.indexOf("String_Node_Str");
      int endIndex=frameContent.indexOf("String_Node_Str");
      int genreCode=-1;
      if (startIndex > -1 && endIndex > -1) {
        String genreByte=frameContent.substring(startIndex + 1,endIndex);
        try {
          genreCode=Integer.parseInt(genreByte);
        }
 catch (        NumberFormatException nfx) {
          genreCode=-1;
        }
      }
      if (genreCode >= 0 && genreCode <= 127)       data.setGenre(getGenreString((short)genreCode));
 else       data.setGenre(frameContent);
    }
  }
  return data;
}