Program: 20799
Project: 20799
Buggy source:
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  progress.getBroadcaster().addListener(this);
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  String parameter=param.toString();
  if (parameter.contains("String_Node_Str")) {
    String picid=new Regex(parameter,"String_Node_Str").getMatch(0);
    parameter="String_Node_Str" + picid;
  }
  br.setFollowRedirects(false);
  parameter=parameter.replaceAll("String_Node_Str","String_Node_Str") + "String_Node_Str";
  br.getPage(parameter);
  if (br.containsHTML("String_Node_Str") || br.containsHTML("String_Node_Str") || br.containsHTML("String_Node_Str"))   throw new DecrypterException(JDL.L("String_Node_Str","String_Node_Str"));
  if (parameter.contains("String_Node_Str") || parameter.contains("String_Node_Str")) {
    String finallink=br.getRegex("String_Node_Str").getMatch(0);
    if (finallink == null)     return null;
    decryptedLinks.add(createDownloadlink("String_Node_Str" + finallink));
    return decryptedLinks;
  }
  String fpName=br.getRegex("String_Node_Str").getMatch(0);
  if (fpName == null) {
    fpName=br.getRegex("String_Node_Str").getMatch(0);
    if (fpName == null) {
      fpName=br.getRegex("String_Node_Str").getMatch(0);
      if (fpName == null) {
        fpName=br.getRegex("String_Node_Str").getMatch(0);
      }
    }
  }
  String pagepiece=br.getRegex("String_Node_Str").getMatch(0);
  if (pagepiece == null)   return null;
  String[] links=new Regex(pagepiece,"String_Node_Str").getColumn(0);
  if (links == null || links.length == 0)   return null;
  progress.setRange(links.length);
  for (  String link : links) {
    if (abort) {
      progress.setColor(Color.RED);
      progress.setStatusText(progress.getStatusText() + "String_Node_Str" + JDL.L("String_Node_Str","String_Node_Str"));
      progress.doFinalize(5000l);
      return new ArrayList<DownloadLink>();
    }
    link=link.replace("String_Node_Str","String_Node_Str");
    br.getPage(link + "String_Node_Str");
    String finallink=br.getRegex("String_Node_Str").getMatch(0);
    if (finallink == null)     return null;
    DownloadLink dl=createDownloadlink("String_Node_Str" + finallink);
    dl.setAvailable(true);
    decryptedLinks.add(dl);
    progress.increase(1);
  }
  if (fpName != null) {
    FilePackage fp=FilePackage.getInstance();
    fp.setName(fpName.trim());
    fp.addLinks(decryptedLinks);
  }
  return decryptedLinks;
}

Fixed version (ground truth):
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  try {
    progress.getBroadcaster().addListener(this);
  }
 catch (  Throwable e) {
  }
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  String parameter=param.toString();
  if (parameter.contains("String_Node_Str")) {
    String picid=new Regex(parameter,"String_Node_Str").getMatch(0);
    parameter="String_Node_Str" + picid;
  }
  br.setFollowRedirects(false);
  parameter=parameter.replaceAll("String_Node_Str","String_Node_Str") + "String_Node_Str";
  br.getPage(parameter);
  if (br.containsHTML("String_Node_Str") || br.containsHTML("String_Node_Str") || br.containsHTML("String_Node_Str"))   throw new DecrypterException(JDL.L("String_Node_Str","String_Node_Str"));
  if (parameter.contains("String_Node_Str") || parameter.contains("String_Node_Str")) {
    String finallink=br.getRegex("String_Node_Str").getMatch(0);
    if (finallink == null)     return null;
    decryptedLinks.add(createDownloadlink("String_Node_Str" + finallink));
    return decryptedLinks;
  }
  String fpName=br.getRegex("String_Node_Str").getMatch(0);
  if (fpName == null) {
    fpName=br.getRegex("String_Node_Str").getMatch(0);
    if (fpName == null) {
      fpName=br.getRegex("String_Node_Str").getMatch(0);
      if (fpName == null) {
        fpName=br.getRegex("String_Node_Str").getMatch(0);
      }
    }
  }
  String pagepiece=br.getRegex("String_Node_Str").getMatch(0);
  if (pagepiece == null)   return null;
  String[] links=new Regex(pagepiece,"String_Node_Str").getColumn(0);
  if (links == null || links.length == 0)   return null;
  progress.setRange(links.length);
  for (  String link : links) {
    if (abort) {
      progress.setColor(Color.RED);
      progress.setStatusText(progress.getStatusText() + "String_Node_Str" + JDL.L("String_Node_Str","String_Node_Str"));
      progress.doFinalize(5000l);
      return new ArrayList<DownloadLink>();
    }
    link=link.replace("String_Node_Str","String_Node_Str");
    br.getPage(link + "String_Node_Str");
    String finallink=br.getRegex("String_Node_Str").getMatch(0);
    if (finallink == null)     return null;
    DownloadLink dl=createDownloadlink("String_Node_Str" + finallink);
    dl.setAvailable(true);
    decryptedLinks.add(dl);
    progress.increase(1);
  }
  if (fpName != null) {
    FilePackage fp=FilePackage.getInstance();
    fp.setName(fpName.trim());
    fp.addLinks(decryptedLinks);
  }
  return decryptedLinks;
}