Program: 21395
Project: 21395
Buggy source:
private Vector<String> ContainerLinks(String url){
  Vector<String> links=new Vector<String>();
  boolean fileDownloaded=false;
  if (!url.startsWith("String_Node_Str"))   url="String_Node_Str" + url;
  try {
    RequestInfo reqinfo=getRequest(new URL(url));
    String cookie=reqinfo.getCookie();
    File captchaFile=null;
    String capTxt=null;
    while (true) {
      Matcher matcher=patternCaptcha.matcher(reqinfo.getHtmlCode());
      if (matcher.find()) {
        if (captchaFile != null && capTxt != null) {
          JDUtilities.appendInfoToFilename(captchaFile,capTxt,false);
        }
        Vector<Vector<String>> gifs=getAllSimpleMatches(reqinfo.getHtmlCode(),patternCaptcha);
        String captchaAdress="String_Node_Str" + gifs.firstElement().get(1);
        captchaFile=getLocalCaptchaFile(this,"String_Node_Str");
        fileDownloaded=JDUtilities.download(captchaFile,getRequestWithoutHtmlCode(new URL(captchaAdress),cookie,null,true).getConnection());
        if (!fileDownloaded || !captchaFile.exists() || captchaFile.length() == 0) {
          logger.severe("String_Node_Str");
          try {
            Thread.sleep(1000);
            reqinfo=getRequest(new URL(url));
            cookie=reqinfo.getCookie();
          }
 catch (          InterruptedException e) {
          }
          continue;
        }
        capTxt=Plugin.getCaptchaCode(captchaFile,this);
        reqinfo=postRequest(new URL(url),"String_Node_Str" + matcher.group(1) + "String_Node_Str"+ capTxt+ "String_Node_Str");
      }
 else {
        if (captchaFile != null && capTxt != null) {
          JDUtilities.appendInfoToFilename(captchaFile,capTxt,true);
        }
        break;
      }
    }
    if (reqinfo.getLocation() != null) {
      links.add(reqinfo.getLocation());
    }
    Vector<Vector<String>> links1=getAllSimpleMatches(reqinfo.getHtmlCode(),"String_Node_Str");
    for (int i=0; i < links1.size(); i++) {
      reqinfo=getRequest(new URL(links1.get(i).get(0)));
      reqinfo=getRequest(new URL(getBetween(reqinfo.getHtmlCode(),"String_Node_Str","String_Node_Str")));
      links.add(reqinfo.getLocation());
    }
  }
 catch (  IOException e) {
    e.printStackTrace();
  }
  return links;
}

Fixed version (ground truth):
private Vector<String> ContainerLinks(String url){
  Vector<String> links=new Vector<String>();
  boolean fileDownloaded=false;
  if (!url.startsWith("String_Node_Str"))   url="String_Node_Str" + url;
  try {
    RequestInfo reqinfo=getRequest(new URL(url));
    String cookie=reqinfo.getCookie();
    File captchaFile=null;
    String capTxt=null;
    while (true) {
      Matcher matcher=patternCaptcha.matcher(reqinfo.getHtmlCode());
      if (matcher.find()) {
        if (captchaFile != null && capTxt != null) {
          JDUtilities.appendInfoToFilename(captchaFile,capTxt,false);
        }
        Vector<Vector<String>> gifs=getAllSimpleMatches(reqinfo.getHtmlCode(),patternCaptcha);
        String captchaAdress="String_Node_Str" + gifs.firstElement().get(1);
        captchaFile=getLocalCaptchaFile(this,"String_Node_Str");
        fileDownloaded=JDUtilities.download(captchaFile,getRequestWithoutHtmlCode(new URL(captchaAdress),cookie,null,true).getConnection());
        if (!fileDownloaded || !captchaFile.exists() || captchaFile.length() == 0) {
          logger.severe("String_Node_Str");
          try {
            Thread.sleep(1000);
            reqinfo=getRequest(new URL(url));
            cookie=reqinfo.getCookie();
          }
 catch (          InterruptedException e) {
          }
          continue;
        }
        capTxt=Plugin.getCaptchaCode(captchaFile,this);
        reqinfo=postRequest(new URL(url),"String_Node_Str" + matcher.group(1) + "String_Node_Str"+ capTxt+ "String_Node_Str");
      }
 else {
        if (captchaFile != null && capTxt != null) {
          JDUtilities.appendInfoToFilename(captchaFile,capTxt,true);
        }
        break;
      }
    }
    if (reqinfo.getLocation() != null) {
      links.add(reqinfo.getLocation());
    }
    Pattern pattern=Pattern.compile("String_Node_Str",Pattern.CASE_INSENSITIVE);
    Matcher matcher=pattern.matcher(reqinfo.getHtmlCode());
    while (matcher.find()) {
      reqinfo=getRequest(new URL(matcher.group(1)));
      reqinfo=getRequest(new URL(getBetween(reqinfo.getHtmlCode(),"String_Node_Str","String_Node_Str")));
      String loc=reqinfo.getLocation();
      if (loc != null)       links.add(loc);
    }
  }
 catch (  IOException e) {
    e.printStackTrace();
  }
  return links;
}