Program: 21050
Project: 21050
Buggy source:
public static Vector<CPoint> getColors(File folder,String hoster,Vector<CPoint> c){
  File file=new File(JDUtilities.getJDHomeDirectoryFromEnvironment() + "String_Node_Str" + JDUtilities.getJACMethodsDirectory()+ hoster+ "String_Node_Str");
  File[] list=folder.listFiles();
  Captcha[] cs=new Captcha[15 < list.length ? 15 : list.length];
  JAntiCaptcha jac=new JAntiCaptcha(Utilities.getMethodDir(),"String_Node_Str");
  if (c == null)   c=load(file);
  ColorTrainer lastCC=null;
  for (int i=0; i < cs.length; i++) {
    File captchafile=list[i];
    Image captchaImage=Utilities.loadImage(captchafile);
    if (captchaImage == null)     continue;
    Captcha captcha=jac.createCaptcha(captchaImage);
    if (captcha == null)     continue;
    EasyFile ef=new EasyFile(file.getParent());
    BackGroundImageTrainer bgit=new BackGroundImageTrainer(ef.getName());
    bgit.captchaImage=captcha;
    bgit.load();
    bgit.clearCaptcha();
    captcha.setCaptchaFile(captchafile);
    cs[i]=captcha;
    final ColorTrainer cc=new ColorTrainer();
    cc.ret=c;
    if (lastCC != null) {
      final ColorTrainer last=lastCC;
      cc.fastSelection=lastCC.fastSelection;
      cc.foreground=lastCC.foreground;
      cc.add=lastCC.add;
      cc.ret=lastCC.ret;
      cc.tollerance=lastCC.tollerance;
      new GuiRunnable<Object>(){
        public Object runSave(){
          cc.mode.setSelectedItem(last.mode.getSelectedItem());
          return null;
        }
      }
.waitForEDT();
    }
    cc.init(captcha);
synchronized (cc) {
      try {
        cc.wait();
      }
 catch (      InterruptedException e) {
        e.printStackTrace();
      }
    }
    lastCC=cc;
    if (cc.close)     break;
  }
  if (new GuiRunnable<Boolean>(){
    public Boolean runSave(){
      return JOptionPane.showConfirmDialog(null,JDL.L("String_Node_Str","String_Node_Str"),JDL.L("String_Node_Str","String_Node_Str"),JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;
    }
  }
.getReturnValue())   saveColors(c,file);
  return c;
}

Fixed version (ground truth):
public static Vector<CPoint> getColors(File folder,String hoster,Vector<CPoint> c){
  File file=new File(JDUtilities.getJDHomeDirectoryFromEnvironment() + "String_Node_Str" + JDUtilities.getJACMethodsDirectory()+ hoster+ "String_Node_Str");
  File[] list=folder.listFiles();
  Captcha[] cs=new Captcha[15 < list.length ? 15 : list.length];
  JAntiCaptcha jac=new JAntiCaptcha(Utilities.getMethodDir(),"String_Node_Str");
  if (c == null)   c=load(file);
  ColorTrainer lastCC=null;
  for (int i=0; i < cs.length; i++) {
    File captchafile=list[i];
    Image captchaImage=Utilities.loadImage(captchafile);
    if (captchaImage == null)     continue;
    Captcha captcha=jac.createCaptcha(captchaImage);
    if (captcha == null)     continue;
    EasyFile ef=new EasyFile(file.getParent());
    BackGroundImageTrainer bgit=new BackGroundImageTrainer(ef.getName());
    bgit.captchaImage=captcha;
    bgit.load();
    bgit.clearCaptcha();
    captcha.setCaptchaFile(captchafile);
    cs[i]=captcha;
    final ColorTrainer cc=new ColorTrainer();
    cc.ret=c;
    if (lastCC != null) {
      final ColorTrainer last=lastCC;
      cc.fastSelection=lastCC.fastSelection;
      cc.foreground=lastCC.foreground;
      cc.add=lastCC.add;
      cc.tollerance=lastCC.tollerance;
      new GuiRunnable<Object>(){
        public Object runSave(){
          cc.mode.setSelectedItem(last.mode.getSelectedItem());
          return null;
        }
      }
.waitForEDT();
    }
    cc.init(captcha);
synchronized (cc) {
      try {
        cc.wait();
      }
 catch (      InterruptedException e) {
        e.printStackTrace();
      }
    }
    lastCC=cc;
    c=cc.ret;
    if (cc.close)     break;
  }
  if (new GuiRunnable<Boolean>(){
    public Boolean runSave(){
      return JOptionPane.showConfirmDialog(null,JDL.L("String_Node_Str","String_Node_Str"),JDL.L("String_Node_Str","String_Node_Str"),JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;
    }
  }
.getReturnValue())   saveColors(c,file);
  return c;
}