Program: 81666
Project: 81666
Buggy source:
/** 
 * 步骤： 1、验证url的合法性。http://exhentai.org/g/446779/553f5c4086/ 2、分析url构造hentai@home下载地址,通过hentai@home获取图片数量（size）、漫画名(name)、漫画查看地址集合 3、开启采集picture真实下载路径的任务。 4、根据pictures集合开始下载图片，存放到saveDir/name/目录下
 * @throws SpiderException 
 * @throws WebClientException 
 * @throws ConnectTimeoutException 
 * @throws SocketTimeoutException 
 */
public static Task buildTask(String url,String saveDir,Setting setting,JDialog window) throws SpiderException, WebClientException, ConnectTimeoutException, SocketTimeoutException {
  CreatingWindow creatingWindow=(CreatingWindow)window;
  Task task=new Task(url,saveDir);
  task.setId(UUID.randomUUID().toString());
  String host=url.substring(0,url.indexOf(setting.getGidPrefix()));
  System.out.println("String_Node_Str" + host);
  String gid=Spider.substring(url,setting.getGidPrefix()).substring(0,Spider.substring(url,setting.getGidPrefix()).indexOf("String_Node_Str"));
  String t=Spider.substring(url,gid + "String_Node_Str").substring(0,Spider.substring(url,gid + "String_Node_Str").length()).replaceAll("String_Node_Str","String_Node_Str");
  String hentaiHomeUrl=host + "String_Node_Str" + setting.getHentaiHome().getUri()+ "String_Node_Str"+ setting.getHentaiHome().getFirstParameterName()+ "String_Node_Str"+ gid+ "String_Node_Str"+ setting.getHentaiHome().getSecondParameterName()+ "String_Node_Str"+ t;
  System.out.println("String_Node_Str" + hentaiHomeUrl);
  String hentaiHomeSource=WebClient.postRequestWithCookie(hentaiHomeUrl,setting.getCookieInfo());
  String total_=Spider.getTextFromSource(hentaiHomeSource,setting.getTotalPrefix(),"String_Node_Str");
  System.out.println("String_Node_Str" + total_);
  String name=Spider.getTextFromSource(hentaiHomeSource,setting.getNamePrefix(),"String_Node_Str");
  System.out.println("String_Node_Str" + name);
  creatingWindow.nameLabel.setText(creatingWindow.nameLabel.getText() + name);
  creatingWindow.totalLabel.setText(creatingWindow.totalLabel.getText() + total_);
  creatingWindow.nameLabel.setVisible(true);
  creatingWindow.totalLabel.setVisible(true);
  String fileList=Spider.getTextFromSource(hentaiHomeSource,setting.getFileListPrefix(),setting.getFileListSuffix());
  int total=Integer.parseInt(total_.trim());
  creatingWindow.bar.setMaximum(total);
  List<Picture> pictures=getPictures(task,fileList,total);
  setPicturesUrl(url,pictures,setting,creatingWindow);
  task.setTotal(total);
  task.setName(name);
  task.setSaveDir(saveDir + "String_Node_Str" + name);
  task.setPictures(pictures);
  return task;
}

Fixed version (ground truth):
/** 
 * 步骤： 1、验证url的合法性。http://exhentai.org/g/446779/553f5c4086/ 2、分析url构造hentai@home下载地址,通过hentai@home获取图片数量（size）、漫画名(name)、漫画查看地址集合 3、开启采集picture真实下载路径的任务。 4、根据pictures集合开始下载图片，存放到saveDir/name/目录下
 * @throws SpiderException 
 * @throws WebClientException 
 * @throws ConnectTimeoutException 
 * @throws SocketTimeoutException 
 */
public static Task buildTask(String url,String saveDir,Setting setting,JDialog window) throws SpiderException, WebClientException, ConnectTimeoutException, SocketTimeoutException {
  CreatingWindow creatingWindow=(CreatingWindow)window;
  Task task=new Task(url,saveDir);
  task.setId(UUID.randomUUID().toString());
  String host=url.substring(0,url.indexOf(setting.getGidPrefix()));
  System.out.println("String_Node_Str" + host);
  String gid=Spider.substring(url,setting.getGidPrefix()).substring(0,Spider.substring(url,setting.getGidPrefix()).indexOf("String_Node_Str"));
  String t=Spider.substring(url,gid + "String_Node_Str").substring(0,Spider.substring(url,gid + "String_Node_Str").length()).replaceAll("String_Node_Str","String_Node_Str");
  String hentaiHomeUrl=host + "String_Node_Str" + setting.getHentaiHome().getUri()+ "String_Node_Str"+ setting.getHentaiHome().getFirstParameterName()+ "String_Node_Str"+ gid+ "String_Node_Str"+ setting.getHentaiHome().getSecondParameterName()+ "String_Node_Str"+ t;
  System.out.println("String_Node_Str" + hentaiHomeUrl);
  String hentaiHomeSource=WebClient.postRequestWithCookie(hentaiHomeUrl,setting.getCookieInfo());
  String total_=Spider.getTextFromSource(hentaiHomeSource,setting.getTotalPrefix(),"String_Node_Str");
  System.out.println("String_Node_Str" + total_);
  String name=Spider.getTextFromSource(hentaiHomeSource,setting.getNamePrefix(),"String_Node_Str");
  System.out.println("String_Node_Str" + name);
  if (total_ == null || name == null) {
    return null;
  }
  creatingWindow.nameLabel.setText(creatingWindow.nameLabel.getText() + name);
  creatingWindow.totalLabel.setText(creatingWindow.totalLabel.getText() + total_);
  creatingWindow.nameLabel.setVisible(true);
  creatingWindow.totalLabel.setVisible(true);
  String fileList=Spider.getTextFromSource(hentaiHomeSource,setting.getFileListPrefix(),setting.getFileListSuffix());
  int total=Integer.parseInt(total_.trim());
  creatingWindow.bar.setMaximum(total);
  List<Picture> pictures=getPictures(task,fileList,total);
  setPicturesUrl(url,pictures,setting,creatingWindow);
  task.setTotal(total);
  task.setName(name);
  task.setSaveDir(saveDir + "String_Node_Str" + name);
  task.setPictures(pictures);
  return task;
}