Program: 81638
Project: 81638
Buggy source:
public GroupList(List<File> groups,final GroupWindow window,final EgDownloaderWindow mainWindow){
  this.setModel(new GroupListModel(groups));
  this.setCursor(CursorManager.getPointerCursor());
  this.setForeground(Color.BLUE);
  this.addMouseListener(new MouseListener(){
    public void mouseReleased(    MouseEvent arg0){
    }
    public void mousePressed(    MouseEvent arg0){
    }
    public void mouseExited(    MouseEvent arg0){
    }
    public void mouseEntered(    MouseEvent arg0){
    }
    public void mouseClicked(    MouseEvent me){
      int clickNum=me.getClickCount();
      GroupList list=(GroupList)me.getSource();
      if (me.getButton() == MouseEvent.BUTTON1) {
        if (2 == clickNum) {
          String groupName="String_Node_Str";
          if (list.getSelectedIndex() != 0) {
            groupName=list.getSelectedValue().toString();
            if (groupName.indexOf("String_Node_Str") != -1) {
              groupName=groupName.substring(groupName.indexOf("String_Node_Str") + 1,groupName.length()).trim();
            }
          }
          if (mainWindow != null && groupName.equals(ComponentConst.groupName)) {
            window.dispose();
            return;
          }
          if (mainWindow != null) {
            mainWindow.saveTaskGroupData();
            mainWindow.dispose();
          }
          ComponentConst.groupName=groupName;
          ComponentConst.changeDataPath(groupName);
          ComponentConst.changeDataXmlPath();
          window.dispose();
          if (mainWindow != null) {
            SettingDom4jDbTemplate.updateDom();
            TaskDom4jDbTemplate.updateDom();
            PictureDom4jDbTemplate.updateDom();
          }
          new InitWindow();
        }
      }
 else       if (me.getButton() == MouseEvent.BUTTON3) {
        int rowIndex=list.locationToIndex(me.getPoint());
        list.getSelectionModel().setSelectionInterval(rowIndex,rowIndex);
        if (popupMenu == null) {
          popupMenu=new AJPopupMenu(deleteMenu);
        }
        popupMenu.show(list,me.getPoint().x,me.getPoint().y);
      }
    }
  }
);
  final GroupList this_=this;
  deleteMenu.addActionListener(new ActionListener(){
    public void actionPerformed(    ActionEvent e){
      if (this_.getSelectedIndex() == 0) {
        JOptionPane.showMessageDialog(this_,"String_Node_Str");
      }
 else {
        String name=this_.getSelectedValue().toString();
        if (name.indexOf("String_Node_Str") != -1) {
          name=name.substring(name.indexOf("String_Node_Str") + 1,name.length()).trim();
        }
        int r=JOptionPane.showConfirmDialog(this_,"String_Node_Str" + name + "String_Node_Str");
        if (r == JOptionPane.OK_OPTION) {
          if (mainWindow != null && name.equals(ComponentConst.groupName)) {
            mainWindow.dispose();
          }
          File file=new File(ComponentConst.ROOT_DATA_PATH + "String_Node_Str" + name);
          if (file.exists()) {
            FileUtil.deleteFile(file);
          }
          File dataFile=new File(ComponentConst.ROOT_DATA_PATH);
          if (!dataFile.exists()) {
            dataFile.mkdirs();
            if (window != null) {
              window.dispose();
            }
            ComponentConst.groupName="String_Node_Str";
            ComponentConst.changeDataPath("String_Node_Str");
            ComponentConst.changeDataXmlPath();
            SettingDom4jDbTemplate.updateDom();
            TaskDom4jDbTemplate.updateDom();
            PictureDom4jDbTemplate.updateDom();
            new InitWindow();
          }
 else {
            File[] files=dataFile.listFiles();
            List<File> groups=new ArrayList<File>();
            for (            File file2 : files) {
              if (file2.isDirectory()) {
                groups.add(file2);
              }
            }
            if (groups.size() > 0) {
              this_.setModel(new GroupListModel(groups));
              this_.updateUI();
            }
 else {
              if (window != null) {
                window.dispose();
              }
              ComponentConst.groupName="String_Node_Str";
              ComponentConst.changeDataPath("String_Node_Str");
              ComponentConst.changeDataXmlPath();
              SettingDom4jDbTemplate.updateDom();
              TaskDom4jDbTemplate.updateDom();
              PictureDom4jDbTemplate.updateDom();
              new InitWindow();
            }
          }
        }
      }
    }
  }
);
}

Fixed version (ground truth):
public GroupList(List<File> groups,final GroupWindow window,final EgDownloaderWindow mainWindow){
  this.setModel(new GroupListModel(groups));
  this.setCursor(CursorManager.getPointerCursor());
  this.setForeground(Color.BLUE);
  this.addMouseListener(new MouseListener(){
    public void mouseReleased(    MouseEvent arg0){
    }
    public void mousePressed(    MouseEvent arg0){
    }
    public void mouseExited(    MouseEvent arg0){
    }
    public void mouseEntered(    MouseEvent arg0){
    }
    public void mouseClicked(    MouseEvent me){
      int clickNum=me.getClickCount();
      GroupList list=(GroupList)me.getSource();
      if (me.getButton() == MouseEvent.BUTTON1) {
        if (2 == clickNum) {
          String groupName="String_Node_Str";
          if (list.getSelectedIndex() != 0) {
            groupName=list.getSelectedValue().toString();
            if (groupName.indexOf("String_Node_Str") != -1) {
              groupName=groupName.substring(groupName.indexOf("String_Node_Str") + 1,groupName.length()).trim();
            }
          }
          if (mainWindow != null && groupName.equals(ComponentConst.groupName)) {
            window.dispose();
            return;
          }
          if (mainWindow != null) {
            mainWindow.saveTaskGroupData();
            mainWindow.dispose();
          }
          ComponentConst.groupName=groupName;
          ComponentConst.changeDataPath(groupName);
          ComponentConst.changeDataXmlPath();
          window.dispose();
          if (mainWindow != null) {
            SettingDom4jDbTemplate.updateDom();
            TaskDom4jDbTemplate.updateDom();
            PictureDom4jDbTemplate.updateDom();
          }
          SwingUtilities.invokeLater(new Runnable(){
            public void run(){
              new InitWindow();
            }
          }
);
        }
      }
 else       if (me.getButton() == MouseEvent.BUTTON3) {
        int rowIndex=list.locationToIndex(me.getPoint());
        list.getSelectionModel().setSelectionInterval(rowIndex,rowIndex);
        if (popupMenu == null) {
          popupMenu=new AJPopupMenu(deleteMenu);
        }
        popupMenu.show(list,me.getPoint().x,me.getPoint().y);
      }
    }
  }
);
  final GroupList this_=this;
  deleteMenu.addActionListener(new ActionListener(){
    public void actionPerformed(    ActionEvent e){
      if (this_.getSelectedIndex() == 0) {
        JOptionPane.showMessageDialog(this_,"String_Node_Str");
      }
 else {
        String name=this_.getSelectedValue().toString();
        if (name.indexOf("String_Node_Str") != -1) {
          name=name.substring(name.indexOf("String_Node_Str") + 1,name.length()).trim();
        }
        int r=JOptionPane.showConfirmDialog(this_,"String_Node_Str" + name + "String_Node_Str");
        if (r == JOptionPane.OK_OPTION) {
          if (mainWindow != null && name.equals(ComponentConst.groupName)) {
            mainWindow.saveTaskGroupData();
            mainWindow.dispose();
          }
          File file=new File(ComponentConst.ROOT_DATA_PATH + "String_Node_Str" + name);
          if (file.exists()) {
            FileUtil.deleteFile(file);
          }
          File dataFile=new File(ComponentConst.ROOT_DATA_PATH);
          if (!dataFile.exists()) {
            dataFile.mkdirs();
            if (window != null) {
              window.dispose();
            }
            ComponentConst.groupName="String_Node_Str";
            ComponentConst.changeDataPath("String_Node_Str");
            ComponentConst.changeDataXmlPath();
            SettingDom4jDbTemplate.updateDom();
            TaskDom4jDbTemplate.updateDom();
            PictureDom4jDbTemplate.updateDom();
            SwingUtilities.invokeLater(new Runnable(){
              public void run(){
                new InitWindow();
              }
            }
);
          }
 else {
            File[] files=dataFile.listFiles();
            List<File> groups=new ArrayList<File>();
            for (            File file2 : files) {
              if (file2.isDirectory()) {
                groups.add(file2);
              }
            }
            if (groups.size() > 0) {
              this_.setModel(new GroupListModel(groups));
              this_.updateUI();
            }
 else {
              if (window != null) {
                window.dispose();
              }
              ComponentConst.groupName="String_Node_Str";
              ComponentConst.changeDataPath("String_Node_Str");
              ComponentConst.changeDataXmlPath();
              SettingDom4jDbTemplate.updateDom();
              TaskDom4jDbTemplate.updateDom();
              PictureDom4jDbTemplate.updateDom();
              SwingUtilities.invokeLater(new Runnable(){
                public void run(){
                  new InitWindow();
                }
              }
);
            }
          }
        }
      }
    }
  }
);
}