Program: 78402
Project: 78402
Buggy source:
/** 
 * inizializza le componenti dell'interfaccia
 */
private void initComponents(){
  int i=0;
  panelOut.setLayout(new BorderLayout());
  panelContainer=new JPanel();
  panelContainer=new JPanel(gridLayout);
  panelContainer.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  panelButton=new JPanel();
  addDogButton=new JButton("String_Node_Str");
  addDogButton.addActionListener(new ActionListener(){
    @Override public void actionPerformed(    ActionEvent e){
      GUIAddDog guiAddDog=new GUIAddDog(email);
      guiAddDog.setVisible(true);
      dispose();
    }
  }
);
  HashSet<Dog> dogListEnabled=new HashSet<>();
  for (  Dog dog : dogList) {
    if (dog.isEnabled()) {
      dogListEnabled.add(dog);
    }
  }
  for (  Dog dog : dogListEnabled) {
    dogBoxes[i]=new DogBox(dog.getName(),"String_Node_Str","String_Node_Str");
    dogBoxes[i].getInfoButton().addActionListener(new ActionListener(){
      @Override public void actionPerformed(      ActionEvent e){
        GUIDogInfo dogInfo=new GUIDogInfo(dog,email);
        dogInfo.setVisible(true);
        dispose();
      }
    }
);
    dogBoxes[i].getDisableButton().addActionListener(new ActionListener(){
      @Override public void actionPerformed(      ActionEvent e){
        if (proxy.disableDog(dog.getID())) {
          JOptionPane.showMessageDialog(new Frame(),dog.getName() + "String_Node_Str","String_Node_Str",JOptionPane.INFORMATION_MESSAGE);
          dispose();
        }
      }
    }
);
    panelContainer.add(dogBoxes[i]);
    gridLayout.setRows(gridLayout.getRows() + 1);
    i++;
  }
  panelButton.add(addDogButton);
  panelButton.setBorder(BorderFactory.createEmptyBorder(5,5,20,5));
  dogScroll=new JScrollPane(panelContainer);
  dogScroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
  dogScroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
  panelOut.add(dogScroll,BorderLayout.CENTER);
  panelOut.add(panelButton,BorderLayout.SOUTH);
  add(panelOut);
}

Fixed version (ground truth):
/** 
 * inizializza le componenti dell'interfaccia
 */
private void initComponents(){
  int i=0;
  panelOut.setLayout(new BorderLayout());
  panelContainer=new JPanel();
  panelContainer=new JPanel(gridLayout);
  panelContainer.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  panelButton=new JPanel();
  addDogButton=new JButton("String_Node_Str");
  addDogButton.addActionListener(new ActionListener(){
    @Override public void actionPerformed(    ActionEvent e){
      GUIAddDog guiAddDog=new GUIAddDog(email,guiDogs);
      guiAddDog.setVisible(true);
    }
  }
);
  HashSet<Dog> dogListEnabled=new HashSet<>();
  for (  Dog dog : dogList) {
    if (dog.isEnabled()) {
      dogListEnabled.add(dog);
    }
  }
  for (  Dog dog : dogListEnabled) {
    dogBoxes[i]=new DogBox(dog.getName(),"String_Node_Str","String_Node_Str");
    dogBoxes[i].getInfoButton().addActionListener(new ActionListener(){
      @Override public void actionPerformed(      ActionEvent e){
        GUIDogInfo dogInfo=new GUIDogInfo(dog,email,guiDogs);
        dogInfo.setVisible(true);
      }
    }
);
    dogBoxes[i].getDisableButton().addActionListener(new ActionListener(){
      @Override public void actionPerformed(      ActionEvent e){
        if (proxy.disableDog(dog.getID())) {
          JOptionPane.showMessageDialog(new Frame(),dog.getName() + "String_Node_Str","String_Node_Str",JOptionPane.INFORMATION_MESSAGE);
          guiDogs.dispatchEvent(new WindowEvent(guiDogs,WindowEvent.WINDOW_CLOSING));
        }
      }
    }
);
    panelContainer.add(dogBoxes[i]);
    gridLayout.setRows(gridLayout.getRows() + 1);
    i++;
  }
  panelButton.add(addDogButton);
  panelButton.setBorder(BorderFactory.createEmptyBorder(5,5,20,5));
  dogScroll=new JScrollPane(panelContainer);
  dogScroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
  dogScroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
  panelOut.add(dogScroll,BorderLayout.CENTER);
  panelOut.add(panelButton,BorderLayout.SOUTH);
  add(panelOut);
}