Program: 21546
Project: 21546
Buggy source:
/** 
 * this function will init and show the dialog
 */
private void _init(){
  layoutDialog();
  setTitle(title);
  dont:   if (BinaryLogic.containsAll(this.flagMask,Dialog.STYLE_SHOW_DO_NOT_DISPLAY_AGAIN)) {
    try {
      final int i=BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_DELETE_ON_EXIT) ? AbstractDialog.getSessionDontShowAgainValue(this.getDontShowAgainKey()) : JSonStorage.getStorage("String_Node_Str").get(this.getDontShowAgainKey(),-1);
      if (i >= 0) {
        int ret=i & (Dialog.RETURN_OK | Dialog.RETURN_CANCEL);
        ret|=Dialog.RETURN_DONT_SHOW_AGAIN | Dialog.RETURN_SKIPPED_BY_DONT_SHOW;
        if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_IGNORES_CANCEL) && BinaryLogic.containsAll(ret,Dialog.RETURN_CANCEL)) {
          break dont;
        }
        if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_IGNORES_OK) && BinaryLogic.containsAll(ret,Dialog.RETURN_OK)) {
          break dont;
        }
        this.returnBitMask=ret;
        return;
      }
    }
 catch (    final Exception e) {
      Log.exception(e);
    }
  }
  try {
    if (Dialog.getInstance().getParentOwner() != null && AbstractDialog.USE_LOCKPANEL) {
      LockPanel.create(Dialog.getInstance().getParentOwner()).lock(500);
    }
  }
 catch (  final Exception e) {
  }
  if (Dialog.getInstance().getParentOwner() == null || !Dialog.getInstance().getParentOwner().isShowing()) {
    getDialog().setAlwaysOnTop(true);
  }
  getDialog().setModal(true);
  getDialog().setLayout(new MigLayout("String_Node_Str","String_Node_Str","String_Node_Str"));
  getDialog().setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
  getDialog().addWindowListener(this);
  this.defaultButtons=this.getDefaultButtonPanel();
  this.okButton=new JButton(this.okOption);
  JButton focus=this.okButton;
  this.cancelButton=new JButton(this.cancelOption);
  this.okButton.addActionListener(this);
  this.cancelButton.addActionListener(this);
  if (this.icon != null) {
    getDialog().add(new JLabel(this.icon),"String_Node_Str");
  }
  this.panel=this.layoutDialogContent();
  getDialog().add(this.panel,"String_Node_Str");
  getDialog().add(timerLbl,"String_Node_Str");
  if (BinaryLogic.containsAll(this.flagMask,Dialog.STYLE_SHOW_DO_NOT_DISPLAY_AGAIN)) {
    this.dontshowagain=new JCheckBox(APPWORKUTILS.ABSTRACTDIALOG_STYLE_SHOW_DO_NOT_DISPLAY_AGAIN.s());
    this.dontshowagain.setHorizontalAlignment(SwingConstants.TRAILING);
    this.dontshowagain.setHorizontalTextPosition(SwingConstants.LEADING);
    getDialog().add(this.dontshowagain,"String_Node_Str");
  }
 else {
    getDialog().add(Box.createHorizontalGlue(),"String_Node_Str");
  }
  getDialog().add(this.defaultButtons,"String_Node_Str");
  if ((this.flagMask & Dialog.BUTTONS_HIDE_OK) == 0) {
    getDialog().getRootPane().setDefaultButton(this.okButton);
    this.okButton.addHierarchyListener(new HierarchyListener(){
      public void hierarchyChanged(      final HierarchyEvent e){
        if ((e.getChangeFlags() & HierarchyEvent.PARENT_CHANGED) != 0) {
          final JButton defaultButton=(JButton)e.getComponent();
          final JRootPane root=SwingUtilities.getRootPane(defaultButton);
          if (root != null) {
            root.setDefaultButton(defaultButton);
          }
        }
      }
    }
);
    focus=this.okButton;
    this.defaultButtons.add(this.okButton,"String_Node_Str");
  }
  if (!BinaryLogic.containsAll(this.flagMask,Dialog.BUTTONS_HIDE_CANCEL)) {
    this.defaultButtons.add(this.cancelButton,"String_Node_Str");
    if (BinaryLogic.containsAll(this.flagMask,Dialog.BUTTONS_HIDE_OK)) {
      getDialog().getRootPane().setDefaultButton(this.cancelButton);
      this.cancelButton.requestFocusInWindow();
      focus=this.cancelButton;
    }
  }
  this.addButtons(this.defaultButtons);
  if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_COUNTDOWN)) {
    initTimer(Dialog.getInstance().getCountdownTime());
  }
 else {
    timerLbl.setVisible(false);
  }
  getDialog().invalidate();
  getDialog().pack();
  getDialog().setResizable(true);
  getDialog().setMinimumSize(new Dimension(300,80));
  getDialog().toFront();
  if (Dialog.getInstance().getParentOwner() == null || !Dialog.getInstance().getParentOwner().isDisplayable() || !Dialog.getInstance().getParentOwner().isVisible()) {
    final Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
    getDialog().setLocation(new Point((int)(screenSize.getWidth() - getDialog().getWidth()) / 2,(int)(screenSize.getHeight() - getDialog().getHeight()) / 2));
  }
 else   if (Dialog.getInstance().getParentOwner().getExtendedState() == Frame.ICONIFIED) {
    final Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
    getDialog().setLocation(new Point((int)(screenSize.getWidth() - getDialog().getWidth() - 20),(int)(screenSize.getHeight() - getDialog().getHeight() - 60)));
  }
 else {
    getDialog().setLocation(SwingUtils.getCenter(Dialog.getInstance().getParentOwner(),getDialog()));
  }
  final KeyStroke ks=KeyStroke.getKeyStroke("String_Node_Str");
  focus.getInputMap().put(ks,"String_Node_Str");
  focus.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(ks,"String_Node_Str");
  focus.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ks,"String_Node_Str");
  focus.getActionMap().put("String_Node_Str",new AbstractAction(){
    private static final long serialVersionUID=-6666144330707394562L;
    public void actionPerformed(    final ActionEvent e){
      Log.L.fine("String_Node_Str");
      AbstractDialog.this.dispose();
    }
  }
);
  focus.requestFocus();
  this.packed();
  getDialog().setVisible(true);
  if (Dialog.getInstance().getParentOwner() != null) {
    Dialog.getInstance().getParentOwner().setAlwaysOnTop(true);
    Dialog.getInstance().getParentOwner().setAlwaysOnTop(false);
  }
}

Fixed version (ground truth):
/** 
 * this function will init and show the dialog
 */
private void _init(){
  layoutDialog();
  setTitle(title);
  dont:   if (BinaryLogic.containsAll(this.flagMask,Dialog.STYLE_SHOW_DO_NOT_DISPLAY_AGAIN)) {
    try {
      final int i=BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_DELETE_ON_EXIT) ? AbstractDialog.getSessionDontShowAgainValue(this.getDontShowAgainKey()) : JSonStorage.getStorage("String_Node_Str").get(this.getDontShowAgainKey(),-1);
      if (i >= 0) {
        int ret=i & (Dialog.RETURN_OK | Dialog.RETURN_CANCEL);
        ret|=Dialog.RETURN_DONT_SHOW_AGAIN | Dialog.RETURN_SKIPPED_BY_DONT_SHOW;
        if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_IGNORES_CANCEL) && BinaryLogic.containsAll(ret,Dialog.RETURN_CANCEL)) {
          break dont;
        }
        if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_DONT_SHOW_AGAIN_IGNORES_OK) && BinaryLogic.containsAll(ret,Dialog.RETURN_OK)) {
          break dont;
        }
        this.returnBitMask=ret;
        return;
      }
    }
 catch (    final Exception e) {
      Log.exception(e);
    }
  }
  try {
    if (Dialog.getInstance().getParentOwner() != null && AbstractDialog.USE_LOCKPANEL) {
      LockPanel.create(Dialog.getInstance().getParentOwner()).lock(500);
    }
  }
 catch (  final Exception e) {
  }
  if (Dialog.getInstance().getParentOwner() == null || !Dialog.getInstance().getParentOwner().isShowing()) {
    getDialog().setAlwaysOnTop(true);
  }
  getDialog().setModal(true);
  getDialog().setLayout(new MigLayout("String_Node_Str","String_Node_Str","String_Node_Str"));
  getDialog().setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
  getDialog().addWindowListener(this);
  this.defaultButtons=this.getDefaultButtonPanel();
  this.okButton=new JButton(this.okOption);
  JButton focus=this.okButton;
  this.cancelButton=new JButton(this.cancelOption);
  this.okButton.addActionListener(this);
  this.cancelButton.addActionListener(this);
  if (this.icon != null) {
    getDialog().add(new JLabel(this.icon),"String_Node_Str");
  }
  this.panel=this.layoutDialogContent();
  getDialog().add(this.panel,"String_Node_Str");
  getDialog().add(timerLbl,"String_Node_Str");
  if (BinaryLogic.containsAll(this.flagMask,Dialog.STYLE_SHOW_DO_NOT_DISPLAY_AGAIN)) {
    this.dontshowagain=new JCheckBox(APPWORKUTILS.ABSTRACTDIALOG_STYLE_SHOW_DO_NOT_DISPLAY_AGAIN.s());
    this.dontshowagain.setHorizontalAlignment(SwingConstants.TRAILING);
    this.dontshowagain.setHorizontalTextPosition(SwingConstants.LEADING);
    getDialog().add(this.dontshowagain,"String_Node_Str");
  }
 else {
    getDialog().add(Box.createHorizontalGlue(),"String_Node_Str");
  }
  getDialog().add(this.defaultButtons,"String_Node_Str");
  if ((this.flagMask & Dialog.BUTTONS_HIDE_OK) == 0) {
    getDialog().getRootPane().setDefaultButton(this.okButton);
    this.okButton.addHierarchyListener(new HierarchyListener(){
      public void hierarchyChanged(      final HierarchyEvent e){
        if ((e.getChangeFlags() & HierarchyEvent.PARENT_CHANGED) != 0) {
          final JButton defaultButton=(JButton)e.getComponent();
          final JRootPane root=SwingUtilities.getRootPane(defaultButton);
          if (root != null) {
            root.setDefaultButton(defaultButton);
          }
        }
      }
    }
);
    focus=this.okButton;
    this.defaultButtons.add(this.okButton,"String_Node_Str");
  }
  if (!BinaryLogic.containsAll(this.flagMask,Dialog.BUTTONS_HIDE_CANCEL)) {
    this.defaultButtons.add(this.cancelButton,"String_Node_Str");
    if (BinaryLogic.containsAll(this.flagMask,Dialog.BUTTONS_HIDE_OK)) {
      getDialog().getRootPane().setDefaultButton(this.cancelButton);
      this.cancelButton.requestFocusInWindow();
      focus=this.cancelButton;
    }
  }
  this.addButtons(this.defaultButtons);
  if (BinaryLogic.containsAll(this.flagMask,Dialog.LOGIC_COUNTDOWN)) {
    initTimer(Dialog.getInstance().getCountdownTime());
  }
 else {
    timerLbl.setVisible(false);
  }
  getDialog().invalidate();
  getDialog().pack();
  getDialog().setResizable(true);
  getDialog().setMinimumSize(new Dimension(300,80));
  getDialog().toFront();
  if (Dialog.getInstance().getParentOwner() == null || !Dialog.getInstance().getParentOwner().isDisplayable() || !Dialog.getInstance().getParentOwner().isVisible()) {
    final Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
    getDialog().setLocation(new Point((int)(screenSize.getWidth() - getDialog().getWidth()) / 2,(int)(screenSize.getHeight() - getDialog().getHeight()) / 2));
  }
 else   if (Dialog.getInstance().getParentOwner().getExtendedState() == Frame.ICONIFIED) {
    final Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
    getDialog().setLocation(new Point((int)(screenSize.getWidth() - getDialog().getWidth() - 20),(int)(screenSize.getHeight() - getDialog().getHeight() - 60)));
  }
 else {
    getDialog().setLocation(SwingUtils.getCenter(Dialog.getInstance().getParentOwner(),getDialog()));
  }
  final KeyStroke ks=KeyStroke.getKeyStroke("String_Node_Str");
  focus.getInputMap().put(ks,"String_Node_Str");
  focus.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(ks,"String_Node_Str");
  focus.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ks,"String_Node_Str");
  focus.getActionMap().put("String_Node_Str",new AbstractAction(){
    private static final long serialVersionUID=-6666144330707394562L;
    public void actionPerformed(    final ActionEvent e){
      Log.L.fine("String_Node_Str");
      AbstractDialog.this.dispose();
    }
  }
);
  focus.requestFocus();
  this.packed();
  setVisible(true);
  if (Dialog.getInstance().getParentOwner() != null) {
    Dialog.getInstance().getParentOwner().setAlwaysOnTop(true);
    Dialog.getInstance().getParentOwner().setAlwaysOnTop(false);
  }
}