Program: 24782
Project: 24782
Buggy source:
/** 
 * Sets up the controls in the dialog
 * @param SoftwarePackage The category to be updated in this dialog.
 */
private void initializeDialogReadWrite(GwtTradeoffReason tradeoffReason){
  VerticalPanel baseLayout=new VerticalPanel();
  VerticalPanel nameLayout=new VerticalPanel();
  VerticalPanel descriptionLayout=new VerticalPanel();
  HorizontalPanel buttonsLayout=new HorizontalPanel();
  this.setText(messages.editTradeoffReasonDialogBoxTitle());
  nameLayout.add(new Label(messages.editTradeoffReasonDialogBoxName()));
  nameLayout.add(this.tradeoffReasonTextBox);
  this.tradeoffReasonTextBox.setWidth("String_Node_Str");
  this.tradeoffReasonTextBox.setSize("String_Node_Str","String_Node_Str");
  this.tradeoffReasonTextBox.setText(tradeoffReason.getTradeoffreason());
  saveButton=new Button(messages.editTradeoffReasonDialogBoxOkay(),new SaveHandler(this,tradeoffReason));
  Button cancelButton=new Button(messages.editTradeoffReasonDialogBoxCancel(),new CancelHandler(this));
  this.tradeoffReasonTextBox.addKeyUpHandler(new KeyUpHandler(){
    public void onKeyUp(    KeyUpEvent event){
      configureButton();
    }
  }
);
  this.tradeoffReasonTextBox.addChangeHandler(new ChangeHandler(){
    public void onChange(    ChangeEvent event){
      configureButton();
    }
  }
);
  this.tradeoffReasonTextBox.addKeyDownHandler(new KeyDownHandler(){
    public void onKeyDown(    KeyDownEvent event){
      configureButton();
    }
  }
);
  saveButton.setWidth("String_Node_Str");
  cancelButton.setWidth("String_Node_Str");
  buttonsLayout.setSpacing(10);
  buttonsLayout.add(saveButton);
  buttonsLayout.add(cancelButton);
  baseLayout.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
  baseLayout.add(nameLayout);
  baseLayout.add(descriptionLayout);
  baseLayout.add(buttonsLayout);
  baseLayout.setSpacing(5);
  this.setWidget(baseLayout);
}

Fixed version (ground truth):
/** 
 * Sets up the controls in the dialog
 * @param SoftwarePackage The category to be updated in this dialog.
 */
private void initializeDialogReadWrite(GwtTradeoffReason tradeoffReason){
  VerticalPanel baseLayout=new VerticalPanel();
  VerticalPanel nameLayout=new VerticalPanel();
  VerticalPanel descriptionLayout=new VerticalPanel();
  HorizontalPanel buttonsLayout=new HorizontalPanel();
  this.setText(messages.editTradeoffReasonDialogBoxTitle());
  nameLayout.add(new Label(messages.editTradeoffReasonDialogBoxName()));
  nameLayout.add(this.tradeoffReasonTextBox);
  this.tradeoffReasonTextBox.setWidth("String_Node_Str");
  this.tradeoffReasonTextBox.setSize("String_Node_Str","String_Node_Str");
  this.tradeoffReasonTextBox.setText(tradeoffReason.getTradeoffreason());
  saveButton=new Button(messages.editTradeoffReasonDialogBoxOkay(),new SaveHandler(this,tradeoffReason));
  Button cancelButton=new Button(messages.editTradeoffReasonDialogBoxCancel(),new CancelHandler(this));
  saveButton.setWidth("String_Node_Str");
  cancelButton.setWidth("String_Node_Str");
  buttonsLayout.setSpacing(10);
  buttonsLayout.add(saveButton);
  buttonsLayout.add(cancelButton);
  baseLayout.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
  baseLayout.add(nameLayout);
  baseLayout.add(descriptionLayout);
  baseLayout.add(buttonsLayout);
  baseLayout.setSpacing(5);
  this.setWidget(baseLayout);
}