Program: 49883
Project: 49883
Buggy source:
public void endOfGame(Result result){
  PlayNetGamePanel.mIsRunning=false;
  if (mGame.getHistory().size() != 0) {
    PlayNetGamePanel.mNetMove=mGame.moveToFakeMove(mGame.getHistory().get(mGame.getHistory().size() - 1));
  }
 else   if (result != Result.DRAW) {
    JOptionPane.showMessageDialog(null,Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
    PlayNetGamePanel.mIsRunning=false;
    Driver.getInstance().revertToMainPanel();
    Driver.getInstance().setFileMenuVisibility(true);
    return;
  }
  Object[] options=new String[]{Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")};
  mOptionsMenu.setVisible(false);
switch (JOptionPane.showOptionDialog(Driver.getInstance(),result.getGUIText(),result.winText(),JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.PLAIN_MESSAGE,null,options,options[0])) {
case JOptionPane.YES_OPTION:
    m_preference=PreferenceUtility.getPreference();
  if (!m_preference.isPathSet()) {
    JOptionPane.showMessageDialog(Driver.getInstance(),Messages.getString("String_Node_Str") + AppConstants.APP_NAME + Messages.getString("String_Node_Str")+ Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
    JFileChooser fileChooser=new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    int returnVal=fileChooser.showOpenDialog(Driver.getInstance());
    if (returnVal == JFileChooser.APPROVE_OPTION)     m_preference.setSaveLocation(fileChooser.getSelectedFile().getAbsolutePath());
 else     m_preference.setSaveLocation(FileUtility.getDefaultCompletedLocation());
  }
String saveFileName=JOptionPane.showInputDialog(Driver.getInstance(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
getGame().saveGame(saveFileName,getGame().isClassicChess());
mGame.setBlackMove(false);
Driver.getInstance().setFileMenuVisibility(true);
Driver.getInstance().revertToMainPanel();
break;
case JOptionPane.NO_OPTION:
mGame.setBlackMove(false);
Driver.getInstance().setUpNewGame();
break;
case JOptionPane.CANCEL_OPTION:
mGame.setBlackMove(false);
System.exit(0);
break;
}
}

Fixed version (ground truth):
public void endOfGame(Result result){
  PlayNetGamePanel.mIsRunning=false;
  if (mGame.getHistory().size() != 0) {
    PlayNetGamePanel.mNetMove=mGame.moveToFakeMove(mGame.getHistory().get(mGame.getHistory().size() - 1));
  }
 else   if (result != Result.DRAW) {
    JOptionPane.showMessageDialog(null,Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
    PlayNetGamePanel.mIsRunning=false;
    Driver.getInstance().revertToMainPanel();
    Driver.getInstance().setFileMenuVisibility(true);
    return;
  }
  Object[] options=new String[]{Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")};
  mOptionsMenu.setVisible(false);
switch (JOptionPane.showOptionDialog(Driver.getInstance(),result.getGUIText(),result.winText(),JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.PLAIN_MESSAGE,null,options,options[0])) {
case JOptionPane.YES_OPTION:
    m_preference=PreferenceUtility.getPreference();
  if (!m_preference.isPathSet()) {
    JOptionPane.showMessageDialog(Driver.getInstance(),Messages.getString("String_Node_Str") + AppConstants.APP_NAME + Messages.getString("String_Node_Str")+ Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
    JFileChooser fileChooser=new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    int returnVal=fileChooser.showOpenDialog(Driver.getInstance());
    if (returnVal == JFileChooser.APPROVE_OPTION)     m_preference.setSaveLocation(fileChooser.getSelectedFile().getAbsolutePath());
 else     m_preference.setSaveLocation(FileUtility.getDefaultCompletedLocation());
  }
String saveFileName=JOptionPane.showInputDialog(Driver.getInstance(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str"),JOptionPane.PLAIN_MESSAGE);
getGame().saveGame(saveFileName,getGame().isClassicChess(),false);
mGame.setBlackMove(false);
Driver.getInstance().setFileMenuVisibility(true);
Driver.getInstance().revertToMainPanel();
break;
case JOptionPane.NO_OPTION:
mGame.setBlackMove(false);
Driver.getInstance().setUpNewGame();
break;
case JOptionPane.CANCEL_OPTION:
mGame.setBlackMove(false);
System.exit(0);
break;
}
}