Program: 173846
Project: 173846
Buggy source:
public void actionPerformed(ActionEvent actor){
  if (!(round instanceof OperatingRound))   return;
  oRound=(OperatingRound)round;
  retrieveStep=true;
  JComponent source=(JComponent)actor.getSource();
  String command=actor.getActionCommand();
  List<PossibleAction> executedActions=null;
  PossibleAction executedAction=null;
  PossibleAction executedActionToComplete=null;
  Class executedActionType=null;
  if (source instanceof ActionTaker) {
    executedActions=((ActionTaker)source).getPossibleActions();
    if (!executedActions.isEmpty()) {
      executedAction=executedActions.get(0);
      executedActionType=executedAction.getClass();
      log.debug("String_Node_Str" + executedAction.toString());
    }
  }
  int amount;
  if (executedActionType == SetDividend.class) {
    SetDividend action=(SetDividend)executedAction;
    if (command.equals(SET_REVENUE_CMD)) {
      amount=((Integer)revenueSelect[orCompIndex].getValue()).intValue();
      log.debug("String_Node_Str" + amount);
      action.setActualRevenue(amount);
      if (action.getRevenueAllocation() != SetDividend.UNKNOWN) {
        orWindow.process(action);
      }
 else {
        orStep=OperatingRound.STEP_PAYOUT;
        retrieveStep=false;
        executedActionToComplete=action;
      }
    }
 else {
      orWindow.process(action);
    }
  }
 else   if (command.equals(BUY_TRAIN_CMD)) {
    buyTrain();
  }
 else   if (command.equals(BUY_PRIVATE_CMD)) {
    buyPrivate();
  }
 else   if (executedActionType == NullAction.class || executedActionType == GameAction.class) {
    orWindow.process(executedAction);
  }
  ReportWindow.addLog();
  if (!(GameManager.getInstance().getCurrentRound() instanceof OperatingRound)) {
    orWindow.updateORWindow();
  }
}

Fixed version (ground truth):
public void actionPerformed(ActionEvent actor){
  if (!(round instanceof OperatingRound))   return;
  oRound=(OperatingRound)round;
  retrieveStep=true;
  JComponent source=(JComponent)actor.getSource();
  String command=actor.getActionCommand();
  List<PossibleAction> executedActions=null;
  PossibleAction executedAction=null;
  Class executedActionType=null;
  if (source instanceof ActionTaker) {
    executedActions=((ActionTaker)source).getPossibleActions();
    if (!executedActions.isEmpty()) {
      executedAction=executedActions.get(0);
      executedActionType=executedAction.getClass();
      log.debug("String_Node_Str" + executedAction.toString());
    }
  }
  int amount;
  if (executedActionType == SetDividend.class) {
    SetDividend action=(SetDividend)executedAction;
    if (command.equals(SET_REVENUE_CMD)) {
      amount=((Integer)revenueSelect[orCompIndex].getValue()).intValue();
      log.debug("String_Node_Str" + amount);
      action.setActualRevenue(amount);
      if (action.getRevenueAllocation() != SetDividend.UNKNOWN) {
        orWindow.process(action);
      }
 else {
        orStep=OperatingRound.STEP_PAYOUT;
        retrieveStep=false;
        updateStatus(action);
      }
    }
 else {
      orWindow.process(action);
    }
  }
 else   if (command.equals(BUY_TRAIN_CMD)) {
    buyTrain();
  }
 else   if (command.equals(BUY_PRIVATE_CMD)) {
    buyPrivate();
  }
 else   if (executedActionType == NullAction.class || executedActionType == GameAction.class) {
    orWindow.process(executedAction);
  }
  ReportWindow.addLog();
  if (!(GameManager.getInstance().getCurrentRound() instanceof OperatingRound)) {
    orWindow.updateORWindow();
  }
}