Program: 6965
Project: 6965
Buggy source:
public ResponseStatus handleResponse(Player p,String r){
  System.out.println("String_Node_Str" + p.getDisplayName() + "String_Node_Str"+ r);
  SpoutPlayer player=(SpoutPlayer)p;
  int optionOffset=0;
  if (MenuMetaMod.debug)   System.out.println("String_Node_Str" + r);
  InGameHUD main=null;
  if (player.isSpoutCraftEnabled()) {
    main=player.getMainScreen();
    if (r.equalsIgnoreCase("String_Node_Str")) {
      if (main.getActivePopup() != null) {
        player.closeActiveWindow();
      }
      return ResponseStatus.HandledFinished;
    }
  }
  if (valuesPending.get(player) != null) {
    String value=r;
    String[] comArray=valuesPending.get(player);
    for (    String command : comArray) {
      command=getCommand(player,command);
      command=command.replaceAll("String_Node_Str",value);
      if (MenuMetaMod.debug)       player.sendMessage("String_Node_Str" + command);
      player.performCommand(command);
    }
    valuesPending.remove(player);
    if (player.isSpoutCraftEnabled()) {
      main=player.getMainScreen();
      if (main.getActivePopup() != null) {
        player.closeActiveWindow();
      }
    }
    return ResponseStatus.HandledFinished;
  }
  if (isNumber(r)) {
    if (player.isSpoutCraftEnabled()) {
      if (main.getActivePopup() != null) {
        player.closeActiveWindow();
      }
 else       return ResponseStatus.NotHandled;
    }
    int response=Integer.valueOf(r).intValue();
    if (response == 0)     response=10;
    if (pages > page && response == 10) {
      sendPage(player,page + 1);
      return ResponseStatus.Handled;
    }
 else     if (page > 1 && response == 9) {
      sendPage(player,page - 1);
      return ResponseStatus.Handled;
    }
 else     if (pages == page && response == 10) {
      return ResponseStatus.HandledFinished;
    }
    if (page > 1) {
      optionOffset=9;
      optionOffset+=((page - 2) * 8);
    }
    if (commands.length < (optionOffset + response - 1))     return ResponseStatus.NotHandled;
 else {
      String[] comArray={commands[optionOffset + response - 1]};
      if (commands[optionOffset + response - 1].contains("String_Node_Str")) {
        comArray=commands[optionOffset + response - 1].split("String_Node_Str");
      }
      valuesPending.put(player,comArray);
      MenuMetaMod.plugin.scheduler.scheduleSyncDelayedTask(MenuMetaMod.plugin,new QuestionSender(player,this),5);
      if (sendQuestion(player))       return ResponseStatus.Handled;
    }
  }
  return ResponseStatus.NotHandled;
}

Fixed version (ground truth):
public ResponseStatus handleResponse(Player p,String r){
  System.out.println("String_Node_Str" + p.getDisplayName() + "String_Node_Str"+ r);
  SpoutPlayer player=(SpoutPlayer)p;
  int optionOffset=0;
  if (MenuMetaMod.debug)   System.out.println("String_Node_Str" + r);
  InGameHUD main=null;
  if (player.isSpoutCraftEnabled()) {
    main=player.getMainScreen();
    if (r.equalsIgnoreCase("String_Node_Str")) {
      if (main.getActivePopup() != null) {
        ValueMenu.inputTextFields.remove(p);
        player.closeActiveWindow();
      }
      return ResponseStatus.HandledFinished;
    }
  }
  if (valuesPending.get(player) != null) {
    String value=r;
    String[] comArray=valuesPending.get(player);
    for (    String command : comArray) {
      command=getCommand(player,command);
      command=command.replaceAll("String_Node_Str",value);
      if (MenuMetaMod.debug)       player.sendMessage("String_Node_Str" + command);
      player.performCommand(command);
    }
    valuesPending.remove(player);
    if (player.isSpoutCraftEnabled()) {
      main=player.getMainScreen();
      if (main.getActivePopup() != null) {
        ValueMenu.inputTextFields.remove(p);
        player.closeActiveWindow();
      }
    }
    return ResponseStatus.HandledFinished;
  }
  if (isNumber(r)) {
    if (player.isSpoutCraftEnabled()) {
      if (main.getActivePopup() != null) {
        ValueMenu.inputTextFields.remove(p);
        player.closeActiveWindow();
      }
 else       return ResponseStatus.NotHandled;
    }
    int response=Integer.valueOf(r).intValue();
    if (response == 0)     response=10;
    if (pages > page && response == 10) {
      sendPage(player,page + 1);
      return ResponseStatus.Handled;
    }
 else     if (page > 1 && response == 9) {
      sendPage(player,page - 1);
      return ResponseStatus.Handled;
    }
 else     if (pages == page && response == 10) {
      return ResponseStatus.HandledFinished;
    }
    if (page > 1) {
      optionOffset=9;
      optionOffset+=((page - 2) * 8);
    }
    if ((optionOffset + response) > commands.length)     return ResponseStatus.NotHandled;
 else {
      String[] comArray={commands[optionOffset + response - 1]};
      if (commands[optionOffset + response - 1].contains("String_Node_Str")) {
        comArray=commands[optionOffset + response - 1].split("String_Node_Str");
      }
      valuesPending.put(player,comArray);
      MenuMetaMod.plugin.scheduler.scheduleSyncDelayedTask(MenuMetaMod.plugin,new QuestionSender(player,this),5);
      if (sendQuestion(player))       return ResponseStatus.Handled;
    }
  }
  return ResponseStatus.NotHandled;
}