Program: 157103
Project: 157103
Buggy source:
private static void processPositionCommand(ICommandSender commandSender,String[] args){
  String xPosition, yPosition;
  if (args.length >= 3) {
    xPosition=args[1];
    yPosition=args[2];
    if ((xPosition.toLowerCase().equals("String_Node_Str")) && (yPosition.toLowerCase().equals("String_Node_Str"))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=0;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer("String_Node_Str");
    }
 else     if ((xPosition.toLowerCase().equals("String_Node_Str")) && (yPosition.toLowerCase().equals("String_Node_Str"))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=1;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer("String_Node_Str");
    }
 else     if ((xPosition.toLowerCase().equals("String_Node_Str")) && (yPosition.toLowerCase().equals("String_Node_Str"))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=2;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer("String_Node_Str");
    }
 else     if ((xPosition.toLowerCase().equals("String_Node_Str")) && (yPosition.toLowerCase().equals("String_Node_Str"))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=3;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer("String_Node_Str");
    }
 else {
      throw new WrongUsageException("String_Node_Str",new Object[0]);
    }
  }
 else {
    new WrongUsageException("String_Node_Str",new Object[0]);
  }
}

Fixed version (ground truth):
private static void processPositionCommand(ICommandSender commandSender,String[] args){
  String yPosition, xPosition;
  if (args.length >= 3) {
    yPosition=args[1];
    xPosition=args[2];
    if ((yPosition.equalsIgnoreCase(getLocalizedString(COMMAND_TOP))) && (xPosition.equalsIgnoreCase(getLocalizedString(COMMAND_LEFT)))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=0;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer(getLocalizedString(COMMAND_OVERLAY_POSITION_TOP_LEFT));
    }
 else     if ((yPosition.equalsIgnoreCase(getLocalizedString(COMMAND_TOP))) && (xPosition.equalsIgnoreCase(getLocalizedString(COMMAND_RIGHT)))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=1;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer(getLocalizedString(COMMAND_OVERLAY_POSITION_TOP_RIGHT));
    }
 else     if ((yPosition.equalsIgnoreCase(getLocalizedString(COMMAND_BOTTOM))) && (xPosition.equalsIgnoreCase(getLocalizedString(COMMAND_LEFT)))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=2;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer(getLocalizedString(COMMAND_OVERLAY_POSITION_BOTTOM_LEFT));
    }
 else     if ((yPosition.equalsIgnoreCase(getLocalizedString(COMMAND_BOTTOM))) && (xPosition.equalsIgnoreCase(getLocalizedString(COMMAND_RIGHT)))) {
      ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION=3;
      ConfigurationHandler.set(ConfigurationHandler.CATEGORY_GRAPHICS,ConfigurationSettings.TARGET_BLOCK_OVERLAY_POSITION_CONFIGNAME,"String_Node_Str");
      commandSender.sendChatToPlayer(getLocalizedString(COMMAND_OVERLAY_POSITION_BOTTOM_RIGHT));
    }
 else {
      throw new WrongUsageException(getLocalizedString(COMMAND_OVERLAY_POSITION_USAGE),new Object[0]);
    }
  }
 else {
    new WrongUsageException(getLocalizedString(COMMAND_OVERLAY_POSITION_USAGE),new Object[0]);
  }
}