viewState.addMessage(new ViewStateMessage(metaSlot, exception.getLocalizedMessage()));
viewState.addMessage(new ErrorMessage(metaSlot, exception.getLocalizedMessage()));
    private void addConvertError(IViewState viewState, MetaSlot metaSlot, Exception exception) {        viewState.addMessage(new ViewStateMessage(metaSlot, exception.getLocalizedMessage()));    }