ActionErrors errors = super.validate(mapping, request);
if (isCommiting()) {
for (Iterator i = parameterItems.iterator(); i.hasNext();) {
ShortcutParameterItem item = (ShortcutParameterItem) i.next();
try {
ActionMessage err = item.validateItem();
if (err != null) {
if (errors == null) {
errors = new ActionErrors();
}
errors.add(Globals.ERROR_KEY, err);