UserDao dao= WOJServer.getInstance().getDataService().getUserDao();
for (int i = 0; i < usrs.length; i++) {
User usr = usrs[i];
try {
if(usr.getId() == 0 && WOJServer.getInstance().isEnterpriseEdition()) {
dao.insertNewUser(usr);
} else {
dao.insert(usr);
}
} catch (DataIntegrityViolationException e) {
throw new IllegalArgumentException("Duplicate user:"+usr.getLogin());