for (Iterator i = users.values().iterator(); i.hasNext();) {
for (Iterator i = users.valueIterator(); i.hasNext();) {
	public synchronized User getUser(String name) {		User user;		for (Iterator i = users.values().iterator(); i.hasNext();) {			user = (User) i.next();			if (user.getName().equals(name))				return user;		}		LOG.debug("user " + name + " not found");		return null;	}