params.addElement(user.getHome());
	public void updateUser(User user) throws XMLDBException {		try {			Vector params = new Vector();			params.addElement(user.getName());			params.addElement(user.getPassword());			Vector groups = new Vector();			for (Iterator i = user.getGroups(); i.hasNext();)				groups.addElement((String) i.next());			params.addElement(groups);			parent.getClient().execute("setUser", params);		} catch (XmlRpcException e) {			throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);		} catch (IOException e) {			throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);		}	}