@Override
        public void userDeleting(User user, Map<String, Object> params) {
            try {
                deleteVCard(user.getUsername());
            } catch (UnsupportedOperationException ue) { /* Do Nothing */ }
        }
Resets the manager state. The cache where loaded vCards are stored will be flushed.
xmppserver/src/main/java/org/jivesoftware/openfire/vcard/VCardManager.java