@Override
    protected void processPresence(final Presence packet) throws UnauthorizedException {
        throw new UnauthorizedException("Message packets are not supported. Original packets " +
                "should be wrapped by route packets.");
    }
Handler of IQ packets sent from the Connection Manager to the server.
xmppserver/src/main/java/org/jivesoftware/openfire/net/MultiplexerStanzaHandler.java