@Override
    public void deliver(@Nonnull final Packet stanza) {
        deliver(new Deliverable(Collections.singletonList(stanza)));
    }
Check that the client SHOULD NOT make more simultaneous requests than specified
by the 'requests' attribute in the connection manager's Session Creation Response.
However, the client MAY make one additional request if it is to pause or terminate a session.

@see <a href="http://www.xmpp.org/extensions/xep-0124.html#overactive">overactive</a>
@param connection the new connection.
@throws HttpBindException if the connection has violated a facet of the HTTP binding
        protocol.
xmppserver/src/main/java/org/jivesoftware/openfire/http/HttpSession.java