Print all XMPP messages to Openfire Console?

I recall it being possible for Openfire to print every XMPP message to the Console like Spark does when you enable advanced debugging. But I can’t find info now on how to do it. Anyone know how?

See http://www.igniterealtime.org/community/thread/33061.

Thanks.

http://www.igniterealtime.org/community/message/171904#171904