no mlet stuff necessary. Look in jboss.jcml for the XADataSourceLoader mbean config.
If your time is worth more than $0.10/hr;-) you will probably come out ahead by buying the $$ documentation for 2.4 where all this is explained more thoroughly and completely than you will get in posts on this forum.
Thanks David for your information.
I later found a very brief regarding statement in the later portion of the same online document.
I guess the online version is a outline of the $10 version.