I've made a "Jetspeed2 Terza parte" (in Italian)
The example is a portlet for jetspeed 2 based on Spring.
article here : http://www.jugsardegna.org/vqwiki/jsp/Wiki?Jetspeed2_II
Then next part with JMX features of Spring 1.2 are available as soon as possible.
p.s. sorry for my bad english