By pelegri on Mar 24, 2009
Adobe's client-side (RIA) technology, Flex, is officially matched on the Java server-side by their Adobe LiveCycle product, but it is possible to use different software on the server-side. Here are three options:
The third is Adobe's own open source offering: BlazeDS. Successful reports include Ries at BMK LLC, Igor Costa and Sean. Also see Ryan's comments in this TA post. The most complete series is by Anachronymous: Intro, Choosing GF (over JBoss), and then Part I and Part II.