So you wonder why there is no integration between Seam and jBPM4? Actually it is quite simple to build you own integration layer. This article describes a simple way to integrate jBPM 4 with JBoss Seam 2.
Stephane, Peter and myself will be attending the 2nd Paris JUG anniversary Tuesday the 9th of February 2010. We will not only attend as we will be giving 2 presentations: