Download
You can download a ready-to-go package of jboss-4.0.4 with jawflow in bundle (Hypersonic DB) here or you can try to compile it from the sources package.

jboss-4.0.4-jawflow.hypersonic.tar.gz
Just start jboss with the run.sh script and point your browser to:
http://localhost:8080/jawflow/Jawflow/home.jsp
User: admin
pwd: jawflow
jawflow-1.0.0.tar.gz
The source package is provided with and without the libraries needed to compile it