I used the Hibernate Tools to build an Seam App and deployed it to JBOSS with ejb3 profile.
The following error is in the JBOSS startup process.

16:13:54,624 INFO [JmxKernelAbstraction] installing MBean: jboss.j2ee:ear=seama
pp.ear,jar=seamapp.ejb3,name=EmployeeEditorBean,service=EJB3 with dependencies:
16:13:54,634 WARN [ServiceController] Problem starting service jboss.j2ee:ear=s
eamapp.ear,jar=seamapp.ejb3,name=EmployeeEditorBean,service=EJB3
java.lang.NullPointerException
at org.jboss.ejb3.stateful.StatefulRemoveFactory.createPerJoinpoint(Stat
efulRemoveFactory.java:56)