Even in the case of vertical clustering, different EJB containers utilize different JVM.so EJB from one container can not access EJB from another container on same AppServer using Local Interfaces. You have to use remote interfaces.
SCJP-5.0 87%,SCWCD-5.0 92%
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com
subject: multiple EJB Container on same App Server