JBoss AS7 includes the following enhancements:
JBoss AS7 can be run in two modes: domain mode and standalone mode.
Each server running in a domain belongs to a server group. Each server group can be bound to a different server profile.
JBoss AS7 features a new Admin Console for administering servers within a domain.
The application server structure has been simplified. The modules/
directory now contains the application server modules, instead of using common and server-specific lib/
directories. The domain/
and standalone/
directories contain the artifacts and configuration files for domain and standalone deployments respectively.