Embedded JBoss has replaced Embedded EJB3
You need to install JBoss Embedded as described in the docs. You could of course bake your own solution using Embedded EJB3, but be aware there are no more releases of it.
If I implement EmebededJBoss into Tomcat, can I use Seam scheduler on it?
I spent many hours trying to run seam scheduler on tomcat and (Seam 1.6) and this is not possible. Seam pay example don't works to on tomcat.
Maybe Seam 2 and emebeded JBoss fixed this problem?
After this fight, my second try was to use opensymphony with seam 1.6, but for some reasons Seam can't inject me entity manager?
Here is my post about that:
Seam 1.6? Perhaps you mean Seam 1.2.1.GA? Seam2 has support for plain java timers (Seam 1.2 just had support for EJB3 timers, not implemented in Embedded EJB3/Embedded JBoss AFAIK, ask on the JBoss Embedded forum) and for quartz timers, so you should be much better off.