Change By: Strong Liu (12/Dec/12 11:05 PM)
Comment: should _org.hibernate.boot.registry.selector.AvailabilityAnnouncer_ be an integrator? so we can integrate it automatically?

and I think atm, the two impl ( like _org.hibernate.cache.ehcache.AvailabilityAnnouncerImpl_ ) is not actived at all? 
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