* Add beginShutdown() and endShutdown() to OrderlyShutdownCapable * JMS/AMQP stop listener containers * TCP (server side) ** after beginShutdown() disallow new connections, drop (log) new messages ** after endShutdown() close server socket * HTTP (server side) ** after beginShutdown() disallow any new requests (503 Service Unavailable) * Docbook updates ** What's new section ** Orderly Shutdown section.