Life Cycle of a Message-Driven Bean
The EJB container controls the lifecycle of a Message-driven bean. The Message-driven bean instance lifecycle has three states, as shown in Figure 10.1:
Does Not Exist— The Message-driven bean has not been instantiated yet or is awaiting garbage collection.
Method Ready Pool— A pool of Message-driven bean instances, similar to the instance pool used for stateless session beans.
Processing a message— The Message-driven bean has been instantiated and is handling a message.
Figure 10.1. The Message-driven bean life cycle.
After constructing the new instance of the Message-driven bean object, the container invokes ...
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