Default EJB transaction mode for asynchronous methods?

Question

1. When I have an @Asynchronous method in an EJB, and I don\'t specify the @TransactionAttribute, then how exactly does the container handle the

Answer 1

From EJB 3.1 spec.

4.5.3 Transactions

Client transaction context does not propagate with an asynchronous method invocation. From the Bean Developer’s view, there is never a transaction context flowing in from the client. This means, for example, that the semantics of the REQUIRED transaction attribute on an asynchronous method are exactly the same as REQUIRES_NEW.