JMS provides an elegant solution for overcoming the restrictions you face when developing concurrent applications with EJB. Learn how its asynchronous model and its support for the MessageDrivenBean can enable a client to use EJB asynchronously.
by Mani Malarvannan
March 1, 2004
wo major limitations in the Enterprise JavaBeans (EJB) specification make it difficult to develop multi-threaded EJB applications:
New user threads cannot be created inside EJB Container.
EJB methods cannot be called asynchronously.
These restrictions make it difficult to develop concurrent applications with EJB. Luckily, by utilizing JMS along with EJB within your applications, you can achieve concurrency. JMS's asynchronous model and its support for the MessageDrivenBean (MDB) can be applied as a mechanism for a client to use EJB asynchronously.
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wo major limitations in the Enterprise JavaBeans (EJB) specification make it difficult to develop multi-threaded EJB applications:
