EJB – How does it work?

Posted: December 8, 2009 in Java
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EJB runs under the control of the EJB Server and the server does virtually everything ranging from managing transactions, security, persistence and even the life n death of our beans.

  1. Client ( – a standalone Java App, another EJB or a servlet) calls the EJB method.
  2. This call is intercepted by the EJB Object as the client can never talk directly talk with the bean
  3. The call is then passed to the EJB server which does everything ranging from transaction to security.
  4. The container then instantiates a bean object from the bean pool and handles the request.
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