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Guys, I HAVE tried reading tons of stuff about EJB. And I don’t get it. It seems that most of the authors have a superficial knowledge on it. They basically say it’s the business-logic ‘stuff’. They don’t show it how it interacts with the AppServer and so on, what it does, how, and why?
It is a huge question, but not that huge. It is not like asking what is physics. You basically run your business code inside container which is handling all the connections, lookup, transactions etc. There are alternatives to ejb, e.g. spring.