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Shahnawaz
what is Activation and Passivation of Beans Means,
March 7, 2009 at 6:33 PM

Activation and Passivation is appilicable for only Stateful session bean and Entity bean.

When Bean instance is not used for a while by client then EJB Container removes it from memory and puts it in secondary storage (often disk) so that the memory can be reused. This is called Passivation.

When Client calls the bean instance again then Container takes the passivated bean from secondary storage and puts it in memory to serve the client request. This is called Activation
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