What happens if you don't define '@Remove' method for Stateful SessionBean?

Hi,
I'm new to ejb3.
I've noticed that the spec doesn't force you to define a "@Remove" method on a stateful Session bean... which seemed a bit weird/dangerous to me...
Would anyone please happen to know:
1. Is there a special treatment for Staeful SB's that don't have "@Remove"? Like, for examle, will the container destroy the session automatically at some point (after each remove invocation ? After a fixed timeout ? etc).
2. And what if the programmer defined '@Remove' but neglected to call it from the client ? Are there different rules ? Session timeout ?
Thanks a lot !

There are always ways in which the container can decide to remove a Stateful Session Bean(SFSB) that are completely independent of whether a client explicitly calls a remove method. The container can choose to remove a SFSB because it has timed out. The actual time out is typically configurable, much like HttpSession timeout. The container can also remove a SFSB due to a system exception generated from one of its methods.
@Remove methods merely expose an application-specific way to force the removal of a SFSB. They are not required to be defined and even if defined are not required to be invoked.
--ken                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

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