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Why CMT SFSB ejbCreate can access other bean ?

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in HFB p.671, question 12

Given a stateful session bean with container-managed transaction demarcation, from which methods can you access another bean ? (Choose all that apply).

A. setSessionContext()
B. ejbCreate()
C. afterBegin()
D. beforeCompletion()
E. afterCompletion()

The ans is B,C,D.

I don't know why "B" is correct, since we cannot apply transaction attribute on ejbCreate(), there should be "no meaningful tx context" why ejbCreate() can access another beans ?

Thanks ~
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That is the same question I just posted
I totally agree with you
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