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reentrance & loopback in EJB instance?

Posted on 2004-08-07
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what is "reentrance & loopback" in EJB instance, and why we say that ?

i have the following saying: in EJB, bean instance are nonreentrant by default, which means that loopbacks are not allowed.
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Question by:she1
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damonf earned 50 total points
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"non-reentrant" means that by default, EJBs are setup so that an instance can be accessed by at most one thread at a time.  This has many implications for your coding, but one result would be that a bean container method could not call itself, because it would already be blocked by itself.
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