Rob,

Yes, there can be more than one instance of an entity bean with
a specific identity (pk) running in the same JVM.

A common occurrence of this would be when simultaneous transactions
in the Container access the same row in the database via your entity
bean layer. In this case, each parallel transaction would get its own
copy of the entity bean instance.

All this is of course assuming that the data has not been locked
at the database level by the first transaction (that is, pessimistic
locking).

-krish
Borland

At 06:50 PM 6/4/2003 +1000, Rob Young wrote:
>Hi All
>
>Can there be more than one instance of an entity EJB with a particular primary key 
>running within the same JVM? By "same JVM" I'm referring to the JVM running an 
>Application Server process.
>
>In a clusted configuration (meaning multiple JVMs (one for each machine in the 
>cluster)), is it possible for an entity EJB with a particular primary key to be 
>running in more than one JVM?
>
>Thanks,
>Rob

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