> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Jason
> Dillon
> Sent: Tuesday, August 21, 2001 4:36 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [JBoss-dev] ejbLoad() on a modified bean w/o ejbStore()
>
>
> > I'm going to combine multiple email replies into one. Please
> switch back to
> > QueuedPessimisticEJBLock. We're trying to make this the
> default for JBoss
> > since it scales better.
>
> Ok. I was not sure if one was more stable than the other.
>
> > > I am using commit option B, since it might be possible that
> > > another process
> > > is using the database... though I am 100% sure that I have
> sole access to
> > > the database I am using.
> >
> > You probably already know this but ejbLoad will get called whenever the
> > entity becomes part of the transaction
>
> I figured that much, but I was not really sure.
>
> > > If I run the first producer with the first MDB offline, then
> > > connect the MDB
> > > everything seems to be fine. I have run a few tests through in
> > > this manner
> > > and I have not had problem yet, where as if I try to have the both up
> > > together it will work only once after all nodes have been started
> > > (usually)
> > > and will fail most times after that.
> > >
> > > I should be able to have more than one thread update a single
> > > entity at the
> > > same time (or rather ordered as the container dictates) right?
> >
> > By "more than one thread" you mean more than one transaction?
> Yes, you can
> > have more than one transaction, but remember, this is
> pessimistic locking.
> > The entity will be locked until the transaction commits. All
> other accesses
> > to the entity will be blocked until the entity is committed by the first
> > transaction.
>
> That is not the behavior that I was seeing, perhaps your change to Queued*
> fixed that. Not sure at the moment. I think I did find one rather large
The Queued* bug fix should show the behaviour I talked about above. Let me
know.
Thanks,
Bill
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