Why this privacy??? I think that all vendors can managed some well grounded
criticism.
/Lennart
Joel Nylund wrote:
> can you email me the name of the vendor privately? ([EMAIL PROTECTED])
> also, does anyone know if other vendors do this properly, I would expect that
> its pretty common practice to do this. I guess you may not notice the problem
> until you get a server pretty heavilly loaded up and it needs to start
> passivating objects from memory. It wouldnt be fun to find out this was
> happening late in volume testing.
>
> -Joel
>
> Richard Monson-Haefel wrote:
>
> > I disagree with Tom's assessment of the EJB references and passivation in
> > stateful session beans. According to the specification, EJB references are
> > supposed to be maintained while the stateful session bean is passivated.
> > When the bean is activated the reference is supposed to be alive and ready
> > to go ( the exception being session beans that have timed-out or entities
> > that have been removed).
> >
> > Quote from the EJB Specification, Section 6.4.1
> > "An instance may hold EJB object references to other EJB objects (sessions
> > or entities). When the container passivates the instance after ejbPassivate,
> > it must store the EJB object references with the passivated instance, and
> > reconstruct these object references when it loads the instance's state
> > before ejbActivate."
> >
> > Unfortunately, at least one EJB vendor, who shale remain nameless, didn't
> > implement this correctly and as a result EJB references are lost when the
> > stateful session bean is passivated. This is an incorrect implementation of
> > the specification.
> >
> > Richard
> >
> > -----Original Message-----
> > From: Tom Valesky
> > To: [EMAIL PROTECTED]
> > Sent: 2/25/99 2:32 PM
> > Subject: Re: statefull session beans & passivation
> >
> > [snip]
> >
> > In general, you shouldn't serialize references to resources (files,
> > sockets, EJBs) when a bean is passivated. Close them out and reobtain
> > them
> > later.
> >
> > I'm sure Rickard Oberg will be happy to tell you about his Smart
> > Proxies,
> > and how they address this particular difficulty. :-)
> >
> > ========================================================================
> > ===
> > Tom Valesky -- [EMAIL PROTECTED]
> > http://www.patriot.net/users/tvalesky
> >
> > ========================================================================
> > ===
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