Jonas2 doesn't implement the passivation and activation of beans. If a
bean is instantiated and loaded into memory, it stays there. Only a
passivation mechanism allows you to set a max number of beans currently
in memory. If you have to read lots of rows from your database, the
server has to instantiate one bean per row.
Couldn't this cause your problems ?
Tobias
Achim Derigs schrieb:
>
> Hi Bryan,
>
> I notice the same error and posted it to jonas-users some time ago. But I got no
>response.
>
> We have a pretty stable productive application, but this bug necessitates an
>application restart every week. :-(
>
> This bug causes Joans to run out of memory (OutOfMemoryError). In particular I
>realize this behaviour, when creating and removing CMP entity beans.
>
> Regards
> Achim
>
> On Mon, 22 May 2000, Bryan Field-Elliot wrote:
>
> > (Reposted, originally posted to jonas-users)
> >
> > I am using Jonas2, JDK 1.2, Windows NT 4.0.
> >
> > I have an application that is doing a LOT of work with CMP entity beans
> > (iterate through thousands of them, and perform work on each).
> >
> > After only a few thousand bean cycles (findByPrimaryKey, get()/set(), and
> > then setting the remote interface reference to null), I can see that the
> > Jonas server memory usage is just going up and up, and is never diminishing.
> >
> > Even when I quit out of my client application, the RAM used doesn't go down.
> >
> > My application eventually causes Joans to run out of memory, long before I'm
> >
> > finished (I need to get through 300,000 rows and it's dying after only
> > 10,000 or so, with a 200MB max JVM heap size).
> >
> > Anybody else see this behavior?
> >
> > Thank you,
> > Bryan
> >
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