Thanks Sanjeev, for your reply. I did finally figure out that it was a
JMS issue, and not an EJB issue that I was dealing with. I wish the EJB
spec had given a hint, though, something like "the configuration of the
message queue will determine if a new bean instance will be created and
the onMessage() call retried...". I changed the appropriate JMS setting
in the Weblogic console (which unfortunately was set to unlimited
retries with a 0 millisecond delay) and the problem went away.


--- sanjeev kasarabada <[EMAIL PROTECTED]> wrote:
> Dave,
>        Looks like it is a RunTimeException occuring in
> the MDB. When this happens the MDB is removed from the
> container. At the same time the message is redelivered
> by the JMS server to the MDB since the onMessage() has
> not returned succesfully. A new MDB is created and the
> whole cycle repeats again. This is totally correct
> behaviour as per the JMS specification. It is up to
> you to fix the RunTimeException.
> Hope it helps.
> Thanx,
> Sanjeev
>
> --- Dave Glasser <[EMAIL PROTECTED]> wrote:
> > I have a third-party app (IOW, not my code) that
> > uses a message driven
> > bean to send emails. I'm running it in Weblogic 6.1.
> > Any time the
> > onMessage() method of the MDB fails, it wraps any
> > resulting exception
> > in an EJBException and throws the EJBException.
> >
> > What happens next is that Weblogic will discard the
> > MDB (per the EJB
> > 2.0 spec), and then create a new MDB instance and
> > retry the call to
> > onMessage(). This cycle continues as long as the
> > onMessage() call keeps
> > failing, and this can result in an endless cycle
> > which fills the log
> > files, or in some cases sends thousands of email
> > messages until the
> > server is killed.
> >
> > I'm not all that familiar with MDB, and I haven't
> > found anything in the
> > EJB 2.0 spec or in the Weblogic 6.1 docs that
> > specifies that the
> > container will retry onMessage() calls that fail.
> > Can anyone provide
> > any insight into this? How can I get the container
> > to simply give up
> > when an onMessage() call fails? Is this a
> > Weblogic-specific behavior
> > for which there is some configuration setting I can
> > change?
> >
> >
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