>From: David Jencks <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: [JBoss-dev] JMS issues re: stopservice, jndi names
>Date: Mon, 26 Nov 2001 23:26:02 -0500
>
>On 2001.11.26 22:50:55 -0500 David Budworth wrote:
> > Hi all,
> >
> > There are two things bugging me right now in JMS, and I just wanted to
> > know if anyone is working on them, or if they need to be fixed at all.
> >
> > The first one, is pretty obviously a 'needs-to-be-done'.  You can't
> > current undeploy a queue/topic.
> >
> > In my sar, I define the JMS queues that the services use, and when I
> > undeploy the .sar, the log says "queue stop not yet implemented".
> >
> > The problem this causes is that once you delete the SAR, the queue name
> > disappears from the 8082 UI, but, if you attempt to re-deploy the SAR,
> > or just create the queue via the 8082 UI, you'll get a an error stating
> > the topic/queue already exists.
> >
> > So it seems that on undeploy, the internal stuctures of JBossMQ gets
> > fux0r3d (in script-kiddie speak).
> >
> > I'd be happy to work on this (since I need it).  I just didn't know if
> > anyone else was already doing it.  Nor do I really know where to start
> > on it.
> >
>
>I'm not the most expert... but I think the queue stop method needs to
>arrange with the JMSService to stop accepting messages and possibly with
>the persistence manager to make sure everything is stably saved that should
>be.  Make sure all open transactions are ended before shutting down!

Sounds about right.

> >
> >
> > The second one is just something that bothers me, which is if you
> > specify a queue name like:
> > mycompany/queuea
> >
> > You will get a name not bound exception on "mycompany".  For EJBs this
> > works correctly, where the subcontexts are created on the fly as need
> > be.  But for JMS it doesn't.
> >
> > I'd also like to add this, since I don't like having the JMS
> > topics/queues in a flat namespace.
> >
> > I'm not sure if this is by spec though.  Are you not allowed to create a
> > heirarchy for the queue/topic names?  If I create transient topics, I
> > can do it if I pre-create the subcontexts.  So I know it 'works', I'm
> > just not sure it's legal.
> >
> > Also, is there some helper code somewhere in jboss to create a JNDI tree
> > already?  Or does everyone just roll there own with tokenizers or
> > something?
>
>I feel like I've seen 10 or twenty implementations of this, but its
>probably just 3 or 4;-)  They are often in Deployers.  Could we put one
>version in either DeployerMBeanSupport or ServiceMBeanSupport?
>

The MBean classes don't seem to ME to be the right place for the kind of 
code.  Maybe a new JNDISupport in the org.jboss.util??

Regards,
Hiram

>David Jencks
> >
> > -David
> >
> > _______________________________________________
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> > [EMAIL PROTECTED]
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> >
> >
>
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