[jdev] MU-Conference returning "Not Found"

Peter Saint-Andre stpeter at jabber.org
Wed Sep 28 12:55:17 CDT 2005

Heiner Wolf wrote:

> I was thinking that MUC is backward compatible to GroupChat. If I send a
> <presence/> without any mentioning of MUC, then I should get a room
> which is not locked until it is configured. 
> You are right JEP-0045 tells me in "9.1.2 Creating an Instant Room", for
> an instant room I must send an empty iq-query-x-'jabber:x:data'. But
> this means that a simple <presence/> won't work, because it will lock
> the room. This makes JEP-0045 incompatible to GroupChat. 

Now that I look at it again, the JEP is probably not as clear as it 
could be about room creation. The intent is that if you don't include 
the muc extension in the initial presence, the service will create the 
room for you and not wait for the config (i.e., backwards-compatible 
with old-style groupchat), but that if you do include the muc extension 
   then the service requires you to go through the configuration steps. 
But I see that's not 100% (or even 50%?) clear in the spec, so I'll 
clarify that in the next version.


Peter Saint-Andre
Jabber Software Foundation
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