[jboss-dev-forums] [JBoss AS7 Development] - JBoss AS7 vs AS6

[Brian Stansberry]

Brian Stansberry [http://community.jboss.org/people/brian.stansberry] commented on the document

"JBoss AS7 vs AS6"

To view all comments on this document, visit: http://community.jboss.org/docs/DOC-16778#comment-7099

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> Ales Justin wrote:
> 
> 
>                         
> > If jboss-beans.xml works, 
> When it works. :-)
> I unfortunately haven't found the time to do this before 7.0.0.Final.
> But it's getting higher on my TODO list. :-)
> 
> > then basically a bean defined in that could do the deployment of e.g. datasources programmatically, just like the mbeans in JBoss AS 5 did, couldn't it?
> > 
> I don't see why not.
> A bean could definitely do the same ops as CLI client.
> 

It wouldn't be able to invoke ops from its start() method -- it would have to use a separate thread and not block start() waiting for that thread to complete its task.

If a service (i.e. this MC bean) that is installed as part of executing a management op (i.e. deploying an MC deployment) tries to invoke an management op during its start() method, it will deadlock the management layer. So it's forbidden. See  https://issues.jboss.org/browse/AS7-876 https://issues.jboss.org/browse/AS7-876 for what happens when it's attempted.
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