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From Phil Warrick <philip.warr...@mcgill.ca>
Subject Re: OJB inside JBoss
Date Mon, 31 Mar 2003 20:35:29 GMT

There are EJB sample beans for OJB.  Check out the jBoss deployment 
section of the OJB docs and see how far that helps you.


Neeme Praks wrote:
> Hi again!
> There is support for JBoss and other application servers in OJB, but the 
> documentation is lacking, so here are some questions:
> * what version of Jboss OJB has been tested with? 2.4.x vs. 3.x?
> * any specific problems that I should be aware of when trying to run OJB 
> under JBoss?
> * location and loading of repository.xml... How is this achieved under 
> JBoss? AFAIU, repository.xml is located outside of EJB EAR system, in 
> some well-defined location? Is there any support for loading 
> repository.xml file from the deployed EAR achive? I saw something is CVS 
> that dealt with loading mapping info from per-class XML snippets... not 
> sure that this would be the best route to take, however, some way for 
> registering "external" repository.xml with OJB service would be useful? 
> Something like this (pseudo-code):
> Context context = new InitialContext();
> OJBService ojb = context.lookup("OJBService");
> InputStream is = 
> getContextClassloader().getResourceasStream("META-INF/repository.xml");
> ojb.loadRepository(is);
> //... rest of the stuff here, using OJB, etc
> Would something like this be possible? Or maybe it is already possible?
> * also, do I have to declare something "special" in my deployment 
> descriptors, in order to get access to OJB?
> * and, is it a good idea to put all the OJB jar files under Jboss lib 
> directory? Or will it create some classloading problems?
> * what about the OM classes? should these be also in the same 
> classloader as OJB? Or can OM classes stay in my EAR classloader and OJB 
> stay in Jboss "root" classloader?
> Loads of questions, but hopefully there are also some answers... if I 
> get it all working, then afterwards I would be willing to put together 
> some sort of JBoss howto... ;-)
> Rgds,
> Neeme
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