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From Aaron Mulder <ammul...@alumni.princeton.edu>
Subject Re: Schema target name space (& Sun's IP)
Date Wed, 01 Oct 2003 13:09:19 GMT
	Another issue that I just noticed is that we have copied Sun's web
Schema into the Geronimo Web schema (see geronimo-web-app.xsd) including
the Sun copyright and the part saying you can't reproduce it without prior
written consent from Sun.  I suspect we ought to remove this and replace
it with something more like the geronimo-ejb-jar.xsd

Aaron

On Wed, 1 Oct 2003, Aaron Mulder wrote:
> On Wed, 1 Oct 2003, Alan D. Cabrera wrote:
> > The schema target namespace seems to be http://java.sun.com/xml/ns/j2ee.
> > Shouldn't it be http://geronimo.apache.org/xml/schema/j2ee?
> 
> 	I think we need to discuss this.  I originally thought to use the
> http://geronimo.apache.org/xml/schema/j2ee  address.  But I've been burned
> by the changing DTDs of "certain other products" enough that I then
> decided it should be something more like
> http://geronimo.apache.org/xml/schema/1.0/j2ee/1.4/ where the first
> version is the product version and the second version is the J2EE version
> or something, since we'll need to support several J2EE versions in each
> Geronimo version (though of course only one of them uses schemas so far).
> 
> 	But I think many of the Geronimo schemas were changed to use the 
> Sun namespace so they would all appear in one pool with the Sun tags.  
> That is, you could use:
> 
> <entity>
>   <ejb-name>foo</ejb-name>
>   <jndi-name>bar</jndi-name>
> </entity>
> 
> 	Where you mix the Sun "entity" and "ejb-name" tags with the 
> Geronimo "jndi-name" tag without needding to use namespaces:
> 
> <entity>
>   <ejb-name>foo</ejb-name>
>   <ger:jndi-name>bar</ger:jndi-name>
> </entity>
> 
> 	Of course, that's a bad example because Sun defines a "jndi-name" 
> element, but you get the idea.
> 
> 	On the other hand, we haven't done a very complete job, since now 
> there's *both* a Sun "jndi-name" and a Geronimo "jndi-name", and you have 
> to use one for the EJBs and the other for resolving references, which is 
> the worst of both worlds, because you don't know which you're supposed to 
> use until your validating parser barfs.  I think that could be fixed by 
> changing the namespace declaration in geronimo-common.xsd.
> 
> 	Anyway, my preference would be to declare all the Geronimo tags in
> a Geronimo namespace.  If every app server decided to put its custom tags
> in the J2EE namespace, there could be some fairly unpleasant collisions.  
> I'm not yet decided whether we should repeat all the base Sun tags in a
> big set of copy schemas (ick), or force the use of namespaces within the
> Geronimo DD (ick).  I guess my real preference is to split the DDs back up
> again so that's not a problem.  :)
> 
> Aaron
> 


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