RE: Problems with XMLBeans validation

[Radu Preotiuc-Pietro <ra...@bea.com>]

I know it's been over a month since this was asked, but today I finally
took some time and reviewed the rules for keyref validation (there's
also been a recent thread on xmlschema-dev about this very issue).
It turns out that in a non-intuitive way, XMLSchema is esentially
prohibiting keyrefs from resolving to keys that are duplicated within
the scope of the context element for the keyref. Note that the keys
themselves are ok, since their scopes are disjoint, it's only when they
are referenced by a keyref that the problem occurs.
 
So basically, in this instance, Xerces got confused and XmlBeans was
right. Whew!
In case this is still useful, IMO keyrefs should be declared on the same
element as the corresponding key to ensure intuitive behavior.
 
Thanks,
Radu

	-----Original Message-----
	From: lawrence.mclean@centrelink.gov.au
[mailto:lawrence.mclean@centrelink.gov.au] 
	Sent: Wednesday, September 07, 2005 9:46 PM
	To: user@xmlbeans.apache.org
	Subject: Problems with XMLBeans validation
	
	


	Hi, 
	
	The attached  schema and matching xml sample show apparent
problems with XMLBeans validation. The xml sample validates ok with the
latest xerces, as well, the schema seem ok to me. 
	
	Please note that the schema may seem a bit odd, with apparently
redundant elements, it is the way it is for historical reasons, what is
important is that it does appear to be a valid schema in spite of
XMLBeans saying that the matching xml sample is invalid. 
	
	Can anyone see a problem with my key definitions, or is there
indeed a problem with XMLBeans validation? 
	
	Thanks, Lawrence 
	
	
	
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