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Subject: Re: [ubl] Validating UBL 2.0 genericode files with Altova XMLSpy

I think the problem is how to configure XMLSpy to 
associate a schema location with a namespace.

Reviewing the XML Catalog specification, it seems 
the catalogue is only useful for mapping URI 
references to physical references.  Without a 
schemaLocation attribute in the genericode 
instances there are no URI references with which to map using a catalogue.

I'm still in favour of not having schemaLocation 
in the instances because, as discussed in the 
teleconference, tying a schema to an instance 
harkens back to the SGML days and limits the 
flexibility of life-cycle management of the 
instance and using different document models at 
different times for a given instance.

If there is a problem with a particular tool, in 
this case XMLSpy, then the question is what is 
available in XMLSpy to map a namespace to a schema location?

In oXygen the menu item is 
Options/Preferences/Editor/Default Schema 
Association, and with that control I can 
determine in my editing environment which schema 
to use for which namespace.  This allows me to 
edit the instance without tying the instance to any particular schema.

So ... I can do what is necessary in oXygen ... 
Juerg cannot, apparently, do the same in XMLSpy, 
so the question is "is there some configuration 
in XMLSpy to map a namespace to a schema?"

. . . . . . . . . . Ken

At 2006-09-25 08:59 +0100, Anthony B. Coates (Miley Watts) wrote:

>Dear Juerg,
>         What information were you expecting XML 
> Spy to use to look up a Schema
>location in the catalog?  Were you expecting it to use the namespace URI?
>You seem surprised that it uses the Schema location.
>         Cheers, Tony.
>On Mon, 25 Sep 2006 02:10:09 +0100, <juerg.tschumperlin@minedu.govt.nz>
>>Is anyone else experiencing this issue:
>>When I edit and validate a UBL 2.0 supplied GC file using XMLSpy 2006
>>SP3, I get this error: "Unable to locate a reference to a supported
>>schema type (DTD, W3C Schema) within this document instance." So far, I
>>understand (well, it is more of a deducting guess really) that XMLSpy is
>>doing this:
>>- if no schemaLocation is present, validation is stopped immediately
>>with the above error message
>>- if the schemaLocation attribute is found (the named file however may
>>be bogus), then the CustomCatalog.xml file (part of XMLSpy installation,
>>and a subset of OASIS XML catalog) is checked:
>>     - if an matching uri name= entry is found in the catalog, then the
>>specified uri= file location is used for the validation (and the one
>>specified in schemaLocation is ignored).
>>     - if no matching uri name= entry is found, then the file name in the
>>schemaLocation attribute is used to validate, or an error reported if
>>that file cannot be found.
>>It appears to me that XMLSpy requires a schemaLocation attribute even if
>>a XML catalog is used to define the storage location.
>>Or is it something to do with my XMLSpy configuration?
>Anthony B. Coates
>Senior Partner
>Miley Watts LLP
>Experts In Data
>+44 (79) 0543 9026
>Data standards participant: ISO 20022 (ISO 15022 XML), ISO 19312,

UBL/XML/XSLT/XSL-FO training: Vårø, Denmark 2006-10-02/06,11-20/24
UBL International 2006  2006-11-13/17 http://www.ublconference.com
World-wide corporate, govt. & user group UBL, XSL, & XML training.
G. Ken Holman                 mailto:gkholman@CraneSoftwrights.com
Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/o/
Box 266, Kars, Ontario CANADA K0A-2E0    +1(613)489-0999 (F:-0995)
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