[oXygen-user] How does Oxygen Validate XSDs?

[Eliot Kimber]

Radu,

Thanks for the details. In my code I'm setting up the XSD-specific features
on the parser (schema source locations, validate = true), getting a doc
builder from the JAXP factory and parsing the instance, rather than
validating the schema itself directly. I should be constructing a Xerces
2.9.1 parser but I'll have to verify that.

I'm getting errors about incorrect substitutions and stuff--I'll have to do
some work to recreate the original failures (I routed around the problem by
changing the schema).

I'll try setting up a schema parser as you demonstrate and see if I get the
same validation result Oxygen gets.

Cheers,

E.

On 3/29/11 9:07 AM, "Radu Coravu" <> wrote:

> Hi Eliot,
> 
> Oxygen uses Xerces by default for validating XSD.
> Our used Xerces version is 2.9.1 and we have a lot of patches (as you
> probably already know).
> 
> Our validation code is something like:
> 
>          XMLGrammarPreparser preparser = ......................
>          // parse the grammar...
>          preparser.setErrorHandler(..............);
>          preparser.preparseGrammar(
>              XMLGrammarDescription.XML_SCHEMA,
>              new XMLInputSource(null, systemID, null, reader, null));
> 
> 
> We also have some parser options in the Oxygen Preferences->"XML / XML
> Parser" which are used to create the parser.
> 
> So it's hard to say why this difference occurs, maybe one of our many
> Xerces patches is a fix for your particular situation...
> 
> What error does your validation report?
> 
> Regards,
> Radu
> 
> Radu Coravu
> <oXygen/>  XML Editor, Schema Editor and XSLT Editor/Debugger
> http://www.oxygenxml.com
> 
> 
> On 3/29/2011 4:40 PM, Eliot Kimber wrote:
>> I have an XSD that Oxygen validates fine but my own Xerces-based validator
>> chokes on. Since the client asserts that the schema is valid, I want to
>> understand why I'm seeing a difference in validation results when I would
>> have expected them to be the same.
>> 
>> Is my understanding correct that Oxygen uses Saxon EE to do schema
>> validation rather than Xerces?
>> 
>> Cheers,
>> 
>> E.
>> 
> 
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Eliot Kimber
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