[oXygen-user] XML Schema validation and XInclude

George Cristian Bina
Mon Nov 14 04:10:49 CST 2005

Hi Rob,

We are not able to reproduce that, please make sure both files are saved 
on disk. If you still have problems it may help if you send your files 
In any case it is recommended to upgrade to the latest oXygen 6 release, 
version 6.2.
For the schema for XML please use the official schema, eventually you 
can refer to it using its remote location and resolve that to a local 
copy through an XML Catalog file.

Best Regards,
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger

Robert Koberg wrote:
> Hi,
> I have some XML Schemas that xs:import the xml namespace attributes 
> (xml:base so I can use XInclude and be able to validate it). I am 
> getting a validation error on the schemas themselves when I try to 
> validate in oxygen saying they can't find the xml.xsd which is in the 
> same directory as the import schema. Here is the error message:
> Description: W schema_reference.4: Failed to read schema document 
> 'xml.xsd', because 1) could not find the document; 2) the document could 
> not be read; 3) the root element of the document is not <xsd:schema>.
> URL: http://www.w3.org/TR/xmlschema-1/#schema_reference
> When I use JARV/MSV the schemas validate (and so does the instance 
> document).
> Is this a bug in oxygen or perhaps xerces? I am using oxygen 6.1 and Mac 
> OS X.
> (I have also tried using xs:anyAttribute with the xml namespace and 
> neither oxygen or JARV validates the instance document.)
> Here is a test schema and a xml.xsd:
> <?xml version="1.0" encoding="UTF-8"?>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
>   <xs:import namespace="http://www.w3.org/XML/1998/namespace" 
> schemaLocation="xml.xsd"/>
> </xs:schema>
> <?xml version="1.0" encoding="UTF-8"?>
> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
> elementFormDefault="qualified" 
> targetNamespace="http://www.w3.org/XML/1998/namespace" 
> xmlns:xml="http://www.w3.org/XML/1998/namespace">
>   <xsd:attribute name="base"/>
> </xsd:schema>
> best,
> -Rob
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