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What am I overlooking...?

• To: xml-dev@l...
• Subject: What am I overlooking...?
• From: "Atchley, John" <John.Atchley@f...>
• Date: Fri, 1 Feb 2002 12:05:08 -0500

Has anyone used XSV successfully?  It appears to be treating namespace URIs
as URLs, and ignoring Schema-instance extensions, or am I just even stupider
than I look?

Here's the header of my instance document:

<?xml version="1.0" encoding="UTF-8"?>
<mydoc
	xmlns="http://notarealurl.com/sourcedata/2002_01_31"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://notarealurl.com/sourcedata/2002_01_31
file:gensrcschema.xsd">

The file gensrcschema.xsd exists in the same folder as my instance document.

Here's the output from XSV:

<?xml version='1.0'?>
<xsv docElt='{http://notarealurl.com/sourcedata/2002_01_31}mydoc'
instanceAssessed='true' instanceErrors='0' nsURIDeref='success'
schemaErrors='0' schemaLocs='' target='file:/C:/Program
Files/XSV/testschema.xml' validation='lax' version='XSV 1.173/1.80 of
2000/10/18 15:54:58' xmlns='http://www.w3.org/2000/05/xsv'>
<importAttempt URI='http://notarealurl.com/sourcedata/2002_01_31'
namespace='http://notarealurl.com/sourcedata/2002_01_31' outcome='failure'/>
<notASchema filename='http://notarealurl.com/sourcedata/2002_01_31'/>
<XMLMessages>
Error: can't find address for host "notarealurl.com" in http URL
"http://notarealurl.com/sourcedata/2002_01_31"
</XMLMessages>
</xsv>

My understanding is that "xmlns=http://notarealurl.com/sourcdata/2002_01_31"
should _never_ be interpretted by an XML parser as a reference to an object
but merely as an URI, even in the absence of xsi:schemaLocation.  However,
as you can see from the above error output XSV is saying that it is "not a
schema filename." 

So, what gives?  Is my understanding of URIs completely faulty, or is XSV
doing a no-no here?

If I haven't made an error, and XSV is mucked up, where does one find a
(preferably free) W3C schema validator that is actually conformant and
useful?

John Atchley
Senior Software Analyst
Engineering and Design, Courseware Support
FlightSafety International, Inc.
mailto:John.Atchley@F...

• Follow-Ups:
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  • Re: What am I overlooking...?
    • From: "Christopher R. Maden" <crism@m...>

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