Schema validation in 2.3.0 version 2003-03-13 - By sandygao@(protected)
I believe the schema is in error: the schema spec requires that the
canonical representations of default/fixed values have to be valid with
respect to the type. In the VoiceXML schema, the canonical rep of the float
value 100.0 is "1.0E2", which doesn't conform to the pattern "[0-9]+|[0-9]
+.[0-9]*|[0-9]*.[0-9]+", so it's incorrect.
The reason earlier Xerces versions didn't detect an error was due to a
Xerces bug, which got fixed in 2.3.0.
Thanks,
Sandy Gao
Software Developer, IBM Canada
(1-905) 413-3255
sandygao@(protected)
Tosello Davide
<Davide.Tosello@(protected) To: xerces-j-user@(protected)
.apache.org
QUENDO.COM> cc:
Subject: Schema validation in
2.3.0 version
03/13/2003 09:10
AM
Please respond to
xerces-j-user
Hi all,
I am currently triyng to validate W3C VoiceXML documents under many XML
validators.
The current schema has been validated without errors on Xerces-J 2.0.2, XSV
2002/01/11,
IBM SQC 2.1.1 and XMLSpy 4.4.
Using the latest Xerces/J 2.3.0, I cannot parse the latest VoiceXML 2.0
Candidate
Recommendation schema. Here is a simple "Hello world" VoiceXML:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0" xmlns="http://www.w3.org/2001/vxml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3.org/2001/vxml
http://www.w3.org/TR/voicexml20/vxml.xsd">
<form>
<block>
Hello,world
</block>
</form>
</vxml>
The error message the SAX parser returns is:
org.xml.sax.SAXException: Error parsing XML at line: 363, column: 72 of
http://www.w3.org/TR/voicexml20/synthesis-core.xsd.
Error Message is: a-props-correct.2: Invalid value constraint value
'100.0' in attribute 'volume'
Since Xerces is a fully-conforming Schema parser, I would like to
understand if there is a
bug into Xerces-J/2.3.0 (other validators parse without errors) or if the
synthesis-core.xsd
needs to be modified.
Regards,
Davide
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