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Posted to j-users@xerces.apache.org by Thomas Cox <Th...@sas.com> on 2003/12/19 16:21:41 UTC

Validation feature problems

When I try to parse this xml file:

<?xml version="1.0" encoding="UTF-8"?>
<myns:BOGUS xmlns:myns="http://www.bogus.com" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://www.bogus.com file://C:/xml/bogus.xsd">
    <myns:FOO>
        Yada yada yada 
    </myns:FOO>
</myns:BOGUS>

with this schema:

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="http://www.bogus.com" 
    xmlns:xs="http://www.w3.org/2001/XMLSchema" 
    xmlns:myns="http://www.bogus.com" 
    elementFormDefault="qualified" 
    attributeFormDefault="unqualified">
    <xs:element name="BOGUS">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="FOO" maxOccurs="unbounded">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:maxLength value="80"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>

in Xerces 2.6.0 using these features:

	org.apache.xerces.parsers.SAXParser saxParser;
	...
	saxParser.setFeature("http://xml.org/sax/features/validation", true);
      saxParser.setFeature("http://xml.org/sax/features/validation/schema", true);
	...

I get this error:

  Exception class: org.xml.sax.SAXParseException
  Message:         Document is invalid: no grammar found.
  Line:            2
  Column:          12

Any idea why? It works with other validating parsers, and has no problems if the validation feature is turned off.

Thanks,
Thomas Cox

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Re: Validation feature problems

Posted by Michael Glavassevich <mr...@apache.org>.
Hello Thomas,

Try specifying your schema location as 'file:///C:/xml/bogus.xsd'. I
believe the URI you have now will cause the parser to try to connect
via FTP to a non-existent host called 'C:'. I doubt that's what you
intended.

Hope that helps.

On Fri, 19 Dec 2003, Thomas Cox wrote:

> When I try to parse this xml file:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <myns:BOGUS xmlns:myns="http://www.bogus.com"
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>     xsi:schemaLocation="http://www.bogus.com file://C:/xml/bogus.xsd">
>     <myns:FOO>
>         Yada yada yada
>     </myns:FOO>
> </myns:BOGUS>
>
> with this schema:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <xs:schema targetNamespace="http://www.bogus.com"
>     xmlns:xs="http://www.w3.org/2001/XMLSchema"
>     xmlns:myns="http://www.bogus.com"
>     elementFormDefault="qualified"
>     attributeFormDefault="unqualified">
>     <xs:element name="BOGUS">
>         <xs:complexType>
>             <xs:sequence>
>                 <xs:element name="FOO" maxOccurs="unbounded">
>                     <xs:simpleType>
>                         <xs:restriction base="xs:string">
>                             <xs:maxLength value="80"/>
>                         </xs:restriction>
>                     </xs:simpleType>
>                 </xs:element>
>             </xs:sequence>
>         </xs:complexType>
>     </xs:element>
> </xs:schema>
>
> in Xerces 2.6.0 using these features:
>
> 	org.apache.xerces.parsers.SAXParser saxParser;
> 	...
> 	saxParser.setFeature("http://xml.org/sax/features/validation", true);
>       saxParser.setFeature("http://xml.org/sax/features/validation/schema", true);
> 	...
>
> I get this error:
>
>   Exception class: org.xml.sax.SAXParseException
>   Message:         Document is invalid: no grammar found.
>   Line:            2
>   Column:          12
>
> Any idea why? It works with other validating parsers, and has no problems if the validation feature is turned off.
>
> Thanks,
> Thomas Cox
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-j-user-help@xml.apache.org

---------------------------
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org

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