Weird XSD 1.1 assertion error

[Jorge Williams]

Hey Guys,

Can you give me a hand. I'm getting a weird error that I cannot replicate with 
jaxp.SourceValidator  so I know I must be doing something wrong, but I can't 
tell what.

My code looks like this:

package com.rackspace.xerces;

import javax.xml.validation.*;
import javax.xml.transform.stream.*;

public class Test {
   public static void main(String[] args) {
      if (args.length != 2) {
         System.err.println ("Usage: need XSD and instance doc");
         return;
      }

      try {
         System.setProperty 
("javax.xml.validation.SchemaFactory:http://www.w3.org/XML/XMLSchema/v1.1";, 
"org.apache.xerces.jaxp.validation.XMLSchema11Factory");

         String xsd = args[0];
         String instance = args[1];

         SchemaFactory factory = 
SchemaFactory.newInstance("http://www.w3.org/XML/XMLSchema/v1.1";);
         factory.setFeature 
("http://apache.org/xml/features/validation/cta-full-xpath-checking";, true);

         Schema s = factory.newSchema(new StreamSource(xsd));
         s.newValidator().validate(new StreamSource(instance));

      } catch (Exception e) {
         e.printStackTrace();
      }
   }
}


You pass a schema in param 1 and an instance document in param 2, the code 
validates and returns errors.  Here's the schema I'm using to test:


<schema
    elementFormDefault="qualified"
    attributeFormDefault="unqualified"
    xmlns="http://www.w3.org/2001/XMLSchema";
    xmlns:xsd="http://www.w3.org/2001/XMLSchema";
    xmlns:tst="http://www.rackspace.com/xerces/test";
    targetNamespace="http://www.rackspace.com/xerces/test";>

    <element name="e" type="tst:SampleElement"/>
    <element name="a" type="tst:SampleAttribute"/>

    <complexType name="SampleElement">
        <sequence>
            <element name="even" type="tst:EvenInt100" minOccurs="0"/>
        </sequence>
    </complexType>

    <complexType name="SampleAttribute">
        <attribute name="even" type="tst:EvenInt100" use="optional"/>
    </complexType>

    <!-- XSD 1.1 assert -->
    <simpleType name="EvenInt100">
        <restriction base="xsd:integer">
           <minInclusive value="0" />
           <maxInclusive value="100" />
           <assertion test="$value mod 2 = 0" />
        </restriction>
    </simpleType>
</schema>


When I pass the following instance document, the assertion in EvenInt100 trips 
and things fail as expected:

 <a xmlns="http://www.rackspace.com/xerces/test"; even="23"/>

When I pass *this* instance document however, I'd expect the same assertion to 
fail, but it doesn't.

 <e xmlns="http://www.rackspace.com/xerces/test";>
     <even>23</even>
 </e>


The very weird bit is that  jaxp.SourceValidator   works correctly on the 
example, so i must be doing something wrong...but I can't tell what it is.  Any 
ideas?

BTW my code is on github here:

https://github.com/RackerWilliams/xerces-tests/tree/master/schema_tests

You should be able to do a 

mvn clean install

Then 

java -jar target/xerces-test-1.0.0-SNAPSHOT-jar-with-dependencies.jar test.xsd 
test.xml

to illustrate the issue.

Thanks,

-jOrGe W.






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