Radu Coravu created XERCESJ-1591:
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Summary: Cannot properly redefine attribute group which is not
directly in the redefined schema
Key: XERCESJ-1591
URL: https://issues.apache.org/jira/browse/XERCESJ-1591
Project: Xerces2-J
Issue Type: Bug
Components: XML Schema 1.0 Datatypes
Affects Versions: 2.11.0
Reporter: Radu Coravu
Fix For: 2.11.0
This bug is related with: XERCESJ-1584
The samples are these:
1) test.xml
<el xmlns="tns"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="tns 3.xsd"/>
2) 3.xsd
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified" targetNamespace="tns" xmlns="tns">
<xs:redefine schemaLocation="2.xsd">
<xs:attributeGroup name="Para.Decorate">
<xs:attributeGroup ref="Para.Decorate"/>
<xs:attribute ref="id" use="required"/>
</xs:attributeGroup>
</xs:redefine>
<xs:attribute name="id"/>
<xs:element name="el" type="ct"/>
</xs:schema>
3) 2.xsd
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified" targetNamespace="tns">
<xs:include schemaLocation="1.xsd"/>
</xs:schema>
4) 1.xsd
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified"
targetNamespace="tns" xmlns="tns">
<xs:complexType name="ct">
<xs:attributeGroup ref="Para.Decorate"/>
</xs:complexType>
<xs:attributeGroup name="Para.Decorate"/>
</xs:schema>
When an older version of Xerces is used to validate the XML, it reports one
problem on it, that the required "id" attribute is missing.
The Xerces 2.11.0 with XML Schema 1.1 support reports no problem when
validating the XML (both in XML Schema 1.1 and 1.0 compatibility mode).
I think that a similar fix like in XERCESJ-1584 should be also made in the
class:
org.apache.xerces.impl.xs.traversers.XSDAttributeGroupTraverser
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