[XERCESJ-1577] Error when referencing substitution group with chameleon namespace

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.11.0
• Fix Version/s: 2.12.0
• Component/s: XML Schema 1.0 Structures
• Assignee: Mukul Gandhi
• Reporter: Radu Coravu
• Created: 13/Aug/12 05:38
• Updated: 22/Jul/16 08:50
• Resolved: 07/Sep/12 12:15

Description

Tested with the libraries from the Xerces-J 2.11.0-xml-schema-1.1-beta release.

If I have a small schema in no-namespace like:

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
<xs:element name="elem" substitutionGroup="p.trans"/>
<xs:element name="p.trans" abstract="true"/>
</xs:schema>

and a schema which has a target namespaces and includes it:

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="mainNS" xmlns:ns="mainNS">
<xs:include schemaLocation="test.xsd"/>
</xs:schema>

Validation of the main schema (or of an XML referencing the XML schema) reports the following problem:

src-resolve.4.1: Error resolving component 'p.trans'. It was detected that 'p.trans' has no namespace, but components with no target namespace are not referenceable from schema document 'file:/C:/Users/radu_coravu/Desktop/xsdProblem/test.xsd'. If 'p.trans' is intended to have a namespace, perhaps a prefix needs to be provided. If it is intended that 'p.trans' has no namespace, then an 'import' without a "namespace" attribute should be added to 'file:/C:/Users/radu_coravu/Desktop/xsdProblem/test.xsd'.

Basically the reference to a substitution group which is in a chameleon schema is not properly binded once the schema is included from a schema which has a target namespace.
This worked in Xerces 2.9.1.