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https://issues.apache.org/jira/browse/XERCESJ-1577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447627#comment-13447627
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Radu Coravu commented on XERCESJ-1577:
--------------------------------------
I found where the problem is:
In the method:
org.apache.xerces.impl.xs.traversers.XSAttributeCheckerXerces.checkAttributes(Element,
boolean, XSDocumentInfo, boolean)
there is some code like:
if (oneAttr.valueIndex == ATTIDX_SUBSGROUP) {
.....
} else{
.....
}
If you look at the "else" branch, it contains a special fix for chameleon
schemas with the comment:
// kludge to handle chameleon includes/redefines...
That particular fix must be done also on the "if" branch.
> Error when referencing substitution group with chameleon namespace
> ------------------------------------------------------------------
>
> Key: XERCESJ-1577
> URL: https://issues.apache.org/jira/browse/XERCESJ-1577
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.0 Structures
> Affects Versions: 2.11.0
> Reporter: Radu Coravu
>
> 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.
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