Hi
I need some help with a problem that i ran into. I've created a simple
example to demonstrate it.
There are 3 xsd files with two different targetNamespaces nsA and nsB. I
pasted them at the end of this mail.
The files use imports in the following way:
xsd1(nsA) imports xsd2(nsB) imports xsd3(nsA)
A complexType (Type3) is defined in xsd3.
This is extended by a complexType (Type2) in xsd2.
This is extended by a complexType (Type1) in xsd1.
If i validate these files with XMLSpy, i get the message that these are
all valid xml-schema files.
I do believe that they are valid too, but...
If i try to load xsd1 with SchemaFactory.getSchema(...) (Xerces 2.9.1)
oder try to run xjc with it, i get the following error message:
[ERROR] src-resolve: Cannot resolve the name 'a:Type3' to a(n) 'type
definition' component.
line 11 of file:/home/hansgerd/xml/examples/ex1/xsd2.xsd
If i uncomment the xs:include of xsd3 in xsd1 everything works fine with
no error.
I don't understand what's wrong with these xsd files and why XMLSpy
comes to a different result than Xerces.
Which one ist correct? XMLSpy oder Xerces?
These are the contents of my xsd files.
File: ./xsd1.xsd targetNamespace="nsA"
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
xmlns:b="nsB" targetNamespace="nsA"
elementFormDefault="qualified"
attributeFormDefault="unqualified">
<xs:import namespace="nsB" schemaLocation="xsd2.xsd"/>
<!-- <xs:include schemaLocation="xsd3.xsd"/> -->
<xs:complexType name="Type1">
<xs:complexContent>
<xs:extension base="b:Type2"/>
</xs:complexContent>
</xs:complexType>
</xs:schema>
File: ./xsd2.xsd targetNamespace="nsB"
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
targetNamespace="nsB"
xmlns:a="nsA"
elementFormDefault="qualified"
attributeFormDefault="unqualified">
<xs:import namespace="nsA" schemaLocation="xsd3.xsd"/>
<xs:complexType name="Type2">
<xs:complexContent>
<xs:extension base="a:Type3"/>
</xs:complexContent>
</xs:complexType>
</xs:schema>
File: ./xsd3.xsd targetNamespace="nsA"
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
targetNamespace="nsA"
elementFormDefault="qualified"
attributeFormDefault="unqualified">
<xs:complexType name="Type3"/>
</xs:schema>
Thanks,
Hansgerd Schneider
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