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POIs this a bug in XSD implementation? Why doesn't this work?
 

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  1. POIs this a bug in XSD implementation? Why doesn't this work?
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    <p>I have one xsd file I'd rather not modify (Exceptions.xsd):</p> <pre><code>&lt;xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://me.com/Exceptions.xsd" targetNamespace="http://me.com/Exceptions.xsd" elementFormDefault="qualified" attributeFormDefault="unqualified" &gt; &lt;xs:element name="Exception" type="ExceptionType" /&gt; &lt;xs:complexType name="ExceptionType"&gt; &lt;xs:sequence&gt; &lt;xs:element name="Code" type="xs:string" minOccurs="0"/&gt; &lt;xs:element name="Message" type="xs:string"/&gt; &lt;xs:element name="TimeStamp" type="xs:dateTime"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:schema&gt; </code></pre> <p>I want to create a new element with an other name that implements that ExceptionType (ExceptionsExtensions.xsd - Alternative 1).</p> <pre><code>&lt;xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://me.com/Exceptions.xsd" targetNamespace="http://me.com/Exceptions.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation= " http://me.com/Exceptions.xsd Exceptions.xsd " elementFormDefault="qualified" attributeFormDefault="unqualified"&gt; &lt;xs:element name="SpecificException" type="ExceptionType" /&gt; &lt;/xs:schema&gt; </code></pre> <p>I get the error message: Type '<a href="http://me.com/Exceptions.xsd:ExceptionType" rel="nofollow noreferrer">http://me.com/Exceptions.xsd:ExceptionType</a>' is not declared.</p> <p>However, if I would do this (ExceptionExtensions.xsd - Alternative 2):</p> <pre><code>&lt;xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://me.com/Exceptions.xsd" targetNamespace="http://me.com/Exceptions.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation= " http://me.com/Exceptions.xsd Exceptions.xsd " elementFormDefault="qualified" attributeFormDefault="unqualified"&gt; &lt;xs:element name="SpecificException"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="innerException"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:any namespace="http://me.com/Exceptions.xsd" /&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; </code></pre> <p>I can validate</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;SpecificException xmlns="http://me.com/Exceptions.xsd"&gt; &lt;innerException&gt; &lt;Exception&gt; &lt;Code&gt;12&lt;/Code&gt; &lt;Message&gt;Message&lt;/Message&gt; &lt;TimeStamp&gt;2009-08-27T11:30:00&lt;/TimeStamp&gt; &lt;/Exception&gt; &lt;/innerException&gt; &lt;/SpecificException&gt; </code></pre> <p>So in Alternative 1 it CANNOT find the ExceptionType which is declared in Exceptions.xsd, but in Alternative 2 it CAN find the Exception-element which is declared in Exceptions.xsd.</p> <p>Why doesn't Alternative 1 work?</p> <p>Kind regards, Guillaume Hanique</p>
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