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Asked: 2026-05-28T02:59:50+00:00

So I parsed a bunch of XMLs to generate a giant schema file using

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So I parsed a bunch of XMLs to generate a giant schema file using trang which went fine. However, when I try to generate sources using xjc, I get the following error,

xjc reutersXMLSchema.xsd 
parsing a schema...
[ERROR] no-xsi: The {target namespace} of an attribute declaration must not match       'http://www.w3.org/2001/XMLSchema-instance'.
line 11 of file:/Users/cqin/Downloads/trang-20081028/xsi.xsd

Failed to parse a schema.

The schema looks like the following,

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"   targetNamespace="http://www.w3.org/2001/XMLSchema-instance"      xmlns:filter="http://schemas.reuters.com/ns/2006/04/14/rmds/webservices/news/filter"   xmlns:ns0="http://www.reuters.com/ns/2006/05/01/webservices/rkd/News_1"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:s="http://www.w3.org/2003/05/soap-envelope"  xmlns:ns1="http://schemas.reuters.com/ns/2006/04/14/rmds/webservices/news/headlineml"  xmlns:cache_1="http://www.reuters.com/ns/2008/03/01/webservices/rkd/Cache_1"  xmlns:ns2="http://www.reuters.com/ns/2006/05/01/webservices/rkd/TokenManagement_1" xmlns:global="http://www.reuters.com/ns/2006/05/01/webservices/rkd/Common_1"  xmlns:a="http://www.w3.org/2005/08/addressing">
<xs:import   namespace="http://schemas.reuters.com/ns/2006/04/14/rmds/webservices/news/filter"   schemaLocation="filter.xsd"/>
<xs:import namespace="http://schemas.reuters.com/ns/2006/04/14/rmds/webservices/news/headlineml" schemaLocation="ns1.xsd"/>
<xs:import namespace="http://www.reuters.com/ns/2006/05/01/webservices/rkd/Common_1" schemaLocation="global.xsd"/>
<xs:import namespace="http://www.reuters.com/ns/2006/05/01/webservices/rkd/News_1" schemaLocation="reutersXMLSchema.xsd"/>
<xs:import namespace="http://www.reuters.com/ns/2006/05/01/webservices/rkd/TokenManagement_1" schemaLocation="ns2.xsd"/>
<xs:import namespace="http://www.reuters.com/ns/2008/03/01/webservices/rkd/Cache_1" schemaLocation="cache_1.xsd"/>
<xs:import namespace="http://www.w3.org/2003/05/soap-envelope" schemaLocation="s.xsd"/>
<xs:import namespace="http://www.w3.org/2005/08/addressing" schemaLocation="a.xsd"/>
<xs:attribute name="type" type="xs:NCName"/>
</xs:schema>

Any idea why it won’t work?

I’ve tried changing the targetNameSpace to something unique but I get more errors so I’m wondering if there is something I can do with the original error.

Thanks!

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1 Answer

  1. Editorial Team

    Yes, this isn’t right:

    targetNamespace="http://www.w3.org/2001/XMLSchema-instance"

    This is saying that the target namespace of your schema is actually the namespace of the Schema definition schema itself (i.e. the schema which defines the things like <xs:schema> and <xs:import> actually mean). This schema is fixed, you can’t write your own schema targeting it, which is why XJC is rejecting it.

    I’ve tried changing the targetNameSpace to something unique but I get more errors

    Keep trying that, you’ll get further than with what you have now. However, the fact that trang is generating this bad schema at all is suggestive that you’ve done something wrong further back along the line. Perhaps you asked it to generate a combined schema which included the http://www.w3.org/2001/XMLSchema-instance schema itself, which is almost certainly not what you want to do.

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