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Re: Schema Namespace name, schemaLocation, and Schema Versioni

• To: Naren Koka <NKoka@s...>
• Subject: Re: Schema Namespace name, schemaLocation, and Schema Versioning
• From: Eddie Robertsson <erobertsson@a...>
• Date: Wed, 17 Jul 2002 10:28:41 +1000
• Cc: "Xml-Dev (E-mail)" <xml-dev@l...>
• References: <B0D7362D106D4D408559BC2E7A14FBF10787A9@C...>
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.0) Gecko/20020530

Hi Naren,

Naren Koka wrote:

>The schmalocation itself is pretty confusing.  For example I have the following xml and xsd
>
>[s.xsd]
>
><?xml version="1.0" encoding="UTF-8"?>
><xsd:schema xmlns:xsd="http://www.w3.org/2000/1/XMLSchema">
>	<xsd:element name="root">
>		<xsd:complexType>
>			<xsd:sequence>
>				<xsd:element name="grade" type="xsd:string"/>
>			</xsd:sequence>
>		</xsd:complexType>
>	</xsd:element>
></xsd:schema>
>
The namespace declaration here is wrong. It should be: 
http://www.w3.org/2001/XMLSchema

>[s.xml]
>
><?xml version="1.0" encoding="UTF-8"?>
><root xmlns:xsi="http://www.w3.org/2000/10/XMLSchema-instance" xsi:noNamespaceSchemaLocation="s.xsd" >
>	<grade>a</grade>
></root>
>
Again, the namespace declaration here is wrong. It should be: 
http://www.w3.org/2001/XMLSchema-instance

>It does not matter what I change the values of xmlns:xsi and the location I get the same errors.  I have s.xsd in the same directory.  Even if I change the file name, there is no effect.  How can I make it look at the schema defined in the same dierctory?
>
If you change the namespace declarations it should work fine.

>[Error] s.xml:2:103: Element type "root" must be declared.
>[Error] s.xml:3:9: Element type "grade" must be declared.
>s.xml: 280 ms (2 elems, 1 attrs, 0 spaces, 4 chars)
>
>What is the purpose of the reference to w3.org?  Is the parser going to connect to the website and check the definitions?  Does this require connectivity to the web site for working?
>
The reference to w3.org is only there to say that the schema you have 
defined is a W3C XML Schema and the parser won't connect to the website 
so you don't need a network connection to validate the above example.

Cheers,
/Eddie

• References:
  • RE: Schema Namespace name, schemaLocation, and Schema Versioning
    • From: "Naren Koka" <NKoka@s...>

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