Namespaces and schema locations

["O'Connor, Ivan" <iv...@csfb.com>]

I'm having a problem specifying (or understanding) namespaces - any help would be appreciated.

My schema document looks roughly like this:

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            xmlns="http://com.csfb.equity.isis/report"
            targetNamespace="http://com.csfb.equity.isis/report">

  ... lots of definitions here...

  <xsd:element name="report" type="reportType"/>

</xsd:schema>

As far as I understand it, this says that the default namespace is http://com.csfb.equity.isis/report, and the target namespace is the same. Any elements without a prefix belong to the default namespace.

In my instance document I have the following:

<report xmlns ="http://com.csfb.equity.isis/report"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://com.csfb.equity.isis/report
                            http://com.csfb.equity.isis/schema/Report.xsd">
... the report specification goes here...
</report>

This should, I believe, associate the namespace http://com.csfb.equity.isis/report with my schema definition, Report.xsd. When I run this through the parser (developed with Xerces-J 1.3.0) I get the following error:

Error: org.xml.sax.SAXParseException: General Schema Error: Grammar with uri 2: http://com.csfb.equity.isis/report , can not found.

Can anyone shed any light on this?

Thanks,

Ivan

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