When parsing an xml document I would like to use validation (Java/SAXParser).

Just to make sure that my xml doc is valid I have used XMLSpy which told me the xml doc was 100% valid.

When I am parsing the xml doc by the SAXParser in Java the xml is *INVALID*. The reason for this is the error message "A schema cannot contain two global components with the same name; this schema contains two occurrences of...".
This error message make sense, but my XML is structured this way and I would like to keep it like that.

Therefore does anyone know if there is work around or a way to make the SAXParser avoid the above error message? Or do I need to use a different parser? and thirdly why is XMLSpy not complaining like the SAXParser?

Thanks in advance for any help!

It's a good idea to make sure that an XML Schema that you use is valid against the W3C XML Schema recommendation. Xerces tends to apply more rigorous checks than XML Spy, so in the absence of evidence to the contrary I would assume that Xerces is right to reject your schema and XML Spy is wrong to accept it. If this is true then you need to fix your schema.

Alternatively it's possible that this is a schema composition issue - same object in two different schema documents - and in this case the W3C spec leaves implementations some flexibility. If this is the case then there may be ways of invoking Xerces that avoid the failure condition.

Michael Kay
http://www.saxonica.com/
Author, XSLT Programmer's Reference and XPath 2.0 Programmer's Reference

Thanks for the answer!