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XML validation common mistakes question

Adam Teg
Ranch Hand

Joined: Jul 10, 2007
Posts: 59
Any guess why an DocumentBuilder parses an XML fine but it does not catch the schema contraint error. When I put a malformed xml it catches the problem. But when I remove a required attribute it is fine. I have setAttribute with XMLSchema and XSD. Please hint on common mistakes.

Thanks
Paul Clapham
Sheriff

Joined: Oct 14, 2005
Posts: 19693
    
  10

That's probably because you aren't telling the parser to validate against your schema, or if you are then you aren't doing it correctly.

I haven't used schemas myself but the Ranch has an XML FAQ page. There are links about validating against schemas there, so check them out.
 
It is sorta covered in the JavaRanch Style Guide.
 
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