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Ken Howard

Subject: DTD to Schema conversion generating validation error
Author: Ken Howard
Date: 11 Jul 2008 01:50 PM

I have a dtd which contains an element as follows:

<!ELEMENT el(a*|b|c|(b,c))>

The schema generated gives the following error when I try to run through JAXB1.0

[ERROR] cos-nonambig: "":b and "":c (or elements from their substitution group) violate "Unique Particle Attribution". During validation against this schema, ambiguity would be created for those two particles.

Is there a way around this?

Thanks,
Ken

(Deleted User)

Subject: DTD to Schema conversion generating validation error
Author: (Deleted User)
Date: 18 Jul 2008 04:53 AM

This DTD is ambiguous: when <el> contains <b>, the schema validator doesn't know whether to accept it as a single <b> or look for a <c> after it. This violates the Unique Particle Association, i.e. being able to uniquely associate an element to a particle in the schema without any look-ahead.

Alberto

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