Re: Question on XSD elements in groups

Thanks to all for the suggestions.  I have modified my schema
accordingly and no longer receive the error.

Arshad Noor
StrongAuth, Inc.

Florent Georges wrote:
> Arshad Noor wrote:
> 
>   Hi,
> 
>> Since I can only have a Symkey, SymkeyError or a combination
>> of both in the to-be-defined element, why does NB think there
>> will be ambiguity?
> 
>   Because when it will encounter a Symkey, it will be not possible to
> know in the choice if this is the Symkey from the Symkey alternative,
> or from the group alternative.
> 
>> How do I go about accomplishing what I want?
> 
>   The idiomatic solution is to use a choice on Symkey and optional
> SymkeyError, or just a SymkeyError:
> 
>     <xs:choice>
>        <xs:sequence>
>           <xs:element ref="Symkey"/>
>           <xs:element ref="SymkeyError" minOccurs="0"/>
>        </xs:sequence>
>        <xs:sequence>
>           <xs:element ref="SymkeyError"/>
>        </xs:sequence>
>     </xs:choice>
> 
>   For more information, look for "UPA" or "UPA violation".
> 
>   Regards,
> 
> --drkm
> 
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Received on Tuesday, 24 June 2008 00:15:27 UTC