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Subject: RE: [ebxml-dev] ebxml message Validation Error


I think the ebXML CPPA group ran into a similar issue,
discussed in:

http://lists.oasis-open.org/archives/ebxml-cppa/200202/msg00137.html

I recall that we discussed wrappering the xmldsig EII 
under an element within our
target namespace to avoid the conflict.
Since then we have removed a lot of
#other wildcards, and that may have
changed the situation.

(Looks like there might be a shift-reduce kind of
conflict: do we reduce the xmldsig Reference as part of a sequence of
References or shift to count it in #other? )

The schema might need a tweak to handle the adjacency
of a foreign namespace element (from xmldsig) and an #other
wildcard; Arvola Chan pointed out in our discussion:

"Section 3.10.1 in http://www.w3.org/TR/xmlschema-1 also states:

"Wildcards are subject to the ambiguity constraints 
(Unique Particle Attribution (3.8.6)) as other content 
model particles: If an instance element could match 
either an explicit particle and a wildcard, or one 
of two wildcards, within the content model of a type, 
that model is in error.

Read Arvola Chan's message, cited above, 
for a more thorough explanation.





-----Original Message-----
From: Jeong Ahn Lee [mailto:jeongahn2001@yahoo.com]
Sent: Tuesday, July 02, 2002 4:24 AM
To: Michael C. Rawlins; ebxml ebxml
Cc: ian.c.jones@bt.com; Brian_Gibb@stercomm.com; david@drummondgroup.com
Subject: Re: [ebxml-dev] ebxml message Validation Error


Thank you Rawlins,

but i have not received any responses from the The
OASIS ebXML Messaging Technical Committee members who
can answer this. 

Thanks and regards
Jeong Ahn 



--- "Michael C. Rawlins"
<mike@rawlinsecconsulting.com> wrote:
> I think this is absolutely the correct mailing list
> for this type of 
> question.  However, I'm sorry that I can't offer you
> the answer.  Perhaps 
> someone with experience with the 2.0 MSH can.
> 
> Mike
> 
> At 03:05 AM 7/1/02 -0700, you wrote:
> 
> >Hi all,
> >i am having a problem in validating the ebXML v2.0
> >message aganist a schema.
> >it throws the exception like below.
> >
> >Error:  org.xml.sax.SAXParseException:
> cos-nonambig:
>
>("http://www.w3.org/2000/09/xmldsig#":Reference){0-UNBOUNDED}
> >and
>
>(WC[##other:"http://www.oasis-open.org/committees/ebxml-msg/schema/msg-
header-2_0.xsd"])
> >{0-UNBOUNDED} (or elements from their substitution
> >group) violate "Unique Particle Attribution".
> >
> >
> >i am sorry, if this is not the correct mailing list
> >for this type of question.
> >but i think it is something to do with the XSD
> >specified
>
>http://www.oasis-open.org/committees/ebxml-msg/schema/msg-header-2_0.xs
d
> >
> >please help in solving this
> >
> >Jeong Ahn
> >
> >__________________________________________________
> >Do You Yahoo!?
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> >http://fifaworldcup.yahoo.com
> >
>
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>
---------------------------------------------------------------
> Michael C. Rawlins, Rawlins EC Consulting
> www.rawlinsecconsulting.com
> 


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