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Subject: Re: [ebxml-msg] [Fwd: Re: W3C - Link report]
- From: Arvola Chan <arvola@tibco.com>
- To: David Fischer <david@drummondgroup.com>
- Date: Tue, 15 Jan 2002 11:55:48 -0800
David:
We should delete the following line highlighted in
red:
These alternative schema SHALL be available
from the following URL’s:
XML Signature Core -
http://www.oasis-open.org/committees/ebxml-msg/schema/xmldsig-core-schema.xsd
Xlink - http://www.oasis-open.org/committees/ebxml-msg/schema/xlink.xsd
xml:lang -
http://www.oasis-open.org/committees/ebxml-msg/schema
/xml_lang.xsd
SOAP1.1- http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd
We should also replace
Should we replace or should we delete the
line? This is no longer an
"alternative
schema".
David.
-----Original Message-----
From: Arvola Chan
[mailto:arvola@tibco.com]
Sent:
Tuesday, January 15, 2002 12:28 PM
To: David Fischer; ian.c.jones@bt.com
Cc: ebxml-msg@lists.oasis-open.org
Subject:
Re: [ebxml-msg] [Fwd: Re: W3C - Link report]
David:
Since both
Cliff (using Xerces-J 1.4.4) and Peter (using XML Spy 4.0) do not
have
problem with the absence of an explicit declaration of the xml
namespace, I
think the changes to the spec can be limited to what you and I
have
discussed, i.e.,
- remove the explicit identification of "xml:lang
-
http://www.oasis-open.org/committees/ebxml-msg/schema/xml_lang.xsd"
on line
2170
- replace http://www.oasis-open.org/committees/ebxml-msg/schema/xml_lang.xsd
with
http://www.w3.org/2001/03/xml.xsd
as the schema location on line 2189.
Ian:
Can you please post the
attached updated version of msg-header-2_0.xsd? The
changes from the previous
version is shown in the following diff output (the
old version is
msg-header-2_0_bak.xsd):
C:\ebxml>diff msg-header-2_0.xsd
msg-header-2_0_bak.xsd
2,4d1
< <!-- Some parsers may require
explicit declaration
of
'xmlns:xml="http://www.w
3.org/XML/1998/namespace"'.
<
In that case, a copy of this schema augmented with the
above
declaration
should be cached and
used
< for the purpose of schema validation
on ebXML messages. -->
17c14
<
<import
namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation=
"http://www.w3.org/2001/03/xml.xsd"/>
---
>
<import
namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation=
"http://www.oasis-open.org/committees/ebxml-msg/schema/xml_lang.xsd"/>
Thanks,
-Arvola
-----Original
Message-----
From: Peter Ogden <pogden@cyclonecommerce.com>
To:
Arvola Chan <arvola@tibco.com>;
Cliff Collins <collinsc@sybase.com>
Cc: David
Fischer <david@drummondgroup.com>;
Christopher Ferris
<chris.ferris@sun.com>; ebxml-msg@lists.oasis-open.org
<ebxml-msg@lists.oasis-open.org>
Date:
Tuesday, January 15, 2002 10:02 AM
Subject: RE: [ebxml-msg] [Fwd: Re: W3C -
Link report]
Arvola,
I am able to load the file
http://www.oasis-open.org/committees/ebxml-msg/schema/msg-header-2_0.xsd
in
XML Spy (v4.0) without any errors.
Peter
-----Original
Message-----
From: Arvola Chan [mailto:arvola@tibco.com]
Sent: Tuesday,
January 15, 2002 9:43 AM
To: Cliff Collins; Peter Ogden
Cc: David Fischer;
Christopher Ferris; ebxml-msg@lists.oasis-open.org
Subject:
Re: [ebxml-msg] [Fwd: Re: W3C - Link report]
Cliff and
Peter:
I like to check with you guys if Xerces-J and XML Spy still
require
explicit
declaration of the xml namespace, i.e., whether the
declaration
xmlns:xml="http://www.w3.org/XML/1998/namespace"
is still
necessary.
I recall that Cliff has indicated that Xerces-J 1.4.4 works
much better
than
earlier versions. I also have the strong suspicion that
the remaining
error
Error: constraint 3.x.3:
Attribute 'form' cannot appear in element
'attribute'
may have been
solved by replacing our version of xml_lang.xsd
with
either
http:/www.w3.org/2001/03/xml.xsd or
http:/www.w3.org/2001/xml.xsd
because Anli Shundi has warned me that
there is a problem with the use
of
the 'form' construct in
xml_lang.xsd.
Similarly, Peter does not seem to have any problem sharing
with me a
working
version of the CPP/A schema even though it makes use of
the xml:lang
attribute in a way similar to
msg-header-2_0.xsd.
David:
If neither Xerces-J nor XML Spy
requires the explicit xml namespace
delcaration, I suggest we don't even say
in the spec that some parsers
may
require the explicit xml namespace
declaration (a comment in the XSD may
be
sufficient). Therefore,
only one change needs to go into both Appendix
A
and the separately
available msg-header-2_0.xsd. We should simply fix
the
import element for
the xml namespace to use a schema location
of
http:/www.w3.org/2001/03/xml.xsd.
I don't think it is a problem
even if two MSH's have to use different
versions of msg-header-2_0.xsd, one
with the explicit xml namespace
declaration and the other without the
declaration. The schema instances
(i.e., the ebXML messages) may or may not
carry the optional
xsi:schemaLocation indication for the
http://www.oasis-open.org/committees/ebxml-msg/schema/msg-header-2_0.xsd
namespace.
If not, the parser must still be able to resolve the above
namespace. Even if
they do specify the default schema location, i.e.,
http://www.oasis-open.org/committees/ebxml-msg/schema/msg-header-2_0.xsd
the
receiving MSH should still be able to configure its own parser to
use
a
locally cached version of the schema, one that is understandable to
that
parser, instead of the one hinted at by the
xsi:schemaLocation
declaration.
Regards,
-Arvola
-----Original
Message-----
From: David Fischer <david@drummondgroup.com>
To:
Christopher Ferris <chris.ferris@sun.com>; ebXML
Msg
<ebxml-msg@lists.oasis-open.org>
Date:
Tuesday, January 15, 2002 8:06 AM
Subject: RE: [ebxml-msg] [Fwd: Re: W3C -
Link report]
Where in our spec does this need to go? Since we
have voted, I don't
feel
like
we can change anything more than
typo's.
The only place I can find any mention is at the beginning of
Appendix A
but
we
don't actually use this anywhere. I am still
uncomfortable with the
idea of
use
it sometimes and don't use it
sometimes. If Company-A points to a url
.xsd
which does not contain
this declaration (and their parser is fine) and
then
sends to Company-B
who's parser chokes without this .xsd declaration,
then
we
have a
problem. I understand that the schema can be cached locally
and
modified
but that sounds like trouble to me. If two MSHs point
to the same url,
then
that url should work the same in both
cases.
David.
-----Original Message-----
From: Christopher
Ferris [mailto:chris.ferris@sun.com]
Sent:
Tuesday, January 15, 2002 9:01 AM
To: ebXML Msg
Subject: [ebxml-msg] [Fwd:
Re: W3C - Link report]
FYI,
The resource has been fixed, and
there should be no
problems accessing it (no more 403). I therefore
recommend
that we use the URI http://www.w3.org/2001/03/xml.xsd
in
our spec since that is the version that is guaranteed
not to
change.
Cheers,
Chris
-------- Original Message
--------
Subject: Re: W3C - Link report
Date: Tue, 15 Jan 2002 04:28:31
-0500
From: Dominique Hazael-Massieux <dom@w3.org>
To: chris.ferris@sun.com
CC: web-human@w3.org, ht@w3.org
References: <200201141845.NAA13588@www19.w3.org>
On
Mon, Jan 14, 2002, chris.ferris@sun.com wrote:
>
Email:
chris.ferris@sun.com
>
Originating
URL: http://www.w3.org/2001/xml.xsd
>
Forbidden
Page:
http://www.w3.org/2001/03/xml.xsd
>
Comments:
The schema document at the URI
http://www.w3.org/2001/xml.xsd
indicates
that the permanent URI of the current resource will be at the
forbidden URI
address. It
would seem to me that the URI http://www.w3.org/2001/xml.xsd
has
incorrect
access control applied
to it. From the
comments within the schema: "In keeping with the
XML
Schema
WG's standard
versioning policy, this schema
document will persist at
http://www.w3.org/2001/03/xml.xsd.
At
the date of issue it can also be found at
http://www.w3.org/2001/xml.xsd.
The
schema
document at
that URI may however change in the future, in order to
remain
compatible
with
the latest version
of XML Schema
itself. In other words, if the XML Schema
namespace
changes,
the
version of this
document
at http://www.w3.org/2001/xml.xsd
will change accordingly;
the
version at
http://www.w3.org/2001/03/xml.xsd
will not change."
Fixed, thank you for your
report!
Regards,
Dom
--
Dominique Hazaël-Massieux - http://www.w3.org/People/Dom/
W3C's
Webmaster
mailto:dom@w3.org
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