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Subject: Re: [ebxml-msg] envelope.xsd
Arvola,
My comments were against 2.0 I think, not 2.0c. However, I think
that we are in agreement. I am suggesting that the spec make no mention
whatsoever of our snapshot of the SOAP envelope schema.
I would therefore recommend that lines 619-624 be deleted, leaving:
All ebXML MSH implementations are strongly RECOMMENDED to include the
XMLSchema-instance 625
namespace qualified schemaLocation attribute in the SOAP Envelope element to
indicate to validating 626
parsers a location of any schema document(s) that should be used to
^^^^^^^^^^^^^^^^^^^^^^
validate
the document. Failure to 627
include the schemaLocation attribute could prevent XML schema validation of
received messages. 628
and then delete the remainder of the section. No example is necessary
IMO, we leave that to the developer to work out how to use
xsi:schemaLocation.
Cheers,
Chris
Arvola Chan wrote:
> Chris:
>
> Your line numbers are a bit off. Which version of the spec are you referring
> to? Here is the relevant portion in the 2_0c spec:
>
> 2.3.2 xsi:schemaLocation attribute 618
> The SOAP namespace: 619
> http://schemas.xmlsoap.org/soap/envelope/ 620
> resolves to a W3C XML Schema specification. The ebXML OASIS ebXML Messaging
> TC has provided 621
> an equivalent version of the SOAP schema conforming to the W3C
> Recommendation version of the XML 622
> Schema specification [XMLSchema]. 623
> http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd 624
> All ebXML MSH implementations are strongly RECOMMENDED to include the
> XMLSchema-instance 625
> namespace qualified schemaLocation attribute in the SOAP Envelope element to
> indicate to validating 626
> parsers a location of the schema document that should be used to validate
> the document. Failure to 627
> include the schemaLocation attribute could prevent XML schema validation of
> received messages. 628
> For example: 629
> <SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" 630
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 631
> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/ 632
> http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd"> 633
> In addition, ebXML SOAP Header and Body extension element content may be
> similarly qualified so as 634
> to identify the location where validating parsers can find the schema
> document containing the ebXML 635
> namespace qualified SOAP extension element definitions. The ebXML SOAP
> extension element schema 636
> has been defined using the W3C Recommendation version of the XML Schema
> specification 637
> [XMLSchema] (see Appendix A). The XMLSchema-instance namespace qualified
> schemaLocation 638
> attribute should include a mapping of the ebXML SOAP Envelope extensions
> namespace to its schema 639
> document in the same element that declares the ebXML SOAP Envelope
> extensions namespace. 640
>
> Your suggested changes do not seem directly applicable to the 2_0c spec.
> Also, it may still be puzzling to uninitiated readers why we have introduced
> our own snapshot of envelope.xsd without the deleted information. If we make
> changes to the spec at this point, I would have preferred that we do it
> properly by specifying http://schemas.xmlsoap.org/soap/envelope/ as the
> schema location. If we want to leave the spec as is, then I recommend
> replacing the contents of
> http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd.
>
> Regards,
> -Arvola
>
> -----Original Message-----
> From: Christopher Ferris [mailto:chris.ferris@sun.com]
> Sent: Tuesday, March 05, 2002 1:43 PM
> To: Christopher Ferris
> Cc: Arvola Chan; David Fischer; Ian. C. Jones (E-mail); ebXML Msg
> Subject: Re: [ebxml-msg] envelope.xsd
>
>
> oops, I meant to include the email in which I made
> a proposal to address the schemaLocation section.
>
> Since it isn't archived, here is the relevant fragment
> from the email I sent to David, Ian, Arvola and Doug:
>
> -------------------------------------------------------------------
> *** w/r/t section 2.3.2, I think that its removal in whole is uncalled
> for. I would propose
> the following alternative approach:
>
> 1 - delete lines 620-639
> 2 - modify line 640 as follows:
>
> In addition, ebXML SOAP Header and Body extension element content must
> may be similarly qualified so as to identify the location where
> validating parsers can find the schema document containing the ebXML
> namespace qualified SOAP extension element definitions.
>
> 3 - modify example at line 651 as follows:
>
> <SOAP:Envelope
> xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>
> http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd" >
>
> -------------------------------------------------------------------
> Cheers,
>
> Chris
>
> Christopher Ferris wrote:
>
>
>>Arvola,
>>
>>And I countered with a proposal that I think addressed the
>>issue without actually removing the schemaLocation section[1].
>>
>>The point is (from my perspective) that we don't want to
>>preclude use of schemaLocation (for any purpose) but that
>>we don't necessarily want to encourage its use for the
>>SOAP envelope.xsd since we really don't own this.
>>
>>We previously had an issue w/r/t the version of XSD that
>>was used to create the schema document at the namespace
>>URI, but we no longer have an issue so why are we continuing
>>to recommend this practice.
>>
>>I would suggest that if anything, we say that the schemaLocation
>>is:
>>
>>xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>http://schemas.xmlsoap.org/soap/envelope/"
>>
>>If we replace what is at:
>>
>>http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd
>>
>>
>>with what is at:
>>
>>http://schemas.xmlsoap.org/soap/envelope/
>>
>>I'm okay with that too, but we still don't want to advertise this
>>in the spec IMO.
>>
>>Cheers,
>>
>>Chris
>>
>>Arvola Chan wrote:
>>
>>
>>>Chris:
>>>
>>>Both Doug and members of the interop team objected to the removal of
>>>section
>>>2.3.2 on the xsi:schemaLocation attribute.
>>>
>>>Here is an excerpt from the 2_0c spec:
>>>
>>>2.3.2 xsi:schemaLocation attribute
>>>The SOAP namespace: http://schemas.xmlsoap.org/soap/envelope/ resolves
>>>to a
>>>W3C XML schema specification. The ebXML OASIS ebXML Messaging TC has
>>>provided an equivalent version of the SOAP schema conforming to the W3C
>>>Recommendation version of the XML Schema specification [XMLSchema].
>>>
>>>http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd
>>>
>>>All ebXML MSH implementations are strongly RECOMMENDED to include the
>>>XMLSchema-instance
>>>namespace qualified schemaLocation attribute in the SOAP Envelope
>>>element to
>>>indicate to validating parsers a location of the schema document that
>>>should
>>>be used to validate the document. Failure to include the schemaLocation
>>>attribute could prevent XML schema validation of received messages. For
>>>example:
>>>
>>><SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/"
>>>xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>>xsi:schemaLocation="http://schemas.xmlsoap.org/soap/envelope/
>>>http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd">
>>>
>>>-Arvola
>>>
>>>-----Original Message-----
>>>From: Christopher Ferris [mailto:chris.ferris@sun.com]
>>>Sent: Tuesday, March 05, 2002 12:35 PM
>>>To: Arvola Chan
>>>Cc: David Fischer; Ian. C. Jones (E-mail); ebXML Msg
>>>Subject: Re: [ebxml-msg] envelope.xsd
>>>
>>>
>>>I thought that we had agreed that we should be referencing
>>>http://schemas.xmlsoap.org/soap/envelope/ directly?
>>>
>>>Chris
>>>
>>>Arvola Chan wrote:
>>>
>>>
>>>
>>>>David:
>>>>
>>>>Since the spec still recommends the use of
>>>>
>>>>http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd
>>>>
>>>>as the schema location for the SOAP Envelope, do we want to replace the
>>>>content of
>>>>
>>>>http://www.oasis-open.org/committees/ebxml-msg/schema/envelope.xsd
>>>>
>>>>with the content of
>>>>
>>>>http://schemas.xmlsoap.org/soap/envelope/ so that we are using the
>>>>
>>>>
>>>official
>>>
>>>
>>>>SOAP 1.1 schema rather than our own crafted version?
>>>>
>>>>-Arvola
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
>>
>>
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>
>
>
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