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Re: Comments on WebArch

From: David Booth <dbooth@w3.org>
Date: Thu, 26 Feb 2004 11:48:57 -0500
Message-Id: <>
To: www-ws-desc@w3.org
Cc: Jacek Kopecky <jacek.kopecky@systinet.com>

+1.  There is no conflict.

The WSDL processor doesn't need verify portions of the WSD that it doesn't 
need.  If the portion of the WSD that is in error is not needed (according 
to the WSDL spec) for the task at hand, and the processor doesn't see the 
error, and hence there is no error from which to recover.  On the other 
hand, if the processor DOES depend on something that is in error, then it 
would be bad to silently recover.

In http://lists.w3.org/Archives/Public/www-ws-desc/2004Feb/0201.html Jacek 
>JMarsh wrote:
> > 1.2.3: "Principle: Error recovery.  Silent recovery from error is
> > harmful."
> >
> > Could this conflict with the ability to only use a part of a document
> > that does not contain errors, without flagging errors in other parts of
> > the document?
>We don't say that when a processor encounters an error, it may try to
>recover silently. What we say is a processor may not traverse some parts
>of a document and therefore not detect any errors in it. No conflict.

David Booth
W3C Fellow / Hewlett-Packard
Telephone: +1.617.253.1273
Received on Thursday, 26 February 2004 11:49:06 UTC

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