Cross Posting - [ogsa-wg] How to make effective use of WS-BaseFault in GFF specs

Folks,

Steve sent this to the OGSA list. With his permission I cross post it. 
There are some good issues here with BaseFaults.


Begin forwarded message:

> From: Steve Loughran <>
> Date: 14 January 2005 11:42:06 GMT
> To: 
> Subject: [ogsa-wg] How to make effective use of WS-BaseFault in GFF 
> specs
>
> Hello,
>
> I'm looking for some pointers on how people have made effective use of 
> WS-BF in specifications, and what is the general best practise.
>
> 1. How do people wrap SOAPFaults? Do they define a WrappedSoapFault 
> extension of BaseFault? Do they extract the unofficial extra fields, 
> like the Axis HttpFaultCode and stack trace?
>
> 2. What is the i18n policy on descriptio? Is it assumed to be in en-us 
> or whatever the implementor chooses. Given that <description> is 
> allowed multiple times, a language attribute would let me return 
> messages in different languages. Does anyone do that in conjuction 
> with the appropriate xml:lang attributes?
>
> 3. How do people handle native language exceptions? Have the framework 
> generate a SOAPFault and wrap it, or redo all the work themselves?
>
> I'm planning on having a fairly generic 'DeploymentFault' with extra 
> info that I want for diagnosis (hostname, process identifier, stack 
> trace), and under there a few more faults (WrappedSoapFault, 
> LanguageFault) with extra data. All my operations will declare 
> DeploymentFault as their sole return type; the Java equivalent of 
> 'throws Exception'. That way future implementations get scope to add 
> more stuff.
>
> For specific faults which do not need to add new fields, I am not 
> going to type them, but just use the BaseFault/ErrorCode element with 
> different QNames for each fault.
>
> Thoughts?
>
> -Steve
>
>
-- 

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     Dr. David Snelling < David . Snelling . UK . Fujitsu . com >
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