Why are 'exporting' parameters NOT passed back from an OO method to the workflow?

[Neil Gardiner]

Hi Paul,

This is currently a feature of workflow in OO but currently there seems to
be no clear reason for this. Unless, Jocelyn et al, I am mistaken?

Cheers,
Neil.
2009/3/11 <Paul.Bakker at osr.treasury.qld.gov.au>

>
> Hi,
>
> I have a simple question:
>
>   Why are 'exporting' parameters NOT passed back from an OO method call to
> the workflow?
>
> We have this setup:
>
> A custom OO method exports table ET_MESSAGES -> binds to Task container  ->
> binds to Workflow container
>
> The problem: the method is populating ET_MESSAGES, but it
> is NOT being passed back to the task (or the workflow). So the workflow log
> cannot tell us whether the method succeeded or not.
>
> In debug I found out the reason why. The SAP function module
> SWF_UTL_INVOKE_CLIF_METHOD seems to be checking all method
> parameters, and passing back only those that are of type
> 'RETURNING'.
>
> Whereas my parameter ET_MESSAGES is of type 'EXPORTING'.
>
> When I change it to 'RETURNING', it works.
>
> Is this a bug or a feature? Or am I doing something wrong??
>
> thanks in advance!
> Paul
>
> (PS We're on ECC 6.0. I have searched OSS and WUG but found nothing. SDN is
> down.)
>
>
>
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-- 
Neil Gardiner
Mob: +61 421 451 295
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