Hi Stian,

Thanks for the suggestions. Some follow-up questions:
* Could the list depths of a beanshell be correct in principle, but that it gets a different input than expected while Taverna1 deals with it somehow instead of giving an error?
* Can Web Services introduce these type of errors too? Or are they by definition strict on e.g. the list depth of their output?

What still puzzles me is the spuriousness of the problem; it seems that with the same input it sometimes happens, and sometimes not. I haven't yet found the input that always produces the error :-(

Thanks,
Marco.


Stian Soiland-Reyes wrote:
On Wed, Mar 25, 2009 at 13:00, Stian Soiland-Reyes
<[email protected]> wrote:


  
Double check all your beanshell scripts in that nested workflow -
perhaps some of them have an if/else thing where they return a string
in one case and a list in another - that would not be legal. (They
would have to wrap the single string as a list as well).
    

.. or it could be the old "a list of" setting on the output port that is wrong.

  

-- 

Marco Roos
Faculty of Science
University of Amsterdam
Kruislaan 403, room F1.02
1098 SJ Amsterdam
tel. +31 (0) 20 525 7522
http://home.medewerker.uva.nl/m.roos1 (includes links to social networks)
Note the change of e-mail address to [email protected]
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