The gs:Download process lets me download the sample tiger:poi layer syncronously with the following request:
Note that the "my_file_name" Identifier is ignored, and the response has the header "Content-Disposition: attachment; filename=result.zip"
If you then change the ResponseForm tag with the following:
The process returns the link for the status
The process will fail with the following log:
But no feedback is given through the status link, it just returns: