On Sunday, 20 Oct 2019 at 16:05, Cecil Westerhof wrote:
> I would like to generate different types of graphics files at the same
> moment. I tried:
>     #+BEGIN_SRC plantuml :file Graphics/rabbitMQ.eps :file
> Graphics/rabbitMQ.jpg :noexport
>
> But that does not work: it only generates the eps file.
>
> Is it possible at all?

No, I do not think it is possible.  However, if you name your source
block, you can invoke the same block with different parameters using
#+call:

See the info manual: (org) Evaluating Code Blocks