I think it is a stupid problem. But I do not know how it can be cracked:
I want need the user to be able to download a file that is stored somewhere in the server.
I found some solutions like:
If I integrate this code in my action or actionListener method it does not works.
The reason is that the result for the response
HttpServletResponse response =
( HttpServletResponse ) context.getExternalContext().getResponse();
is always null.
Have anyone a tip?