Appreciate for sharing your investigation. I tried to schedule some paragraphs returning no value, but couldn't reproduce the problem. Could you share some code snippets to reproduce the problem?
Thanks, moon On Mon, Nov 14, 2016 at 11:36 AM Florian Schulz <flo_schul...@web.de> wrote: > Hi, > > sorry for my late reponse! I experimented a lot with this in the last days > and I think I have fixed this now, but I'm not sure, what exactly the > problem was. I think it has something to do with functions, which return no > value (type == Unit). I changed all of them to return anything (e.g. a > Boolean), so the REPL receives any return value. > What confuses me a little bit is the fact that also the usage of the %sql > function / the spark sql context is sometimes responsible for the scheduler > blocks. I do nothing more than querying some cached temp tables. As soon as > I change the query a little bit, the problem seems to be away. Jstack helps > a lot to find these issues. > > > Best regards > Florian >