This was java 8, snapshot 1.0 :) Maximilian Michels <m...@apache.org> ezt írta (időpont: 2015. nov. 4., Sze, 14:47):
> It's a bug. It also occurs in the Java API. Perhaps we can find a fix > for the release.. > > On Wed, Nov 4, 2015 at 2:40 PM, Maximilian Michels <m...@apache.org> wrote: > > Hi Gyula, > > > > Trying to reproduce this error now. I'm assuming this is 0.10-SNAPSHOT? > > > > Cheers, > > Max > > > > On Wed, Nov 4, 2015 at 1:49 PM, Gyula Fóra <gyf...@apache.org> wrote: > >> Hey, > >> > >> Running the following simple application gives me an error: > >> > >> //just counting by key, the > >> streamOfIntegers.keyBy(x -> > x).timeWindow(Time.milliseconds(3000)).fold(0, ( > >> c, next) -> c + 1).print(); > >> > >> Executing this gives the following error: > >> > >> "No initial value was serialized for the fold window function. Probably > the > >> setOutputType method was not called." > >> > >> Any idea? > >> > >> Cheers, > >> > >> Gyula >
