Thanks for reporting back! 2018-03-20 10:42 GMT+01:00 James Yu <cyu...@gmail.com>:
> Just found out that IDE seems auto import wrong class. > While "org.apache.flink.streaming.api.datastream.DataStream" is required, > "org.apache.flink.streaming.api.scala.DataStream" was imported. > > This is a UTF-8 formatted mail > ----------------------------------------------- > James C.-C.Yu > +886988713275 <+886%20988%20713%20275> > > 2018-03-20 16:55 GMT+08:00 James Yu <cyu...@gmail.com>: > >> Hi, >> >> I am following the Taxi example provided on " >> http://training.data-artisans.com/exercises/taxiData.html", however, I >> got the following error message when I copy addSource line into my Intellij >> IDE. >> >> error message --> >> Incompatible types. Required DataStream<TaxiRide> but 'addSource' was >> inferred to DataStreamSource<OUT>: no instance(s) of type variable(s) OUT >> exist so that DataStreamSource<OUT> conforms to DataStream<TaxiRide> >> >> addSource line --> >> DataStream<TaxiRide> rides = env.addSource( >> new TaxiRideSource("/path/to/nycTaxiRides.gz", maxDelay, >> servingSpeed)); >> >> My question would be: how do we addSource in latest Flink? I am >> running flink-1.4.2. >> >> >> This is a UTF-8 formatted mail >> ----------------------------------------------- >> James C.-C.Yu >> +886988713275 <+886%20988%20713%20275> >> > >