flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Márton Balassi <balassi.mar...@gmail.com>
Subject Re: Error when using scala api .fromElements() / .fromCollection()
Date Mon, 07 Dec 2015 09:52:37 GMT
Hey Alex,

Try adding the following import:

import org.apache.flink.streaming.api.scala._

This adds all the implcit utilities that Flink needs to determine type info.

Best,

Marton

On Mon, Dec 7, 2015 at 10:24 AM, lofifnc <alexander.kolb@mni.thm.de> wrote:

> Hi,
>
> I'm getting an error when using .fromElements() of the
> StreamExecutionEnvironment or ExectutionEnvironment of the scala api:
>
> Error:(53, 54) could not find implicit value for evidence parameter of type
> org.apache.flink.api.common.typeinfo.TypeInformation[Int]
>     val source : DataSet[Int] = env.fromElements[Int](1, 2, 3, 4, 5)
>                                                      ^
> My code looks like this:
> val env = ExecutionEnvironment.createLocalEnvironment(1)
> val source : DataSet = env.fromElements(1, 2, 3, 4, 5)
>
> I'm compiling with java 1.7 and using scala 2.10.4
>
> Best, Alex
>
>
>
> --
> View this message in context:
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Error-when-using-scala-api-fromElements-fromCollection-tp3938.html
> Sent from the Apache Flink User Mailing List archive. mailing list archive
> at Nabble.com.
>

Mime
View raw message