readCsvFile error: How to specify implicit value for evidence parameter of type

Question

I am working in IntelliJ to create and test a machine learning model that will classify incoming data from a stream. I am working in Scala (2.11.8) and using the Flink framework (1.8.3). I am trying to read a csv file that contains my training data in columns with long, double, and boolean data types with the following lines:

val env = ExecutionEnvironment.getExecutionEnvironment
val trainingDS = env.readCsvFile(./training.csv)(DataSet[(Long, Double, Boolean)])

The error I get is: "Unspecified value parameter evidence$2." This parameter corresponds to the TypeInformation parameter.

What change do I need to make to specify this parameter? My imports include: import org.apache.flink.api.scala._ import org.apache.flink.streaming.api.scala._

Additional iformation: readCsvFile[T : ClassTag : TypeInformation](filePath: String): DataSet[T]

Answer 1

I believe that should be

val trainingDS = env.readCsvFile[(Long, Double, Boolean)]("./training.csv")