[王宇]

Hi， all
     some error occurred when I run flink in minicluster,
flink-version:1.11、scala-version:2.12.0.

Error:(33, 41) could not find implicit value for evidence parameter of type
org.apache.flink.api.common.typeinfo.TypeInformation[(Int, String)]
    val solutionInput = env.fromElements((1, "1"))
Error:(33, 41) not enough arguments for method fromElements: (implicit
evidence$14: scala.reflect.ClassTag[(Int, String)], implicit evidence$15:
org.apache.flink.api.common.typeinfo.TypeInformation[(Int,
String)])org.apache.flink.api.scala.DataSet[(Int, String)].
Unspecified value parameter evidence$15.
    val solutionInput = env.fromElements((1, "1"))
Error:(34, 40) could not find implicit value for evidence parameter of type
org.apache.flink.api.common.typeinfo.TypeInformation[(Int, String)]
    val worksetInput = env.fromElements((2, "2"))
Error:(34, 40) not enough arguments for method fromElements: (implicit
evidence$14: scala.reflect.ClassTag[(Int, String)], implicit evidence$15:
org.apache.flink.api.common.typeinfo.TypeInformation[(Int,
String)])org.apache.flink.api.scala.DataSet[(Int, String)].
Unspecified value parameter evidence$15.
    val worksetInput = env.fromElements((2, "2"))
Error:(47, 41) could not find implicit value for evidence parameter of type
org.apache.flink.api.common.typeinfo.TypeInformation[(Int, String)]
    val solutionInput = env.fromElements((1, "1"))

have tried
https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/types_serialization.html#type-information-in-the-scala-api


thanks