Error:(17, 34) could not find implicit value for evidence parameter of type org.apache.flink.api.com

find implicit value for evidence parameter of type org.apache.flink.api.com"/>

Error:(17, 34) could not find implicit value for evidence parameter of type org.apache.flink.api.com

IDEA运行Flink程序报错

Error:(17, 34) could not find implicit value for evidence parameter of type 
org.apache.flink.api.common.typeinfo.TypeInformation[Int]

原因是没有导入隐式转换，导入隐式转换即可。

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