I am using spark 2.4.4 My sbt file looks like
name := "convertor"
version := "0.1"
scalaVersion := "2.11.12"
libraryDependencies += "org.apache.spark" %% "spark-core" % "2.4.4"
libraryDependencies += "org.apache.spark" %% "spark-sql" % "2.4.4"
libraryDependencies += "org.apache.spark" %% "spark-mllib" % "2.4.4" % "runtime"
But still, I'm getting
Error:(6, 25) object ml is not a member of package org.apache.spark
import org.apache.spark.ml.feature.OneHotEncoderEstimator
I tried this library in my sbt file and my problem was solved.
libraryDependencies += "org.apache.spark" %% "spark-mllib" % "2.3.0"