对象 ml 不是包 org.apache.spark 的成员

object ml is not a member of package org.apache.spark

我正在尝试迈出 Mllib 的第一步。我的库依赖项是:

libraryDependencies += "org.apache.spark" % "spark-core_2.11" % "2.2.0"
libraryDependencies += "com.github.fommil.netlib" % "all" % "1.1.2"

但我仍然得到:

Error:(4, 27) object ml is not a member of package org.apache.spark
  import org.apache.spark.ml.regression.GeneralizedLinearRegression

您已经包含了对 Spark Core 的依赖,您还应该添加 Spark MLLib:

libraryDependencies += "org.apache.spark" % "spark-mllib_2.11" % "2.2.0"

或更简单:

libraryDependencies += "org.apache.spark" %% "spark-mllib" % "2.2.0"