Rstudio和Rcmd中的SparkR错误

Question

head（df）SparkR错误

invokeJava出错（isStatic = TRUE，className，methodName，...）：   org.apache.spark.SparkException：由于阶段失败而中止作业：阶段6.0中的任务0失败1次，最近失败：阶段6.0中丢失的任务0.0（TID 6，localhost）：java.io.IOException：无法运行程序“Rscript”：CreateProcess error = 2，系统找不到指定的文件

    at java.lang.ProcessBuilder.start(Unknown Source)

    at org.apache.spark.api.r.RRDD$.createRProcess(RRDD.scala:407)

    at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:445)

    at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:62)

    at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300)

    at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)

    at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

    at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300)

    at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)

    at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

    at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.sc