Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/19944
cc @felixcheung Very weird... I can reproduce it in my local environment.
Could you take a look at why SparkR failed?
```
Caused by: org.apache.spark.SparkException: R computation failed with
Error : requireNamespace("e1071", quietly = TRUE) is not TRUE
at org.apache.spark.api.r.RRunner.compute(RRunner.scala:108)
at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:51)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:108)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
... 1 more
```
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