Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5096#discussion_r27765229
--- Diff:
core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala ---
@@ -211,9 +212,9 @@ private[deploy] class SparkSubmitArguments(args:
Seq[String], env: Map[String, S
printUsageAndExit(-1)
}
if (primaryResource == null) {
- SparkSubmit.printErrorAndExit("Must specify a primary resource (JAR
or Python file)")
+ SparkSubmit.printErrorAndExit("Must specify a primary resource (JAR
or Python or R file)")
}
- if (mainClass == null && !isPython) {
+ if (mainClass == null && !isPython && !isR) {
--- End diff --
how about `if (mainClass == null && isUserJar(primaryResource))`?
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