Github user krishnakalyan3 commented on a diff in the pull request: https://github.com/apache/spark/pull/14179#discussion_r70899726 --- Diff: R/pkg/R/sparkR.R --- @@ -155,6 +155,9 @@ sparkR.sparkContext <- function( existingPort <- Sys.getenv("EXISTING_SPARKR_BACKEND_PORT", "") if (existingPort != "") { + if(sparkPackages != ""){ + warning("--packages flag should be used with with spark-submit") --- End diff -- @shivaram @felixcheung how about something like `sparkPackages cannot be used as an argument within sparkR.init please use the --packages flag while using spark-submit or sparkR shell`
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