Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/21278#discussion_r186939722
--- Diff: R/pkg/R/utils.R ---
@@ -756,7 +756,7 @@ launchScript <- function(script, combinedArgs, wait =
FALSE) {
# stdout = F means discard output
# stdout = "" means to its console (default)
# Note that the console of this child process might not be the same as
the running R process.
- system2(script, combinedArgs, stdout = "", wait = wait)
+ system2(script, combinedArgs, stdout = stdout, wait = wait, stder =
stderr)
--- End diff --
nit: `stder` -> `stderr`
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