Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16670#discussion_r98113719
--- Diff: R/pkg/inst/tests/testthat/test_Windows.R ---
@@ -20,7 +20,7 @@ test_that("sparkJars tag in SparkContext", {
if (.Platform$OS.type != "windows") {
skip("This test is only for Windows, skipped")
}
- testOutput <- launchScript("ECHO", "a/b/c", capture = TRUE)
+ testOutput <- launchScript("ECHO", "a/b/c", wait = TRUE)
--- End diff --
from https://github.com/apache/spark/pull/16670#discussion_r97393450 this
is "often times the result (error) is not enough to debug the issue."
our options are:
- redirect stdout always (could be very noisy)
- do not redirect stdout by default, but also do not drop - if R shell
share the console with JVM (aka sparkR shell) then user would see messages, but
if IDE, user would not see
- I'd further propose an API to turn on redirect on demand which would
address the R IDE case
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