Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16670#discussion_r97939920
--- Diff: R/pkg/inst/tests/testthat/test_Windows.R ---
@@ -20,7 +20,7 @@ test_that("sparkJars tag in SparkContext", {
if (.Platform$OS.type != "windows") {
skip("This test is only for Windows, skipped")
}
- testOutput <- launchScript("ECHO", "a/b/c", capture = TRUE)
+ testOutput <- launchScript("ECHO", "a/b/c", wait = TRUE)
--- End diff --
This is an example of what in a R IDE see:
```
> head(p, 40)
Error in handleErrors(returnStatus, conn) :
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
in stage 70.0 failed 1 times, most recent failure: Lost task 0.0 in stage 70.0
(TID 115, localhost, executor driver): org.apache.spark.SparkException: Failed
to execute user defined function($anonfun$4: (string) => double)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.processNext(Unknown
Source)
at
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at
org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$8$$anon$1.hasNext(WholeStageCodegenExec.scala:377)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:231)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:225)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:826)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:826)
```
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