Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/1845#issuecomment-52713424
**Update.** Looks like pyspark wasn't actually broken. I was testing out
@vanzin's proposal and ran into a python stdout interference message that
turned out to be highly misleading. I have filed this separately here:
[SPARK-3140](https://issues.apache.org/jira/browse/SPARK-3140).
Also, I realize that having the `SparkSubmitDriverBootstrapper` output a
list of arguments back to Bash won't actually work, because Bash will need to
split the output, which may contain whitespace in quotes (among other things to
escape), so we're back to the original problem of splitting the command string.
It may be possible to do some escaping in Scala and then unescaping in Bash,
but it gets a little complicated as we go down that road.
The open issue now is getting pyspark to kill the
`SparkSubmitDriverBootStrapper's` subprocess to exit with the parent JVM.
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