[jira] [Commented] (SPARK-30629) cleanClosure on recursive call leads to node stack overflow

["Maciej Szymkiewicz (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-30629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17023706#comment-17023706 ] 

Maciej Szymkiewicz commented on SPARK-30629:
--------------------------------------------

OK, so I checked and it looks like the problem has been introduced by SPARK-29777.

> cleanClosure on recursive call leads to node stack overflow
> -----------------------------------------------------------
>
>                 Key: SPARK-30629
>                 URL: https://issues.apache.org/jira/browse/SPARK-30629
>             Project: Spark
>          Issue Type: Bug
>          Components: SparkR
>    Affects Versions: 3.0.0
>            Reporter: Maciej Szymkiewicz
>            Priority: Major
>
> This problem surfaced while handling SPARK-22817. In theory there are tests, which cover that problem, but it seems like they have been dead for some reason.
> Reproducible example
> {code:r}
> f <- function(x) {
>   f(x)
> }
> newF <- cleanClosure(f)
> {code}
> Just looking at the {{cleanClosure}} /  {{processClosure}} pair, that function that is being processed is not added to {{checkedFuncs}}.



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