Hyukjin Kwon commented on SPARK-17838:

I am trying to work on this but I don't mind if anyone takes over this. It 
seems take a bit of time to me.

> Strict type checking for arguments with a better messages across APIs.
> ----------------------------------------------------------------------
>                 Key: SPARK-17838
>                 URL: https://issues.apache.org/jira/browse/SPARK-17838
>             Project: Spark
>          Issue Type: Improvement
>          Components: SparkR
>            Reporter: Hyukjin Kwon
> It seems there should be more strict type checking for arguments in SparkR 
> APIs. This was discussed in several PRs. 
> https://github.com/apache/spark/pull/15239#discussion_r82445435
> Roughly it seems there are three cases as below:
> The first case below was described in 
> https://github.com/apache/spark/pull/15239#discussion_r82445435
> - Check for {{zero-length variable name}}
> Some of other cases below were handled in 
> https://github.com/apache/spark/pull/15231#discussion_r80417904
> - Catch the exception from JVM and format it as pretty
> - Check strictly types before calling JVM in SparkR

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