[jira] [Resolved] (SPARK-8742) Improve SparkR error messages for DataFrame API

["Shivaram Venkataraman (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shivaram Venkataraman resolved SPARK-8742.
------------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

Issue resolved by pull request 7742
[https://github.com/apache/spark/pull/7742]

> Improve SparkR error messages for DataFrame API
> -----------------------------------------------
>
>                 Key: SPARK-8742
>                 URL: https://issues.apache.org/jira/browse/SPARK-8742
>             Project: Spark
>          Issue Type: Bug
>          Components: SparkR
>    Affects Versions: 1.4.1
>            Reporter: Hossein Falaki
>            Priority: Blocker
>             Fix For: 1.5.0
>
>
> Currently all DataFrame API errors result in following generic error:
> {code}
> Error: returnStatus == 0 is not TRUE
> {code}
> This is because invokeJava in backend.R does not inspect error messages. For most use cases it is critical to return better error messages. Initially, we can return the stack trace from the JVM. In future we can inspect the errors and translate them to human-readable error messages.



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