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Posted to issues@spark.apache.org by "Hossein Falaki (JIRA)" <ji...@apache.org> on 2015/07/01 02:48:04 UTC

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

Hossein Falaki created SPARK-8742:
-------------------------------------

             Summary: 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


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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