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Posted to issues@spark.apache.org by "holdenk (JIRA)" <ji...@apache.org> on 2017/06/12 21:49:02 UTC

[jira] [Created] (SPARK-21068) SparkR error message when passed an R object rather than Java object could be more informative

holdenk created SPARK-21068:
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             Summary: SparkR error message when passed an R object rather than Java object could be more informative
                 Key: SPARK-21068
                 URL: https://issues.apache.org/jira/browse/SPARK-21068
             Project: Spark
          Issue Type: Improvement
          Components: SparkR
    Affects Versions: 2.2.0, 2.3.0
            Reporter: holdenk
            Priority: Trivial


SparkR when passed a non-Java object and expecting a Java object SparkR's backend code has an error message which is `Error: clas(objId) == "jobj" is not TRUE`.

See backend.R and the isInstanceOf function



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