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Posted to issues@spark.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2015/06/25 12:45:05 UTC

[jira] [Created] (SPARK-8625) Propagate user exceptions in tasks back to driver

Tom White created SPARK-8625:
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             Summary: Propagate user exceptions in tasks back to driver
                 Key: SPARK-8625
                 URL: https://issues.apache.org/jira/browse/SPARK-8625
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.4.0
            Reporter: Tom White


Runtime exceptions that are thrown by user code in Spark are presented to the user as strings (message and stacktrace), rather than the exception object itself. If the exception stores information about the error in fields then these cannot be retrieved.

Exceptions are Serializable, so it would be feasible to return the original object back to the driver as the cause field in SparkException. This would allow the client to retrieve information from the original exception.



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