Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-13697

TransformFunctionSerializer.loads doesn't restore the function's module name if it's '__main__'

    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.6.0
    • Fix Version/s: 1.4.2, 1.5.3, 1.6.2, 2.0.0
    • Component/s: PySpark
    • Labels:
      None

      Description

      Here is a reproducer

      >>> from pyspark.streaming import StreamingContext
      >>> from pyspark.streaming.util import TransformFunction
      >>> ssc = StreamingContext(sc, 1)
      >>> func = TransformFunction(sc, lambda x: x, sc.serializer)
      >>> func.rdd_wrapper(lambda x: x)
      TransformFunction(<function <lambda> at 0x106ac8b18>)
      >>> bytes = bytearray(ssc._transformerSerializer.serializer.dumps((func.func, func.rdd_wrap_func, func.deserializers))) 
      >>> func2 = ssc._transformerSerializer.loads(bytes)
      >>> print(func2.func.__module__)
      None
      >>> print(func2.rdd_wrap_func.__module__)
      None
      >>> 
      

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                zsxwing Shixiong Zhu
                Reporter:
                zsxwing Shixiong Zhu
              • Votes:
                0 Vote for this issue
                Watchers:
                3 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: