[jira] [Created] (BEAM-3014) DoFnRunner _reraise_augmented fails with non-ascii exception messages

["Ahmet Altay (JIRA)" <ji...@apache.org>]

Ahmet Altay created BEAM-3014:
---------------------------------

             Summary: DoFnRunner _reraise_augmented fails with non-ascii exception messages
                 Key: BEAM-3014
                 URL: https://issues.apache.org/jira/browse/BEAM-3014
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core
            Reporter: Ahmet Altay
            Priority: Minor


{{_reraise_augmented}} fails to decode non-ascii bytes when re-raising exceptions and hides the original exception.

Full stack trace:
(6d7ae3386f271a8f): Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", line 582, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", line 166, in execute
    op.start()
  File "dataflow_worker/native_operations.py", line 38, in dataflow_worker.native_operations.NativeReadOperation.start (dataflow_worker/native_operations.c:3175)
    def start(self):
  File "dataflow_worker/native_operations.py", line 39, in dataflow_worker.native_operations.NativeReadOperation.start (dataflow_worker/native_operations.c:3079)
    with self.scoped_start_state:
  File "dataflow_worker/native_operations.py", line 44, in dataflow_worker.native_operations.NativeReadOperation.start (dataflow_worker/native_operations.c:2994)
    with self.spec.source.reader() as reader:
  File "dataflow_worker/native_operations.py", line 54, in dataflow_worker.native_operations.NativeReadOperation.start (dataflow_worker/native_operations.c:2938)
    self.output(windowed_value)
  File "apache_beam/runners/worker/operations.py", line 154, in apache_beam.runners.worker.operations.Operation.output (apache_beam/runners/worker/operations.c:5783)
    cython.cast(Receiver, self.receivers[output_index]).receive(windowed_value)
  File "apache_beam/runners/worker/operations.py", line 86, in apache_beam.runners.worker.operations.ConsumerSet.receive (apache_beam/runners/worker/operations.c:3622)
    cython.cast(Operation, consumer).process(windowed_value)
  File "apache_beam/runners/worker/operations.py", line 339, in apache_beam.runners.worker.operations.DoOperation.process (apache_beam/runners/worker/operations.c:11089)
    with self.scoped_process_state:
  File "apache_beam/runners/worker/operations.py", line 340, in apache_beam.runners.worker.operations.DoOperation.process (apache_beam/runners/worker/operations.c:11043)
    self.dofn_receiver.receive(o)
  File "apache_beam/runners/common.py", line 382, in apache_beam.runners.common.DoFnRunner.receive (apache_beam/runners/common.c:10156)
    self.process(windowed_value)
  File "apache_beam/runners/common.py", line 390, in apache_beam.runners.common.DoFnRunner.process (apache_beam/runners/common.c:10458)
    self._reraise_augmented(exn)
  File "apache_beam/runners/common.py", line 429, in apache_beam.runners.common.DoFnRunner._reraise_augmented (apache_beam/runners/common.c:11606)
    + step_annotation)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 1521: ordinal not in range(128)



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