[GitHub] [beam] kennknowles opened a new issue, #18942: BundleBasedDirectRunner fails with recent side input changes

[GitBox <gi...@apache.org>]

kennknowles opened a new issue, #18942:
URL: https://github.com/apache/beam/issues/18942

   Recently, changes were made to support streaming side inputs in the Beam Python DirectRunner ([https://github.com/apache/incubator-beam/pull/4838](https://github.com/apache/incubator-beam/pull/4838) and [https://github.com/apache/beam/pull/4949](https://github.com/apache/beam/pull/4949)).  However, these changes cause problems when the BundleBasedDirectRunner is explicitly used.  When Beam Python tests are run with the BundleBasedDirectRunner (i.e. when the FnApiRunner is disabled), the following errors occur:
   
   \==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==
    FAIL: test_empty_write (apache_beam.io.filebasedsink_test.TestFileBasedSink)
    \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/io/filebasedsink_test.py", line 159, in test_empty_write
    p | beam.Create([]) | beam.io.Write(sink) # pylint: disable=expression-not-assigned
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/pipeline.py", line 409, in __exit__
    self.run().wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/testing/test_pipeline.py", line 104, in run
    state = result.wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/direct_runner.py", line 421, in wait_until_finish
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 360, in await_completion
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 406, in await_completion
    six.reraise(t, v, tb)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError: 
    \--\--\--\--\--\--\--\--\--\-- \>\> begin captured logging << \--\--\--\--\--\--\--\--\--\--
    root: INFO: Missing pipeline option (runner). Executing pipeline using the default runner: DirectRunner.
    root: INFO: Running pipeline with DirectRunner.
    root: DEBUG: Creating 1 empty shard(s).
    root: INFO: Starting finalize_write threads with num_shards: 1 (skipped: 0), batches: 1, num_threads: 1
    root: INFO: Renamed 1 shards in 0.11 seconds.
    root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd4bda950\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd4bda950\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd4bda950\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd4bda950\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Giving up after 4 attempts.
    root: WARNING: A task failed with exception: 
    \--\--\--\--\--\--\--\--\--\--- \>\> end captured logging << \--\--\--\--\--\--\--\--\--\---
   
   \==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==
    FAIL: test_static_value_provider_empty_write (apache_beam.io.filebasedsink_test.TestFileBasedSink)
    \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/io/filebasedsink_test.py", line 172, in test_static_value_provider_empty_write
    p | beam.Create([]) | beam.io.Write(sink) # pylint: disable=expression-not-assigned
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/pipeline.py", line 409, in __exit__
    self.run().wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/testing/test_pipeline.py", line 104, in run
    state = result.wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/direct_runner.py", line 421, in wait_until_finish
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 360, in await_completion
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 406, in await_completion
    six.reraise(t, v, tb)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError: 
    \--\--\--\--\--\--\--\--\--\-- \>\> begin captured logging << \--\--\--\--\--\--\--\--\--\--
    root: INFO: Missing pipeline option (runner). Executing pipeline using the default runner: DirectRunner.
    root: INFO: Running pipeline with DirectRunner.
    root: DEBUG: Creating 1 empty shard(s).
    root: INFO: Starting finalize_write threads with num_shards: 1 (skipped: 0), batches: 1, num_threads: 1
    root: INFO: Renamed 1 shards in 0.12 seconds.
    root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcd7a8488\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcd7a8488\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcd7a8488\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcd7a8488\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Giving up after 4 attempts.
    root: WARNING: A task failed with exception: 
    \--\--\--\--\--\--\--\--\--\--- \>\> end captured logging << \--\--\--\--\--\--\--\--\--\---
   
   \==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==
    FAIL: test_combine_globally_with_default (apache_beam.transforms.combiners_test.CombineTest)
    \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/transforms/combiners_test.py", line 294, in test_combine_globally_with_default
    assert_that(p | Create([]) | CombineGlobally(sum), equal_to([0]))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/pipeline.py", line 409, in __exit__
    self.run().wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/testing/test_pipeline.py", line 104, in run
    state = result.wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/direct_runner.py", line 421, in wait_until_finish
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 360, in await_completion
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 406, in await_completion
    six.reraise(t, v, tb)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError: 
    \--\--\--\--\--\--\--\--\--\-- \>\> begin captured logging << \--\--\--\--\--\--\--\--\--\--
    root: INFO: Missing pipeline option (runner). Executing pipeline using the default runner: DirectRunner.
    root: INFO: Running pipeline with DirectRunner.
    root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fceb35dd0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fceb35dd0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fceb35dd0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fceb35dd0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Giving up after 4 attempts.
    root: WARNING: A task failed with exception: 
    \--\--\--\--\--\--\--\--\--\--- \>\> end captured logging << \--\--\--\--\--\--\--\--\--\---
   
   \==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==
    FAIL: test_combine_globally_with_default_side_input (apache_beam.transforms.combiners_test.CombineTest)
    \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/transforms/combiners_test.py", line 312, in test_combine_globally_with_default_side_input
    assert_that(result2, equal_to([10]), label='r2')
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/pipeline.py", line 409, in __exit__
    self.run().wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/testing/test_pipeline.py", line 104, in run
    state = result.wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/direct_runner.py", line 421, in wait_until_finish
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 360, in await_completion
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 406, in await_completion
    six.reraise(t, v, tb)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError: 
    \--\--\--\--\--\--\--\--\--\-- \>\> begin captured logging << \--\--\--\--\--\--\--\--\--\--
    root: INFO: Missing pipeline option (runner). Executing pipeline using the default runner: DirectRunner.
    root: INFO: Running pipeline with DirectRunner.
    root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd47254d0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd47254d0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd47254d0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fd47254d0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Giving up after 4 attempts.
    root: WARNING: A task failed with exception: 
    \--\--\--\--\--\--\--\--\--\--- \>\> end captured logging << \--\--\--\--\--\--\--\--\--\---
   
   \==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==\==
    FAIL: test_write_with_empty_pcollection (apache_beam.transforms.write_ptransform_test.WriteTest)
    \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/transforms/write_ptransform_test.py", line 118, in test_write_with_empty_pcollection
    self._run_write_test(data)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/transforms/write_ptransform_test.py", line 108, in _run_write_test
    assert_that(result, is_empty())
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/pipeline.py", line 409, in __exit__
    self.run().wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/testing/test_pipeline.py", line 104, in run
    state = result.wait_until_finish()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/direct_runner.py", line 421, in wait_until_finish
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 360, in await_completion
    self._executor.await_completion()
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 406, in await_completion
    six.reraise(t, v, tb)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError: 
    \--\--\--\--\--\--\--\--\--\-- \>\> begin captured logging << \--\--\--\--\--\--\--\--\--\--
    root: INFO: Missing pipeline option (runner). Executing pipeline using the default runner: DirectRunner.
    root: INFO: Running pipeline with DirectRunner.
    root: DEBUG: Creating 1 empty shard(s).
    root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcda1aef0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcda1aef0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcda1aef0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Exception at bundle <apache_beam.runners.direct.bundle_factory._Bundle object at 0x7f6fcda1aef0\>, due to an exception.
    Traceback (most recent call last):
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 307, in call
    side_input_values)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 346, in attempt_call
    self._completion_callback.handle_result(self, self._input_bundle, result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/executor.py", line 238, in handle_result
    input_committed_bundle, self._timer_firings, transform_result)
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 242, in handle_result
    committed_bundle.get_elements_iterable(make_copy=True))
    File "/usr/local/google/home/ccy/git/beam/sdks/python/apache_beam/runners/direct/evaluation_context.py", line 97, in add_values
    assert not view.has_result
    AssertionError
   
   root: ERROR: Giving up after 4 attempts.
    root: WARNING: A task failed with exception: 
    \--\--\--\--\--\--\--\--\--\--- \>\> end captured logging << \--\--\--\--\--\--\--\--\--\---
   
   \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--
    Ran 1589 tests in 243.724s
   
   FAILED (failures=5, skipped=45)
    Test failed: <unittest.runner.TextTestResult run=1589 errors=0 failures=5\>
   
   The following error also occurs:
   
   Exception in thread Thread: 0, ExecutorServiceWorker-0 (executing):
    Traceback (most recent call last):
    File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
    File "apache_beam/runners/direct/executor.py", line 92, in run
    task.call()
    File "apache_beam/runners/direct/executor.py", line 302, in call
    main_onto_side_window = window_mapping_fn(self._latest_main_input_window)
    AttributeError: 'TransformExecutor' object has no attribute '_latest_main_input_window'
   
   We should fix these issues.
   
   Imported from Jira [BEAM-4024](https://issues.apache.org/jira/browse/BEAM-4024). Original Jira may contain additional context.
   Reported by: ccy.


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