See 
<https://builds.apache.org/job/beam_PostCommit_Python_Verify/4480/display/redirect?page=changes>

Changes:

[robertwb] Add mapper microbenchmark.

[robertwb] Remove from docs generation.

------------------------------------------
[...truncated 1.13 MB...]
 tempFiles: []
 type: TypeValueValuesEnum(JOB_TYPE_BATCH, 1)>
root: INFO: Created job with id: [2018-03-22_02_39_48-18192979392599446984]
root: INFO: To access the Dataflow monitoring console, please navigate to 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2018-03-22_02_39_48-18192979392599446984?project=apache-beam-testing
root: INFO: Job 2018-03-22_02_39_48-18192979392599446984 is in state 
JOB_STATE_PENDING
root: INFO: 2018-03-22T09:39:48.795Z: JOB_MESSAGE_WARNING: Job 
2018-03-22_02_39_48-18192979392599446984 might autoscale up to 250 workers.
root: INFO: 2018-03-22T09:39:48.823Z: JOB_MESSAGE_DETAILED: Autoscaling is 
enabled for job 2018-03-22_02_39_48-18192979392599446984. The number of workers 
will be between 1 and 250.
root: INFO: 2018-03-22T09:39:48.854Z: JOB_MESSAGE_DETAILED: Autoscaling was 
automatically enabled for job 2018-03-22_02_39_48-18192979392599446984.
root: INFO: 2018-03-22T09:39:52.275Z: JOB_MESSAGE_DETAILED: Checking required 
Cloud APIs are enabled.
root: INFO: 2018-03-22T09:39:52.381Z: JOB_MESSAGE_DETAILED: Checking 
permissions granted to controller Service Account.
root: INFO: 2018-03-22T09:39:52.673Z: JOB_MESSAGE_DETAILED: Expanding 
CoGroupByKey operations into optimizable parts.
root: INFO: 2018-03-22T09:39:52.703Z: JOB_MESSAGE_DEBUG: Combiner lifting 
skipped for step write/Write/WriteImpl/GroupByKey: GroupByKey not followed by a 
combiner.
root: INFO: 2018-03-22T09:39:52.730Z: JOB_MESSAGE_DEBUG: Combiner lifting 
skipped for step group: GroupByKey not followed by a combiner.
root: INFO: 2018-03-22T09:39:52.763Z: JOB_MESSAGE_DETAILED: Expanding 
GroupByKey operations into optimizable parts.
root: INFO: 2018-03-22T09:39:52.795Z: JOB_MESSAGE_DETAILED: Lifting 
ValueCombiningMappingFns into MergeBucketsMappingFns
root: INFO: 2018-03-22T09:39:52.833Z: JOB_MESSAGE_DEBUG: Annotating graph with 
Autotuner information.
root: INFO: 2018-03-22T09:39:52.871Z: JOB_MESSAGE_DETAILED: Fusing adjacent 
ParDo, Read, Write, and Flatten operations
root: INFO: 2018-03-22T09:39:52.898Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/MapToVoidKey1 into 
write/Write/WriteImpl/Extract
root: INFO: 2018-03-22T09:39:52.919Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey1 into 
write/Write/WriteImpl/Extract
root: INFO: 2018-03-22T09:39:52.956Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/MapToVoidKey1 into 
write/Write/WriteImpl/Extract
root: INFO: 2018-03-22T09:39:52.987Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey1 into 
write/Write/WriteImpl/Extract
root: INFO: 2018-03-22T09:39:53.010Z: JOB_MESSAGE_DETAILED: Fusing consumer 
pair_with_one into split
root: INFO: 2018-03-22T09:39:53.044Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/Reify into pair_with_one
root: INFO: 2018-03-22T09:39:53.076Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/Reify into 
write/Write/WriteImpl/WindowInto(WindowIntoFn)
root: INFO: 2018-03-22T09:39:53.100Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WindowInto(WindowIntoFn) into write/Write/WriteImpl/Pair
root: INFO: 2018-03-22T09:39:53.134Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/WriteBundles into format
root: INFO: 2018-03-22T09:39:53.164Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/Pair into write/Write/WriteImpl/WriteBundles/WriteBundles
root: INFO: 2018-03-22T09:39:53.180Z: JOB_MESSAGE_DETAILED: Fusing consumer 
split into read/Read
root: INFO: 2018-03-22T09:39:53.214Z: JOB_MESSAGE_DETAILED: Fusing consumer 
count into group/GroupByWindow
root: INFO: 2018-03-22T09:39:53.245Z: JOB_MESSAGE_DETAILED: Fusing consumer 
format into count
root: INFO: 2018-03-22T09:39:53.269Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/Write into group/Reify
root: INFO: 2018-03-22T09:39:53.291Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/GroupByWindow into group/Read
root: INFO: 2018-03-22T09:39:53.320Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/Extract into 
write/Write/WriteImpl/GroupByKey/GroupByWindow
root: INFO: 2018-03-22T09:39:53.338Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/Write into 
write/Write/WriteImpl/GroupByKey/Reify
root: INFO: 2018-03-22T09:39:53.365Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/GroupByWindow into 
write/Write/WriteImpl/GroupByKey/Read
root: INFO: 2018-03-22T09:39:53.397Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.419Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.446Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.479Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.503Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.525Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/MapToVoidKey0 into 
write/Write/WriteImpl/InitializeWrite
root: INFO: 2018-03-22T09:39:53.555Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/InitializeWrite into write/Write/WriteImpl/DoOnce/Read
root: INFO: 2018-03-22T09:39:53.587Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey2 into 
write/Write/WriteImpl/PreFinalize/PreFinalize
root: INFO: 2018-03-22T09:39:53.611Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/MapToVoidKey2 into 
write/Write/WriteImpl/PreFinalize/PreFinalize
root: INFO: 2018-03-22T09:39:53.642Z: JOB_MESSAGE_DEBUG: Workflow config is 
missing a default resource spec.
root: INFO: 2018-03-22T09:39:53.672Z: JOB_MESSAGE_DEBUG: Adding StepResource 
setup and teardown to workflow graph.
root: INFO: 2018-03-22T09:39:53.698Z: JOB_MESSAGE_DEBUG: Adding workflow start 
and stop steps.
root: INFO: 2018-03-22T09:39:53.723Z: JOB_MESSAGE_DEBUG: Assigning stage ids.
root: INFO: 2018-03-22T09:39:53.857Z: JOB_MESSAGE_DEBUG: Executing wait step 
start26
root: INFO: 2018-03-22T09:39:53.916Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/DoOnce/Read+write/Write/WriteImpl/InitializeWrite+write/Write/WriteImpl/PreFinalize/MapToVoidKey0+write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0+write/Write/WriteImpl/WriteBundles/MapToVoidKey0+write/Write/WriteImpl/PreFinalize/MapToVoidKey0+write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0+write/Write/WriteImpl/WriteBundles/MapToVoidKey0
root: INFO: 2018-03-22T09:39:53.935Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/GroupByKey/Create
root: INFO: 2018-03-22T09:39:53.947Z: JOB_MESSAGE_DEBUG: Starting worker pool 
setup.
root: INFO: 2018-03-22T09:39:53.957Z: JOB_MESSAGE_BASIC: Executing operation 
group/Create
root: INFO: 2018-03-22T09:39:53.978Z: JOB_MESSAGE_BASIC: Starting 1 workers in 
us-central1-f...
root: INFO: Job 2018-03-22_02_39_48-18192979392599446984 is in state 
JOB_STATE_RUNNING
root: INFO: 2018-03-22T09:40:01.835Z: JOB_MESSAGE_DETAILED: Autoscaling: Raised 
the number of workers to 0 based on the rate of progress in the currently 
running step(s).
root: INFO: 2018-03-22T09:40:01.980Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/GroupByKey/Session" materialized.
root: INFO: 2018-03-22T09:40:02.024Z: JOB_MESSAGE_DEBUG: Value "group/Session" 
materialized.
root: INFO: 2018-03-22T09:40:02.108Z: JOB_MESSAGE_BASIC: Executing operation 
read/Read+split+pair_with_one+group/Reify+group/Write
root: INFO: 2018-03-22T09:40:07.427Z: JOB_MESSAGE_BASIC: Autoscaling: Resizing 
worker pool from 1 to 2.
root: INFO: 2018-03-22T09:40:18.905Z: JOB_MESSAGE_DETAILED: Autoscaling: Raised 
the number of workers to 1 based on the rate of progress in the currently 
running step(s).
root: INFO: 2018-03-22T09:40:18.935Z: JOB_MESSAGE_DETAILED: Resized worker pool 
to 1, though goal was 2.  This could be a quota issue.
root: INFO: 2018-03-22T09:40:34.944Z: JOB_MESSAGE_DETAILED: Autoscaling: Raised 
the number of workers to 2 based on the rate of progress in the currently 
running step(s).
root: INFO: 2018-03-22T09:40:50.171Z: JOB_MESSAGE_DETAILED: Workers have 
started successfully.
root: INFO: 2018-03-22T09:44:17.538Z: JOB_MESSAGE_BASIC: Executing operation 
group/Close
root: INFO: 2018-03-22T09:44:22.728Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/DoOnce/Read.out" materialized.
root: INFO: 2018-03-22T09:44:22.765Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/MapToVoidKey0.out" materialized.
root: INFO: 2018-03-22T09:44:22.794Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0.out" materialized.
root: INFO: 2018-03-22T09:44:22.827Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/WriteBundles/MapToVoidKey0.out" materialized.
root: INFO: 2018-03-22T09:44:22.864Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)
root: INFO: 2018-03-22T09:44:22.886Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)
root: INFO: 2018-03-22T09:44:22.921Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)
root: INFO: 2018-03-22T09:44:22.958Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0).output"
 materialized.
root: INFO: 2018-03-22T09:44:23.003Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0).output"
 materialized.
root: INFO: 2018-03-22T09:44:23.040Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0).output"
 materialized.
root: INFO: 2018-03-22T09:44:23.110Z: JOB_MESSAGE_BASIC: Executing operation 
group/Read+group/GroupByWindow+count+format+write/Write/WriteImpl/WriteBundles/WriteBundles+write/Write/WriteImpl/Pair+write/Write/WriteImpl/WindowInto(WindowIntoFn)+write/Write/WriteImpl/GroupByKey/Reify+write/Write/WriteImpl/GroupByKey/Write
root: INFO: 2018-03-22T09:44:25.585Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:29.007Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:32.419Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:35.803Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:36.402Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:38.786Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:39.182Z: JOB_MESSAGE_ERROR: Traceback (most recent 
call last):
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", 
line 609, in do_work
    work_executor.execute()
  File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/executor.py", 
line 167, in execute
    op.start()
  File "apache_beam/runners/worker/operations.py", line 339, in 
apache_beam.runners.worker.operations.DoOperation.start
    def start(self):
  File "apache_beam/runners/worker/operations.py", line 340, in 
apache_beam.runners.worker.operations.DoOperation.start
    with self.scoped_start_state:
  File "apache_beam/runners/worker/operations.py", line 372, in 
apache_beam.runners.worker.operations.DoOperation.start
    self.dofn_runner = common.DoFnRunner(
  File "apache_beam/runners/common.py", line 483, in 
apache_beam.runners.common.DoFnRunner.__init__
    self.do_fn_invoker = DoFnInvoker.create_invoker(
  File "apache_beam/runners/common.py", line 203, in 
apache_beam.runners.common.DoFnInvoker.create_invoker
    return PerWindowInvoker(
  File "apache_beam/runners/common.py", line 313, in 
apache_beam.runners.common.PerWindowInvoker.__init__
    input_args, input_kwargs, [si[global_window] for si in side_inputs])
  File 
"/usr/local/lib/python2.7/dist-packages/apache_beam/transforms/sideinputs.py", 
line 62, in __getitem__
    self._cache[window] = self._view_class._from_runtime_iterable(
AttributeError: type object '_DataflowIterableSideInput' has no attribute 
'_from_runtime_iterable'

root: INFO: 2018-03-22T09:44:39.229Z: JOB_MESSAGE_DEBUG: Executing failure step 
failure25
root: INFO: 2018-03-22T09:44:39.261Z: JOB_MESSAGE_ERROR: Workflow failed. 
Causes: 
S08:group/Read+group/GroupByWindow+count+format+write/Write/WriteImpl/WriteBundles/WriteBundles+write/Write/WriteImpl/Pair+write/Write/WriteImpl/WindowInto(WindowIntoFn)+write/Write/WriteImpl/GroupByKey/Reify+write/Write/WriteImpl/GroupByKey/Write
 failed., A work item was attempted 4 times without success. Each time the 
worker eventually lost contact with the service. The work item was attempted 
on: 
  beamapp-jenkins-032209394-03220239-569d-harness-8sdz,
  beamapp-jenkins-032209394-03220239-569d-harness-8sdz,
  beamapp-jenkins-032209394-03220239-569d-harness-8sdz,
  beamapp-jenkins-032209394-03220239-569d-harness-8sdz
root: INFO: 2018-03-22T09:44:39.362Z: JOB_MESSAGE_DETAILED: Cleaning up.
root: INFO: 2018-03-22T09:44:39.410Z: JOB_MESSAGE_DEBUG: Starting worker pool 
teardown.
root: INFO: 2018-03-22T09:44:39.463Z: JOB_MESSAGE_BASIC: Stopping worker pool...
root: INFO: 2018-03-22T09:45:54.613Z: JOB_MESSAGE_DETAILED: Autoscaling: 
Reduced the number of workers to 0 based on the rate of progress in the 
currently running step(s).
root: INFO: 2018-03-22T09:45:54.648Z: JOB_MESSAGE_BASIC: Worker pool stopped.
root: INFO: 2018-03-22T09:45:54.964Z: JOB_MESSAGE_DEBUG: Tearing down pending 
resources...
root: INFO: Job 2018-03-22_02_39_48-18192979392599446984 is in state 
JOB_STATE_FAILED
--------------------- >> end captured logging << ---------------------

----------------------------------------------------------------------
Ran 3 tests in 379.069s

FAILED (errors=1)
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2018-03-22_02_39_47-1871890338158709136?project=apache-beam-testing
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2018-03-22_02_39_48-18192979392599446984?project=apache-beam-testing
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2018-03-22_02_39_48-9166520415542744106?project=apache-beam-testing
Build step 'Execute shell' marked build as failure
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