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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2020/08/22 15:13:00 UTC

[jira] [Updated] (BEAM-7527) Python 3 test parallelization causes test flakines due to ModuleNotFoundError.

     [ https://issues.apache.org/jira/browse/BEAM-7527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-7527:
----------------------------------
    Labels: flake  (was: )

> Python 3 test parallelization causes  test flakines due to ModuleNotFoundError.
> -------------------------------------------------------------------------------
>
>                 Key: BEAM-7527
>                 URL: https://issues.apache.org/jira/browse/BEAM-7527
>             Project: Beam
>          Issue Type: Sub-task
>          Components: test-failures
>            Reporter: Valentyn Tymofieiev
>            Assignee: Mark Liu
>            Priority: P1
>              Labels: flake
>             Fix For: Not applicable
>
>
> I am seeing several errors in Python SDK Integration test suites, such as Dataflow ValidatesRunner and Python PostCommit that fail due to one of the autogenerated files not being found.
> For example:
> {noformat}
> /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/__init__.py:84: UserWarning: Running the Apache Beam SDK on Python 3 is not yet fully supported. You may encounter buggy behavior or missing features.
>   'Running the Apache Beam SDK on Python 3 is not yet fully supported. '
> Failure: ModuleNotFoundError (No module named 'beam_runner_api_pb2') ... 
> ERROR
> ======================================================================
> ERROR: Failure: ModuleNotFoundError (No module named 'beam_runner_api_pb2')
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/failure.py", line 39, in runTest
>     raise self.exc_val.with_traceback(self.tb)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/loader.py", line 418, in loadTestsFromName
>     addr.filename, addr.module)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/importer.py", line 47, in importFromPath
>     return self.importFromDir(dir_path, fqname)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/importer.py", line 94, in importFromDir
>     mod = load_module(part_fqname, fh, filename, desc)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/imp.py", line 245, in load_module
>     return load_package(name, filename)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/imp.py", line 217, in load_package
>     return _load(spec)
>   File "<frozen importlib._bootstrap>", line 684, in _load
>   File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
>   File "<frozen importlib._bootstrap_external>", line 678, in exec_module
>   File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/__init__.py", line 97, in <module>
>     from apache_beam import coders
>   File "/home/jenkins/jenkins-slave/workspace/beam_Pos
> tCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/__init__.py", line 19, in <module>
>     from apache_beam.coders.coders import *
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/coders.py", line 32, in <module>
>     from apache_beam.coders import coder_impl
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/coder_impl.py", line 44, in <module>
>     from apache_beam.utils import windowed_value
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/utils/windowed_value.py", line 34, in <module>
>     from apache_beam.utils.timestamp import MAX_TIMESTAMP
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/utils/timestamp.py", line 34, in <module>
>     from apache_beam.portability import common_urns
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/portability/common_urns.py", line 25, in <module>
>     from apache_beam.portability.api import metrics_pb2
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/portability/api/metrics_pb2.py", line 16, in <module>
>     import beam_runner_api_pb2 as beam__runner__api__pb2
> ModuleNotFoundError: No module named 'beam_runner_api_pb2'
> {noformat}
> {noformat}
> /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/__init__.py:84: UserWarning: Running the Apache Beam SDK on Python 3 is not yet fully supported. You may encounter buggy behavior or missing features.
>   'Running the Apache Beam SDK on Python 3 is not yet fully supported. '
> Failure: ModuleNotFoundError (No module named 'endpoints_pb2') ... 
> ERROR
> ======================================================================
> ERROR: Failure: ModuleNotFoundError (No module named 'endpoints_pb2')
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/failure.py", line 39, in runTest
>     raise self.exc_val.with_traceback(self.tb)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/loader.py", line 418, in loadTestsFromName
>     addr.filename, addr.module)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/importer.py", line 47, in importFromPath
>     return self.importFromDir(dir_path, fqname)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/site-packages/nose/importer.py", line 94, in importFromDir
>     mod = load_module(part_fqname, fh, filename, desc)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/imp.py", line 245, in load_module
>     return load_package(name, filename)
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/build/gradleenv/-1734967053/lib/python3.6/imp.py", line 217, in load_package
>     return _load(spec)
>   File "<frozen importlib._bootstrap>", line 684, in _load
>   File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
>   File "<frozen importlib._bootstrap_external>", line 678, in exec_module
>   File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/__init__.py", line 97, in <module>
>     from apache_beam import coders
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommi
> t_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/__init__.py", line 19, in <module>
>     from apache_beam.coders.coders import *
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/coders.py", line 32, in <module>
>     from apache_beam.coders import coder_impl
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/coders/coder_impl.py", line 44, in <module>
>     from apache_beam.utils import windowed_value
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/utils/windowed_value.py", line 34, in <module>
>     from apache_beam.utils.timestamp import MAX_TIMESTAMP
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/utils/timestamp.py", line 34, in <module>
>     from apache_beam.portability import common_urns
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/portability/common_urns.py", line 24, in <module>
>     from apache_beam.portability.api import beam_runner_api_pb2
>   File "/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Py_VR_Dataflow/src/sdks/python/apache_beam/portability/api/beam_runner_api_pb2.py", line 16, in <module>
>     import endpoints_pb2 as endpoints__pb2
> ModuleNotFoundError: No module named 'endpoints_pb2'
> {noformat}
> The rootcause is not clear, I suspect that it may be related to the way we parallelize execution of Python test suites for 2.7, 3.5, 3.6, 3.7.
> cc: [~altay] [~markflyhigh] [~Juta] [~frederik]



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