[jira] [Closed] (BEAM-3134) cannot write data to BigQuery with Dataflow

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

     [ https://issues.apache.org/jira/browse/BEAM-3134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ahmet Altay closed BEAM-3134.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0

> cannot write data to BigQuery with Dataflow
> -------------------------------------------
>
>                 Key: BEAM-3134
>                 URL: https://issues.apache.org/jira/browse/BEAM-3134
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Zdenko Hrcek
>            Assignee: Ahmet Altay
>             Fix For: 2.2.0
>
>
> (sample code with description is here [https://github.com/zdenulo/dataflow_bigquery_error])
> I was running for the first time Dataflow job (with version 2.1.1) to read data from BigQuery, make some modifications, then write data to different table in BigQuery. When I was running locally (on small subset) it was ok, but when I tried to run on Dataflow I get following exception:
> apache_beam.runners.dataflow.dataflow_runner.DataflowRuntimeException: Dataflow pipeline failed. State: FAILED, Error:
> (ade3180ffa878a6b): Traceback (most recent call last):
>   File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", line 706, in run
>     self._load_main_session(self.local_staging_directory)
>   File "/usr/local/lib/python2.7/dist-packages/dataflow_worker/batchworker.py", line 446, in _load_main_session
>     pickler.load_session(session_file)
>   File "/usr/local/lib/python2.7/dist-packages/apache_beam/internal/pickler.py", line 247, in load_session
>     return dill.load_session(file_path)
>   File "/usr/local/lib/python2.7/dist-packages/dill/dill.py", line 363, in load_session
>     module = unpickler.load()
>   File "/usr/lib/python2.7/pickle.py", line 858, in load
>     dispatch[key](self)
>   File "/usr/lib/python2.7/pickle.py", line 1182, in load_append
>     list.append(value)
>   File "/usr/local/lib/python2.7/dist-packages/apitools/base/protorpclite/messages.py", line 1142, in append
>     self.__field.validate_element(value)
> AttributeError: 'FieldList' object has no attribute '_FieldList__field'
> In my opinion, it looks like it has to do something with pickling schema definition for output table.



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