[jira] [Updated] (BEAM-12391) WriteToAvro fails if fastavro loads its python implementation of writer

["Kenneth Knowles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-12391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-12391:
-----------------------------------

This Jira ticket has a pull request attached to it, but is still open. Did the pull request resolve the issue? If so, could you please mark it resolved? This will help the project have a clear view of its open issues.

> WriteToAvro fails if fastavro loads its python implementation of writer
> -----------------------------------------------------------------------
>
>                 Key: BEAM-12391
>                 URL: https://issues.apache.org/jira/browse/BEAM-12391
>             Project: Beam
>          Issue Type: Bug
>          Components: io-py-avro
>    Affects Versions: 2.25.0, 2.26.0, 2.27.0, 2.28.0, 2.29.0
>            Reporter: Chris Chandler
>            Assignee: John Casey
>            Priority: P3
>              Labels: starter
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> It's possible for fastavro to fail to correctly load its cython implementation of the Writer class in which case it will silently fall back to a pure python implementation. If this happens there's no outward indication, but line 621 in io/avroio.py will fail because writer.fo is only present on the cython implementation.
> To reproduce you can modify fastavro's write.py to only use its fallback:
> {code}
> #from . import _write
> from . import _write_py as _write
> {code}
> And then run a workflow that sinks to WriteToAvro(use_fastavro=True).



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