Bill Neubauer created BEAM-3982:
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Summary: Transform libraries not registering their types
Key: BEAM-3982
URL: https://issues.apache.org/jira/browse/BEAM-3982
Project: Beam
Issue Type: Bug
Components: sdk-go
Reporter: Bill Neubauer
Assignee: Henning Rohde
The transform libraries in the SDK have structs-as-DoFns, but the types are not
registered. While this works in a direct runner, trying to run examples using
those libraries fails because the DoFns aren't serializable.
It's not clear how to make the libraries intrinsically self-policing. At least
to ensure the examples work, these failures can be exposed easily using the
flags "--runner=dataflow --dry_run" to force the serialization error.
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