Ahmet Altay created BEAM-1901:
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Summary: Faling to re-raise exceptions
Key: BEAM-1901
URL: https://issues.apache.org/jira/browse/BEAM-1901
Project: Beam
Issue Type: Bug
Components: sdk-py
Reporter: Ahmet Altay
In runners common.py {{reraise_augmented}} fails to re-raise exceptions in some
case.
{{raise type(exn), args, sys.exc_info()[2]}}
The above code assumes that the Exception can be reconstructed from its
arguments but this is not always true for custom exception classes. (e.g.
{{RPCError}} in
https://github.com/GoogleCloudPlatform/google-cloud-datastore/blob/master/python/googledatastore/connection.py#L226
This re-raising could first attempt to re-create the exception and if that does
not fail raise otherwise raise the original exception as is.
(cc: [~robertwb])
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