Dear Beam,

As part of our Java11 Hop source code upgrade I've come across a peculiar
error:

org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl; local class
incompatible: stream classdesc serialVersionUID = -2577261693484760721,
local class serialVersionUID = 8033598657672506825

This class serialization issue is only happening on DataFlow and on Java 11
for me.
I found https://issues.apache.org/jira/browse/BEAM-169 which seems to warn
against this particular scenario.

Does it make sense to create a JIRA/PR for the one line addition of a
serialVersionUID for this particular class or am I missing something
broader in scope?

Thanks!

Matt

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