Github user NicoK commented on the issue:
https://github.com/apache/flink/pull/4939
I'm actually with Chesnay on the part of using exclusions (and letting AWS
pull them in with the right version) rather than adding explicit dependencies
because it will be easier to debug than an error due to a version conflict.
We can immediately spot those `ClassNotFoundException` instances in the
failing unit tests (recall that those dependencies are all in `test` scope!)
while as a version conflict may show up more subtle and be less easy to spot.
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