Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/4473
@bowenli86 I think the test you posted above is failing because the
provided `KinesisSerializationSchema` is not serializable. It is an anonymous
class, which would contain a reference to the enclosing (which I guess is the
test class, hence not serializable.)
To make it work you either need to make the test class serializable, or
define a static `KinesisSerializationSchema` subclass instead of using an
anonymous class.
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