Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/4616
It seems we completely have to ignore `SinkFunction`, because japicmp will
check its serialiVersionUID, which changed by adding a new method to the
interface. (And yes, I know that checking the serialVersionUID on an interface
does not make a lot of sense.)
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
