Github user rangadi commented on the issue:
How does exactly-once sink handle large gap between `preCommit()` and
`recoverAndCommit()` in case of a recovery? The server seems to abort a
transaction after a timeout `max.transaction.timeout.ms`.
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