THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
Discussion thread: TBD
JIRA: here
https://issues.apache.org/jira/browse/KAFKA-9638
https://issues.apache.org/jira/browse/KAFKA-6520
, here
Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
...
Close() called on ERROR or PENDING_ERROR will be idempotent no-op and not throw an exception but we will log a warning.
...