Matthias J. Sax created KAFKA-20454:
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Summary: Verify that `bin/kafka-consumer-groups.sh
--reset-offsets` fails for "streams" group
Key: KAFKA-20454
URL: https://issues.apache.org/jira/browse/KAFKA-20454
Project: Kafka
Issue Type: Test
Components: streams, unit tests
Reporter: Matthias J. Sax
With KIP-848/1071 we now have three types of groups, "classic", "consumer", and
"streams". (And with KIP-932, actually also "share" groups, but they are
orthogonal to this ticket).
When users reset group offset, they can use `bin/kafka-consumer-groups.sh`
tool, which always uses group-type "classic".
For a "consumer" group, this is not a problem, because mixed groups are
supported.
However, for a "streams" group, mixed mode (with "classic") is not supported
atm. We should add a test that verifies that using
`bin/kafka-consumer-groups.sh` tool (or actually internally used class), get an
error when used for an existing "streams" group.
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