DUE TO SPAM, SIGN-UP IS DISABLED. Goto Selfserve wiki signup and request an account.
...
- If the broker does not support ListGroups v5, setting a types filter using
ListGroupOptions.withTypes()results inUnsupportedVersionExceptionwhen the ListGroups request is serialized. (This is KIP-932 848 behavior.) - If the broker receives a group type in
TypesFilterthat it does not support in a ListGroups v5 (or later) request, the filter is treated as unknown group type which thus matches no groups. (This is KIP-932 848 behavior.) - If the client receives a group type that it does not understand in a ListGroups v5 (or later) response, the group listing type is
GroupType.UNKNOWN. This is because the group type in the ListGroups RPC response cannot be parsed into a value of theGroupTypeenumeration, and the default value ofUNKNOWNis used in these situations.
...