> If things are working properly, he shouldn't see any of these messages > on a minor version upgrade because the version number should remain > constant. The message version should only change on major releases > (if necessary). > > It could be that the existing cluster was built with non-released code > (sporting a different message version).
I believe it is expected in this case due to https://issues.apache.org/jira/browse/CASSANDRA-2280 -- / Peter Schuller