Paulo Motta created CASSANDRA-18968:
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Summary: StartupClusterConnectivityChecker fails on upgrade from
3.X
Key: CASSANDRA-18968
URL: https://issues.apache.org/jira/browse/CASSANDRA-18968
Project: Cassandra
Issue Type: Bug
Components: Local/Startup and Shutdown
Reporter: Paulo Motta
Starting up a new 4.X node on a 3.x cluster throws the following warning:
{noformat}
WARN [main] 2023-10-27 15:58:22,234 StartupClusterConnectivityChecker.java:183
- Timed out after 10002 milliseconds, was waiting for remaining peers to
connect: {dc1=[X.Y.Z.W, A.B.C.D]}
{noformat}
I think this is because the PING messages used by the startup check are not
available on 3.X.
To provide a smoother upgrade experience we should probably disable this check
on a mixed version clusters, or skip peers on versions < 4.x when doing the
connectivity check.
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