It is easier for user to figure out the configuration error.
The log looks like:
WARN 2016-08-22 15:04:56,214 [shard 0] gossip - ClusterName mismatch
from 127.0.0.2 test2!=test
WARN 2016-08-22 15:06:16,106 [shard 0] gossip - Partitioner mismatch from 127.0.0.2
org.apache.cassandra.dht.RandomPartitioner!=org.apache.cassandra.dht.Murmur3Partitioner
Fixes: #1587
Message-Id: <745ed8857da6f70745735b94eef7b226d2f22e10.1471849834.git.asias@scylladb.com>