Hey!

I’ve  just configured a test 3-node Cassandra cluster and run very trivial java 
test against it.

I see the following warning from java-driver on each CqlSession initialization:

13:54:13.913 [loader-admin-0] WARN  c.d.o.d.i.c.metadata.DefaultMetadata - 
[loader] Unexpected error while refreshing token map, keeping previous version 
(IllegalArgumentException: Multiple entries with same key: 
Murmur3Token(-1060405237057176857)=/127.0.0.1:9042 and 
Murmur3Token(-1060405237057176857)=/127.0.0.1:9042)

What does It mean? Why?

Cassandra 3.11.4, driver 4.0.1.

nodetool status
Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address       Load       Tokens       Owns (effective)  Host ID             
                  Rack
UN  10.73.66.36   419.36 MiB  256          100.0%            
fafa2737-9024-437b-9a59-c1c037bce244  rack1
UN  10.73.66.100  336.47 MiB  256          100.0%            
d5323ad0-f8cd-42d4-b34d-9afcd002ea47  rack1
UN  10.73.67.196  336.4 MiB  256          100.0%            
74dffe0c-32a4-4071-8b36-5ada5afa4a7d  rack1

The issue persists if I reset the cluster, just the token changes its value.
Alexander

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