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From Котельников Александр <a.kotelni...@crpt.ru>
Subject Unexpected error while refreshing token map, keeping previous version (IllegalArgumentException: Multiple entries with same key ?
Date Thu, 20 Jun 2019 07:45:41 GMT
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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