[jira] Updated: (CASSANDRA-872) Changing the ip address associated w/ a token should generate a warning

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-872:
-------------------------------------

      Component/s: Core
    Fix Version/s:     (was: 0.6)
       Issue Type: Improvement  (was: Bug)
          Summary: Changing the ip address associated w/ a token should generate a warning  (was: Nodes should fail to join the ring with duped tokens)

> Changing the ip address associated w/ a token should generate a warning
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-872
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-872
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.6
>            Reporter: Stu Hood
>
> Currently, multiple nodes can join the ring with the same token (particularly when people copy the data directory between machines). The symptom is that the new endpoint joins the ring successfully, but both nodes can only see themselves in the ring (according to nodetool).
> Instead of this behaviour, we would want gossip to die rather than joining with a duped token.

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