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https://issues.apache.org/jira/browse/CASSANDRA-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788484#action_12788484
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Jonathan Ellis commented on CASSANDRA-572:
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I think I would prefer option (1), since from experience I can attest that
trying to write a 100% correct "state machine" for (2) is quite difficult.
> handle old gossip properly
> --------------------------
>
> Key: CASSANDRA-572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-572
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.5
> Reporter: Jaakko Laine
> Fix For: 0.5
>
> Attachments: 572-handle-old-gossip.patch,
> use-same-APstate-for-all-node-state-gossip.patch
>
>
> (1) If a node has been moving in the ring, further bootstraps by other nodes
> will cause errors as they are handling STATE_LEAVING gossip without having
> such member in token metadata.
> (2) When a node bootstraps, it handles all ep states in the order they happen
> to arrive. If the first one to arrive has moved in the past (that is, it has
> STATE_LEAVING in its ep state), getNaturalEndpoint will throw
> ArrayIndexOutOfBounds exception as sortedTokens.size() == 0.
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