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https://issues.apache.org/jira/browse/CASSANDRA-1934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12984385#action_12984385
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Brandon Williams commented on CASSANDRA-1934:
---------------------------------------------
currentNode (which failed decom and then restarted) does have the correct view
of itself (normal) but
{code}
else if (endpoint.equals(currentNode))
{
// nothing to do
}
{code}
Prevents the other nodes from updating the state from 'Leaving' back to
'normal'.
We almost update the state here:
{code}
else if (Gossiper.instance.compareEndpointStartup(endpoint,
currentNode) > 0)
{
logger_.info(String.format("Nodes %s and %s have the same token %s.
%s is the new owner",
endpoint, currentNode, token, endpoint));
tokenMetadata_.updateNormalToken(token, endpoint);
if (!isClientMode)
SystemTable.updateToken(endpoint, token);
}
{code}
But don't because the generations will always be equal (in other words, this
code only handles a *different* node updated the state, not the same node
returning)
> Update token metadata for NORMAL state
> --------------------------------------
>
> Key: CASSANDRA-1934
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1934
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.0 rc 3
> Reporter: Nick Bailey
> Assignee: Brandon Williams
> Priority: Minor
> Fix For: 0.7.1
>
> Attachments: 1934.txt
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The handleStateNormal() method in StorageService.java doesn't update the
> tokenmetadata. This means if you try to decommission a node but for some
> reason it fails, and then you bring the node back up, all other nodes will
> see it in a 'Leaving' state. When the state jumps back to normal they should
> update the token metadata to reflect that.
> This also means you won't be able to call 'removetoken' on that node, unless
> you restart another node in the cluster in order to put it back in a 'normal'
> state.
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