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https://issues.apache.org/jira/browse/CASSANDRA-4384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403994#comment-13403994
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Eric Evans commented on CASSANDRA-4384:
---------------------------------------
bq. ...so I would prefer this be in LocationInfo with the tokens...
Tokens are now in the {{peers}} columnfamily, keyed by the token with one
column for the peer (inet address). With vnodes, that will become many-to-one
(the endpoints will not be unique). Host IDs are one-to-one. The most
straightforward approach seemed to be to create another columnfamily
(peer_ids?), similar to {{peers}}, but keyed by host ID.
> HintedHandoff can begin before SS knows the hostID
> --------------------------------------------------
>
> Key: CASSANDRA-4384
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4384
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2
> Reporter: Brandon Williams
> Assignee: Eric Evans
> Fix For: 1.2
>
>
> Since HH fires from the FD, SS won't quite have the hostId yet:
> {noformat}
> INFO 18:58:04,196 Started hinted handoff for host: null with IP:
> /10.179.65.102
> INFO 18:58:04,197 Node /10.179.65.102 state jump to normal
> ERROR 18:58:04,197 Exception in thread Thread[HintedHandoff:1,1,main]
> java.lang.NullPointerException
> at org.apache.cassandra.utils.UUIDGen.decompose(UUIDGen.java:120)
> at
> org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpointInternal(HintedHandOffManager.java:304)
> at
> org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:250)
> at
> org.apache.cassandra.db.HintedHandOffManager.access$400(HintedHandOffManager.java:87)
> at
> org.apache.cassandra.db.HintedHandOffManager$4.runMayThrow(HintedHandOffManager.java:433)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:26)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
> Simple solution seems to be getting the hostId from gossip instead.
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