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https://issues.apache.org/jira/browse/CASSANDRA-6256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis reassigned CASSANDRA-6256:
-----------------------------------------
Assignee: Tyler Hobbs (was: Brandon Williams)
> Gossip race condition can be missing HOST_ID
> --------------------------------------------
>
> Key: CASSANDRA-6256
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6256
> Project: Cassandra
> Issue Type: Bug
> Reporter: Brandon Williams
> Assignee: Tyler Hobbs
>
> A very rare and tight race of some sort can cause:
> {noformat}
> ERROR [GossipStage:1] 2013-10-26 00:48:32,071 CassandraDaemon.java (line 191)
> Exception in thread Thread[GossipStage:1,5,main]
> java.lang.NullPointerException
> at org.apache.cassandra.gms.Gossiper.getHostId(Gossiper.java:696)
> at
> org.apache.cassandra.service.StorageService.handleStateNormal(StorageService.java:1388)
> at
> org.apache.cassandra.service.StorageService.onChange(StorageService.java:1257)
> at
> org.apache.cassandra.service.StorageService.onJoin(StorageService.java:1876)
> at
> org.apache.cassandra.gms.Gossiper.handleMajorStateChange(Gossiper.java:861)
> at
> org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:939)
> at
> org.apache.cassandra.gms.GossipDigestAckVerbHandler.doVerb(GossipDigestAckVerbHandler.java:58)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> {noformat}
> It isn't immediately clear how this happens since we set HOST_ID before the
> gossiper even starts.
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