[jira] [Resolved] (CASSANDRA-6256) Gossip race condition can be missing HOST_ID

["Tyler Hobbs (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-6256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tyler Hobbs resolved CASSANDRA-6256.
------------------------------------

    Resolution: Cannot Reproduce

This was originally seen in 1.2.12, but I've been unable to reproduce the issue on 1.2.12, 1.2.13, or 2.0.4, so I'm resolving this as Cannot Reproduce for now.

> 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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