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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7246) Gossip Null Pointer Exception when a cassandra instance in ring is restarted
Date Thu, 12 Jun 2014 19:53:02 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Williams updated CASSANDRA-7246:
----------------------------------------

    Fix Version/s:     (was: 2.1 rc2)
                       (was: 2.0.9)
                       (was: 1.2.17)

> Gossip Null Pointer Exception when a cassandra instance in ring is restarted
> ----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7246
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7246
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: 12 node ring of 1.2.x.
> 11 of 12 are 1.2.15.
> 1 is 1.2.16.
>            Reporter: Peter Haggerty
>            Assignee: Brandon Williams
>            Priority: Minor
>              Labels: gossip, nullpointerexception
>         Attachments: 7246.txt
>
>
> 12 Cassandra instances, one per node.
> 11 of the Cassandra instances are 1.2.15.
> 1 of the Cassandra instances is 1.2.16.
> One of the eleven 1.2.15 Cassandra instances is restarted (disable thrift, gossip, then
flush, drain, stop, start).
> The 1.2.16 Cassandra instance noted this by throwing a Null Pointer Exception. None of
the 1.2.15 instances threw an exception and this is new behavior that hasn't been observed
before.
> ERROR 02:18:06,009 Exception in thread Thread[GossipStage:1,5,main]
> java.lang.NullPointerException
>         at org.apache.cassandra.gms.Gossiper.convict(Gossiper.java:264)
>         at org.apache.cassandra.gms.FailureDetector.forceConviction(FailureDetector.java:246)
>         at org.apache.cassandra.gms.GossipShutdownVerbHandler.doVerb(GossipShutdownVerbHandler.java:37)
>         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:724)
>  INFO 02:18:23,402 Node /10.x.y.x is now part of the cluster
>  INFO 02:18:23,403 InetAddress /10.x.y.z is now UP
>  INFO 02:18:53,494 FatClient /10.x.y.z has been silent for 30000ms, removing from gossip
>  INFO 02:19:00,031 Handshaking version with /10.x.y.z



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