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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7940) Gossip only node removal can race with FD.convict
Date Tue, 16 Sep 2014 00:13:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14134728#comment-14134728
] 

Brandon Williams commented on CASSANDRA-7940:
---------------------------------------------

Obviously caused by the other side sending the shutdown verb right as it was expiring.

> Gossip only node removal can race with FD.convict
> -------------------------------------------------
>
>                 Key: CASSANDRA-7940
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7940
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Minor
>             Fix For: 2.1.1
>
>
> {noformat}
> INFO  00:04:48 FatClient /10.208.8.63 has been silent for 30000ms, removing from gossip
> INFO  00:04:49 Handshaking version with /10.208.8.63
> ERROR 00:04:53 Exception in thread Thread[GossipStage:1,5,main]
> java.lang.NullPointerException: null
>         at org.apache.cassandra.gms.Gossiper.convict(Gossiper.java:301) ~[main/:na]
>         at org.apache.cassandra.gms.FailureDetector.forceConviction(FailureDetector.java:251)
~[main/:na]
>         at org.apache.cassandra.gms.GossipShutdownVerbHandler.doVerb(GossipShutdownVerbHandler.java:37)
~[main/:na]
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62)
~[main/:na]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
~[na:1.7.0_60]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
~[na:1.7.0_60]
>         at java.lang.Thread.run(Thread.java:745) ~[na:1.7.0_60]
> {noformat}



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