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Posted to commits@cassandra.apache.org by "Brandon Williams (Assigned) (JIRA)" <ji...@apache.org> on 2012/03/08 18:53:57 UTC

[jira] [Assigned] (CASSANDRA-4019) java.util.ConcurrentModificationException in Gossiper

     [ https://issues.apache.org/jira/browse/CASSANDRA-4019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Williams reassigned CASSANDRA-4019:
-------------------------------------------

    Assignee: Brandon Williams
    
> java.util.ConcurrentModificationException in Gossiper
> -----------------------------------------------------
>
>                 Key: CASSANDRA-4019
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4019
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.9
>            Reporter: Thibaut
>            Assignee: Brandon Williams
>            Priority: Minor
>             Fix For: 0.8.11
>
>         Attachments: 4019.txt
>
>
> I have never seen this one before. Might be triggered by a race condition under heavy load. This error was triggered on 0.8.9
> ERROR [GossipTasks:1] 2012-03-05 04:16:55,263 Gossiper.java (line 162) Gossip error
> java.util.ConcurrentModificationException
>         at java.util.ArrayDeque$DeqIterator.next(ArrayDeque.java:605)
>         at org.apache.cassandra.utils.AbstractStatsDeque.sum(AbstractStatsDeque.java:37)
>         at org.apache.cassandra.utils.AbstractStatsDeque.mean(AbstractStatsDeque.java:60)
>         at org.apache.cassandra.gms.ArrivalWindow.mean(FailureDetector.java:259)
>         at org.apache.cassandra.gms.ArrivalWindow.phi(FailureDetector.java:282)
>         at org.apache.cassandra.gms.FailureDetector.interpret(FailureDetector.java:155)
>         at org.apache.cassandra.gms.Gossiper.doStatusCheck(Gossiper.java:538)
>         at org.apache.cassandra.gms.Gossiper.access$700(Gossiper.java:57)
>         at org.apache.cassandra.gms.Gossiper$GossipTask.run(Gossiper.java:157)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
>  INFO [GossipStage:1] 2012-03-05 04:16:55,263 Gossiper.java (line 737) Node /192.168.3.18 has restarted, now UP again
>  INFO [GossipStage:1] 2012-03-05 04:16:55,264 Gossiper.java (line 705) InetAddress /192.168.3.18 is now UP

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