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  1. Apache Cassandra
  2. CASSANDRA-4019

java.util.ConcurrentModificationException in Gossiper

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Details

    • Bug
    • Status: Resolved
    • Low
    • Resolution: Fixed
    • 1.0.0, 1.0.9, 1.1.0
    • None
    • None
    • Low

    Description

      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

      Attachments

        1. 4019.txt
          2 kB
          Brandon Williams
        2. 4019-trunk.txt
          13 kB
          Brandon Williams

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          People

            brandon.williams Brandon Williams
            tbritz Thibaut
            Brandon Williams
            Jonathan Ellis
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            Dates

              Created:
              Updated:
              Resolved: