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https://issues.apache.org/jira/browse/CASSANDRA-6403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis resolved CASSANDRA-6403.
---------------------------------------
Resolution: Fixed
Fix Version/s: 2.0.4
> Division by zero Exception in HintedHandoff and CompactionExecutor
> ------------------------------------------------------------------
>
> Key: CASSANDRA-6403
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6403
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Cassandra 2.0.3 RC, Linux (Ubuntu Precise), OpenJDK 7
> Reporter: Gabriel Wicke
> Fix For: 2.0.4
>
>
> In write load testing I'm getting division by zero exceptions after running
> for a while:
> ERROR [HintedHandoff:2] 2013-11-23 20:44:41,411 CassandraDaemon.java (line
> 187) Exception in thread Thread[HintedHandoff:2,1,main]
> java.lang.RuntimeException: java.util.concurrent.ExecutionException:
> java.lang.ArithmeticException: / by zero
> at
> org.apache.cassandra.db.HintedHandOffManager.doDeliverHintsToEndpoint(HintedHandOffManager.java:464)
> at
> org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:309)
> at
> org.apache.cassandra.db.HintedHandOffManager.access$300(HintedHandOffManager.java:92)
> at
> org.apache.cassandra.db.HintedHandOffManager$4.run(HintedHandOffManager.java:530)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:724)
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.ArithmeticException: / by zero
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> at java.util.concurrent.FutureTask.get(FutureTask.java:111)
> at
> org.apache.cassandra.db.HintedHandOffManager.doDeliverHintsToEndpoint(HintedHandOffManager.java:460)
> ... 6 more
> ERROR [CompactionExecutor:8] 2013-11-23 21:34:01,493 CassandraDaemon.java
> (line 187) Exception in thread Thread[CompactionExecutor:8,1,RMI Runtime]
> java.lang.ArithmeticException: / by zero
> at
> org.apache.cassandra.db.compaction.ParallelCompactionIterable.<init>(ParallelCompactionIterable.java:59)
> at
> org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:126)
> at
> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> at
> org.apache.cassandra.db.compaction.CompactionManager$6.runMayThrow(CompactionManager.java:296)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:724)
> The nodes that encounter this error seem to hold onto a lot of memory which
> is not freed even after the write load is stopped. With the write load
> continuing they eventually run out of heap. nodetool compact dies with the
> same exception.
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