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https://issues.apache.org/jira/browse/CASSANDRA-4118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis reassigned CASSANDRA-4118:
-----------------------------------------
Assignee: Vijay
Hmm, ReadResponse uses ArrayBackedSortedColumns for its ColumnFamily objects,
so I see why a CME could happen in that respect. What I don't see is where we
modify the CF columns post-construction.
> ConcurrentModificationException in
> ColumnFamily.updateDigest(ColumnFamily.java:294) (cassandra 1.0.8)
> ------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-4118
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4118
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.8
> Environment: two nodes, replication factor=2
> Reporter: Zklanu Ryś
> Assignee: Vijay
> Fix For: 1.0.10, 1.1.0
>
>
> Sometimes when reading data I receive them without any exception but I can
> see in Cassandra logs, that there is an error:
> ERROR [ReadRepairStage:58] 2012-04-05 12:04:35,732
> AbstractCassandraDaemon.java (line 139) Fatal exception in thread
> Thread[ReadRepairStage:58,5,main]
> java.util.ConcurrentModificationException
> at
> java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> at java.util.AbstractList$Itr.next(AbstractList.java:343)
> at
> org.apache.cassandra.db.ColumnFamily.updateDigest(ColumnFamily.java:294)
> at org.apache.cassandra.db.ColumnFamily.digest(ColumnFamily.java:288)
> at
> org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:102)
> at
> org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:30)
> at
> org.apache.cassandra.service.ReadCallback$AsyncRepairRunner.runMayThrow(ReadCallback.java:227)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
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