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https://issues.apache.org/jira/browse/CASSANDRA-4118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13248227#comment-13248227
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Zklanu Ryś commented on CASSANDRA-4118:
---------------------------------------
Actually we use Solandra on top of Cassandra 1.0.8, it uses thrift. We do not
know the internal configuration (row cache) or if the solr's range query we
perform is translated into cassandra's slice query... :/
> 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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