using cassandra-0.6.0-beta2/
2010-03-09 09:17:26,827 ERROR [pool-1-thread-675] [Cassandra.java:1166] Internal error processing get 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.service.QuorumResponseHandler.get(QuorumResponseHandler.java:68) at org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:470) at org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:401) at org.apache.cassandra.thrift.CassandraServer.readColumnFamily(CassandraServer.java:101) at org.apache.cassandra.thrift.CassandraServer.multigetInternal(CassandraServer.java:309) at org.apache.cassandra.thrift.CassandraServer.get(CassandraServer.java:274) at org.apache.cassandra.thrift.Cassandra$Processor $get.process(Cassandra.java:1156) at org.apache.cassandra.thrift.Cassandra $Processor.process(Cassandra.java:1114) at org.apache.thrift.server.TThreadPoolServer $WorkerProcess.run(TThreadPoolServer.java:253) 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:619)