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https://issues.apache.org/jira/browse/CASSANDRA-8108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14168972#comment-14168972
]
David Hearnden commented on CASSANDRA-8108:
-------------------------------------------
I get this performing a `SELECT DISCTINCT` query on some static columns using
the Java driver version 2.1.1
> ClassCastException in AbstractCellNameType
> ------------------------------------------
>
> Key: CASSANDRA-8108
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8108
> Project: Cassandra
> Issue Type: Bug
> Environment: Cassandra 2.1.0
> Datastax AMI on EC2 (Ubuntu Linux)
> Reporter: David Hearnden
>
> java.lang.ClassCastException:
> org.apache.cassandra.db.composites.Composites$EmptyComposite cannot be cast
> to org.apache.cassandra.db.composites.CellName
> at
> org.apache.cassandra.db.composites.AbstractCellNameType.cellFromByteBuffer(AbstractCellNameType.java:170)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.pager.SliceQueryPager.<init>(SliceQueryPager.java:57)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.pager.MultiPartitionPager.makePager(MultiPartitionPager.java:84)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.pager.MultiPartitionPager.<init>(MultiPartitionPager.java:68)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:101)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:125)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:215)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:60)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:187)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:413)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:133)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:422)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:318)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103)
> [netty-all-4.0.20.Final.jar:4.0.20.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:332)
> [netty-all-4.0.20.Final.jar:4.0.20.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:31)
> [netty-all-4.0.20.Final.jar:4.0.20.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:323)
> [netty-all-4.0.20.Final.jar:4.0.20.Final]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> [na:1.7.0_51]
> at
> org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:163)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:103)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
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