Christian Spriegel created CASSANDRA-7990:
---------------------------------------------

             Summary: CompoundDenseCellNameType AssertionError and 
BoundedComposite to CellName ClasCastException
                 Key: CASSANDRA-7990
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7990
             Project: Cassandra
          Issue Type: Bug
            Reporter: Christian Spriegel
            Priority: Minor


I just updated my laptop to Cassandra 2.1 and created a fresh data folder.

When trying to run my automated tests i get a lot these exceptions in the 
Cassandra log:

{code}
ERROR [SharedPool-Worker-1] 2014-09-23 12:59:17,812 ErrorMessage.java:218 - 
Unexpected exception during request
java.lang.AssertionError: null
        at 
org.apache.cassandra.db.composites.CompoundDenseCellNameType.create(CompoundDenseCellNameType.java:57)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.Constants$Setter.execute(Constants.java:313) 
~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.UpdateStatement.addUpdateForKey(UpdateStatement.java:91)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.BatchStatement.addStatementMutations(BatchStatement.java:235)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.BatchStatement.getMutations(BatchStatement.java:181)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.BatchStatement.execute(BatchStatement.java:283)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.BatchStatement.execute(BatchStatement.java:269)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.statements.BatchStatement.execute(BatchStatement.java:264)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:187)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:206) 
~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:118)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.transport.Message$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_67]
        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:745) [na:1.7.0_67]

ERROR [Thrift:9] 2014-09-23 12:59:17,823 CustomTThreadPoolServer.java:219 - 
Error occurred during processing of message.
java.lang.ClassCastException: 
org.apache.cassandra.db.composites.BoundedComposite 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.thrift.CassandraServer.deleteColumnOrSuperColumn(CassandraServer.java:936)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.thrift.CassandraServer.createMutationList(CassandraServer.java:860)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:971)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3996)
 ~[apache-cassandra-thrift-2.1.0.jar:2.1.0]
        at 
org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3980)
 ~[apache-cassandra-thrift-2.1.0.jar:2.1.0]
        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) 
~[libthrift-0.9.1.jar:0.9.1]
        at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) 
~[libthrift-0.9.1.jar:0.9.1]
        at 
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:201)
 ~[apache-cassandra-2.1.0.jar:2.1.0]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
[na:1.7.0_67]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
[na:1.7.0_67]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]
{code}

I cannot say what is causing these. So I am posting this as it is for now, 
hoping somebody already knows what the issue is.

- Currently CQL and thrift is running side by side.
- Many of the CQL tables use compact storage.

I could dig deeper and try to isolate the cause if necessary.





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