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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7112) ava.lang.ClassCastException: org.apache.cassandra.db.composites.CompoundComposite cannot be cast to org.apache.cassandra.db.composites.CellName
Date Tue, 29 Apr 2014 23:26:16 GMT
Tyler Hobbs created CASSANDRA-7112:
--------------------------------------

             Summary: ava.lang.ClassCastException: org.apache.cassandra.db.composites.CompoundComposite
cannot be cast to org.apache.cassandra.db.composites.CellName
                 Key: CASSANDRA-7112
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7112
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Tyler Hobbs


This may be related to CASSANDRA-6738, although the stacktraces show a pretty different path:

{noformat}
ERROR 23:13:17 Error occurred during processing of message.
java.lang.ClassCastException: org.apache.cassandra.db.composites.CompoundComposite cannot
be cast to org.apache.cassandra.db.composites.CellName
	at org.apache.cassandra.db.composites.AbstractCellNameType.cellFromByteBuffer(AbstractCellNameType.java:170)
~[main/:na]
	at org.apache.cassandra.thrift.ThriftValidation.validateColumnData(ThriftValidation.java:442)
~[main/:na]
	at org.apache.cassandra.thrift.ThriftValidation.validateColumnOrSuperColumn(ThriftValidation.java:318)
~[main/:na]
	at org.apache.cassandra.thrift.ThriftValidation.validateMutation(ThriftValidation.java:385)
~[main/:na]
	at org.apache.cassandra.thrift.CassandraServer.createMutationList(CassandraServer.java:849)
~[main/:na]
	at org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:964) ~[main/:na]
	at org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3922)
~[thrift/:na]
	at org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3906)
~[thrift/:na]
	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$WorkerProcess.run(CustomTThreadPoolServer.java:201)
~[main/:na]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_40]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_40]
	at java.lang.Thread.run(Thread.java:724) [na:1.7.0_40]
{noformat}

To reproduce, you can run this pycassa test:
{noformat}
python setup.py nosetests -w tests/test_autopacking.py:TestComposites.test_static_composite_get_partial_composite
{noformat}

The comparator is:
{noformat}
CompositeType(LongType, IntegerType, ReversedType(TimeUUIDType),  LexicalUUIDType, AsciiType,
UTF8Type, BytesType)
{noformat}

The insert that triggers the error only uses the first two components of the comparator:
{noformat}
cf.insert('key3', {(123123, 1): 'val'})
{noformat}



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