Mark Wick created CASSANDRA-9324:
------------------------------------

             Summary: Map Mutation rejected by Cassandra: 
IllegalArgumentException
                 Key: CASSANDRA-9324
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9324
             Project: Cassandra
          Issue Type: Bug
          Components: API
         Environment: Windows 7, Cassandra 2.1.5
            Reporter: Mark Wick
            Priority: Minor


We use a collection (map<ascii,ascii>) in a CQL3 table. We write into that cql3 
table using thrift mutations, from a c++ application. We are prototyping 
migrating from our current Cassandra (2.0.7) to 2.1.5, and are unable to write 
rows to this cql3 table. We have no problems when we remove the writes to the 
map column, and all other writes succeed in this case. Cassandra is rejecting 
our writes and we are catching a TTransportException (no more data to read). 
The below call stack is from the Cassandra instance that is rejecting the write.




ERROR 14:08:10 Error occurred during processing of message.
java.lang.IllegalArgumentException: null
        at java.nio.Buffer.limit(Unknown Source) ~[na:1.7.0_71]
        at 
org.apache.cassandra.utils.ByteBufferUtil.readBytes(ByteBufferUtil.java:543) 
~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.serializers.CollectionSerializer.readValue(CollectionSerializer.java:124)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.serializers.MapSerializer.validateForNativeProtocol(MapSerializer.java:80)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.serializers.CollectionSerializer.validate(CollectionSerializer.java:61)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.db.marshal.AbstractType.validate(AbstractType.java:97) 
~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.ThriftValidation.validateColumnData(ThriftValidation.java:449)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.ThriftValidation.validateColumnOrSuperColumn(ThriftValidation.java:318)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.ThriftValidation.validateMutation(ThriftValidation.java:385)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.CassandraServer.createMutationList(CassandraServer.java:861)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:976)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3996)
 ~[apache-cassandra-thrift-2.1.5.jar:2.1.5]
        at 
org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.getResult(Cassandra.java:3980)
 ~[apache-cassandra-thrift-2.1.5.jar:2.1.5]
        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) 
~[libthrift-0.9.2.jar:0.9.2]
        at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) 
~[libthrift-0.9.2.jar:0.9.2]
        at 
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:205)
 ~[apache-cassandra-2.1.5.jar:2.1.5]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 
[na:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 
[na:1.7.0_71]
        at java.lang.Thread.run(Unknown Source) [na:1.7.0_71]



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