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https://issues.apache.org/jira/browse/CASSANDRA-9324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876478#comment-14876478
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Tyler Hobbs commented on CASSANDRA-9324:
----------------------------------------
[~dloegering] no, collections are still supported, you just need to encode
collections slightly different when talking to 2.1 nodes vs 2.0 nodes. With
2.0 nodes, the collection element count and the sizes of individual collection
elements should be shorts (two bytes). With 2.1 nodes, the collection element
count and sizes are ints (four bytes).
> 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
> Assignee: Tyler Hobbs
> 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.
> {code}
> 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]{code}
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