Exception Thrown with this

HectorDynamicTest.java

import java.util.Arrays;

import me.prettyprint.cassandra.model.HColumnImpl;
import me.prettyprint.cassandra.serializers.BytesArraySerializer;
import me.prettyprint.cassandra.serializers.DynamicCompositeSerializer;
import me.prettyprint.cassandra.serializers.StringSerializer;
import me.prettyprint.cassandra.utils.TimeUUIDUtils;
import me.prettyprint.hector.api.Cluster;
import me.prettyprint.hector.api.Keyspace;
import me.prettyprint.hector.api.beans.DynamicComposite;
import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition;
import me.prettyprint.hector.api.ddl.ComparatorType;
import me.prettyprint.hector.api.ddl.KeyspaceDefinition;
import me.prettyprint.hector.api.factory.HFactory;
import me.prettyprint.hector.api.mutation.Mutator;


public class HecorTestDynamicCompositeColumn {

	public static String keyspaceName = "ApplicationSpace18",
			columnFamilyName = "TheFamily";

	public static void main(String... args) {
		// Step 1: Create a cluster
		Cluster cluster = HFactory.getOrCreateCluster("Test Cluster",
				"192.168.2.38:9160");

		KeyspaceDefinition keyspaceDef = cluster.describeKeyspace(keyspaceName);
		if (keyspaceDef == null) {
			// Step 2: Create the schema
			ColumnFamilyDefinition cfd = HFactory.createColumnFamilyDefinition(
					keyspaceName, columnFamilyName,
					ComparatorType.DYNAMICCOMPOSITETYPE); //for column keys!
			
			cfd.setComparatorTypeAlias("(t=>TimeUUIDType,i=> IntegerType)"); //column keys 
			cfd.setKeyValidationClass("BytesType"); // for row keys
			cfd.setDefaultValidationClass(ComparatorType.UTF8TYPE              // column values, not keys
					.getClassName());

			KeyspaceDefinition myKs = HFactory.createKeyspaceDefinition(
					keyspaceName, "SimpleStrategy", 2,
					Arrays.asList(cfd));

			// Step 3: Add schema to the cluster and waits for agreement from cluster
			cluster.addKeyspace(myKs, true);
		}
		
		
		Keyspace ksp = HFactory.createKeyspace(keyspaceName, cluster);
		
		//The mutator is a mutator for ANY column family. 
		Mutator<byte[]> mutator = HFactory.createMutator(ksp, BytesArraySerializer.get());
	    
		//The columns inside the "composite row" are simply DynamicComposite:String for key:value pairs. 
		//You can exapnd this model and use Composite:String or whatever other time you want
	    HColumnImpl<DynamicComposite, String> column = new HColumnImpl<DynamicComposite, String>(DynamicCompositeSerializer.get(), StringSerializer.get());
	    column.setClock(ksp.createClock()); 
	    
	    // family above.
	    DynamicComposite colKey = new DynamicComposite();
	    
	    colKey.add(0, TimeUUIDUtils.getUniqueTimeUUIDinMillis());
	    colKey.add(1, 23);
	    
	    column.setName(colKey);       
	    column.setValue("email@example.com");
	    
	    //insert on  RowKey: 49760920-58db-11e1-be0d-3c07546ac0c4:userIdentifyierMD5Hash
	    mutator.insert("realByteArray".getBytes(), columnFamilyName, column);
	    
	
	}
}