// throw new IllegalArgumentException("The property Bootstrap.CLUSTER_NAME was not in the Map or was in the Map but not as a String");
if(builderObj == null || !(builderObj instanceof Builder))
throw new IllegalArgumentException("The property Bootstrap.CASSANDRA_BUILDER was not in the Map or was in Map but was not of type Builder and must be supplied when using Cassandra plugin");
Builder builder = (Builder) builderObj;
AstyanaxContext<Cluster> clusterContext = builder.buildCluster(ThriftFamilyFactory.getInstance());
keyspaceName = clusterContext.getKeyspaceName();
if(keyspaceName == null)
throw new IllegalArgumentException("You did not call Builder.forKeyspace on the astyanax Builder api. We need to know the keyspace to continue");
clusterContext.start();