elasticsearch geo_shape type not insert into cassandra

[csuwater]

POST http://localhost:9200/example/doc
{
"location" : {
"type" : "linestring",
"coordinates" : [[-77.03653, 38.897676], [-77.009051, 38.889939]]
}
}

ERROR INFO
org.elasticsearch.transport.RemoteTransportException: [127.0.0.1][127.0.0.1:9300][indices:data/write/bulk[s][p]]
Caused by: java.lang.ClassCastException: java.util.HashMap cannot be cast to java.lang.String
at org.apache.cassandra.serializers.AbstractTextSerializer.serialize(AbstractTextSerializer.java:28)
at org.apache.cassandra.db.marshal.AbstractType.decompose(AbstractType.java:121)
at org.elassandra.cluster.Serializer.serialize(Serializer.java:230)
at org.elassandra.cluster.Serializer.serialize(Serializer.java:223)
at org.elassandra.cluster.QueryManager.upsertDocument(QueryManager.java:840)
at org.elassandra.cluster.QueryManager.insertDocument(QueryManager.java:694)
at org.elasticsearch.action.bulk.TransportShardBulkAction.lambda$executeIndexRequestOnPrimary$3(TransportShardBulkAction.java:468)
at org.elasticsearch.action.bulk.TransportShardBulkAction.executeOnPrimaryWhileHandlingMappingUpdates(TransportShardBulkAction.java:495)
at org.elasticsearch.action.bulk.TransportShardBulkAction.executeIndexRequestOnPrimary(TransportShardBulkAction.java:464)
at org.elasticsearch.action.bulk.TransportShardBulkAction.executeBulkItemRequest(TransportShardBulkAction.java:226)
at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:169)
at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:160)
at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:146)
at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:83)
at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1088)
at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1066)
at org.elasticsearch.action.support.replication.ReplicationOperation.execute(ReplicationOperation.java:105)
at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.runWithPrimaryShardReference(TransportReplicationAction.java:445)
at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.doRun(TransportReplicationAction.java:387)
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryOperationTransportHandler.messageReceived(TransportReplicationAction.java:327)
at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryOperationTransportHandler.messageReceived(TransportReplicationAction.java:314)
at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:66)
at org.elasticsearch.transport.TransportService$7.doRun(TransportService.java:696)
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:751)
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)