Hi,
You should be able to fix your problem by replacing the call to
setAggregations with:
.addAggregation(AggregationBuilders.avg("memory_average").field("MEMORY"))
On Fri, May 23, 2014 at 7:30 PM, Subhadip Bagui <i.ba...@gmail.com> wrote:
> Hi,
>
> I'm trying to do aggregation using java api. But couldn't get the
> *SearchResponse* correctly. Getting below error. I've written method like
> below using XContentBuilder.
> Couldn't get any working scenarios from google. Please suggest any working
> example for aggregation of single value.
>
> * public static Aggregations searchAggregation() throws IOException {*
>
> * Client client = ESClientFactory.getInstance();*
>
> * XContentBuilder contentBuilder = XContentFactory.jsonBuilder()*
>
> * .startObject("aggs").startObject("memory_average")*
>
> * .startObject("avg").field("field", "MEMORY").endObject()*
>
> * .endObject().endObject();*
>
>
> * System.out.println(contentBuilder.string());*
>
> * SearchResponse response = client.prepareSearch("virtualmachines")*
>
> * .setTypes("nodes").setQuery(QueryBuilders.matchAllQuery())*
>
> * .setAggregations(contentBuilder).execute().actionGet();*
>
> * client.close();*
>
> * System.out.println(response);*
>
> * return response.getAggregations();*
>
> * }*
>
> *Error:*
>
> Exception in thread "main"
> *org.elasticsearch.transport.TransportSerializationException*: Failed to
> deserialize exception response from stream
>
> at
> org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(
> *MessageChannelHandler.java:169*)
>
> at
> org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(
> *MessageChannelHandler.java:123*)
>
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