Top hits not is parsing with java api client

Elastic Stack Elasticsearch
1

I stumbled onto this discussion while I was writing aggregation with limiting response to limited number of fields.

SearchRequest searchRequest = new SearchRequest.Builder()
    .index("idx_name")
    .query(query)
    .source(SourceConfig.of(s -> s.filter(f -> f.includes(List.of(// 10 fields // )))))
    .build();

My query :

"aggregations": {
    "someField": {
      "aggregations": {
        "documents": {
          "top_hits": {
            "size": 20,
            "_source": {
              "includes": [
                "field1",
                "field2",
                "field3",
                ..
                "fieldN"
              ]
            }
          }
        }
      },
      "terms": {
        "field": "someField",
        "size": 100
      }
    }
  }

if i add more than 3 fields, the client is not able to parse the response.

i tried my query with java api client setup using this tutorial : Basic authentication | Elasticsearch Java API Client [8.12] | Elastic

i get following error when i client tries to parse the response :

Method threw 'java.lang.NoSuchMethodError' exception. Cannot evaluate co.elastic.clients.elasticsearch.core.SearchResponse.toString()

Any guidance would be appreciated. thanks

2

Welcome!

What is the dependency tree?

mvn dependency:tree
3

Hi David,

I did a bit of reading and looks like the problem is with my index documents have both long and string mappings i.e. if I search with all String fields then no issues but on mixing them causes problem (mini problem).

and I was using jackson 2.10.x (big problem), upgrading to jackson 2.17.0 resolved it.

other configs java 8, es 8.12.x

thanks

4

This is well documented here:

5

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