failed_minimal_example.sh

# Minimal reproduction of
# "the [include_in_root] parameter can't be updated on a nested object mapping"
# When that error would not be expected
#
# Seems to happen with `settings.index.number_of_shards` > 1
#
# Tested against Elasticsearch 7.9.2

ES_HOST=localhost:19200

curl -X PUT $ES_HOST/_template/template_1 -H 'Content-Type: application/json' -d'{
  "index_patterns": ["test.*"],
  "order": 0,
  "version": 2,
  "settings": {
    "index": {
      "priority": 5,
      "number_of_shards": 3
    }
  },
  "mappings": {
    "dynamic_templates": [
     {
        "nested": {
          "match": "*#nested",
          "mapping": {
            "type": "nested",
            "include_in_parent": true,
            "include_in_root": true
          }
        }
      }
    ]
  }
}'


curl -X PUT $ES_HOST/test.aaa

curl -X POST $ES_HOST/_bulk -H 'Content-Type: application/json' -d'
{ "index" : { "_index" : "test.aaa", "_id" : "1" } }
{"field#nested": [{"value": "aaa"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "2" } }
{"field#nested": [{"value": "bbb"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "3" } }
{"field#nested": [{"value": "ccc"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "4" } }
{"field#nested": [{"value": "ddd"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "5" } }
{"field#nested": [{"value": "ccc"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "6" } }
{"field#nested": [{"value": "ddd"}, {"value":"aaa_2"}]}
{ "index" : { "_index" : "test.aaa", "_id" : "7" } }
'

curl $ES_HOST/test.aaa/


curl -X DELETE $ES_HOST/test.aaa
curl -X DELETE $ES_HOST/_template/template_1

zz_bulk_request_output.txt

{
    "took": 63,
    "errors": true,
    "items": [
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "1",
                "status": 500,
                "error": {
                    "type": "mapper_exception",
                    "reason": "the [include_in_root] parameter can't be updated on a nested object mapping"
                }
            }
        },
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "2",
                "_version": 1,
                "result": "created",
                "_shards": {
                    "total": 2,
                    "successful": 1,
                    "failed": 0
                },
                "_seq_no": 0,
                "_primary_term": 1,
                "status": 201
            }
        },
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "3",
                "_version": 1,
                "result": "created",
                "_shards": {
                    "total": 2,
                    "successful": 1,
                    "failed": 0
                },
                "_seq_no": 1,
                "_primary_term": 1,
                "status": 201
            }
        },
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "4",
                "_version": 1,
                "result": "created",
                "_shards": {
                    "total": 2,
                    "successful": 1,
                    "failed": 0
                },
                "_seq_no": 2,
                "_primary_term": 1,
                "status": 201
            }
        },
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "5",
                "status": 500,
                "error": {
                    "type": "mapper_exception",
                    "reason": "the [include_in_root] parameter can't be updated on a nested object mapping"
                }
            }
        },
        {
            "index": {
                "_index": "test.aaa",
                "_type": "_doc",
                "_id": "6",
                "_version": 1,
                "result": "created",
                "_shards": {
                    "total": 2,
                    "successful": 1,
                    "failed": 0
                },
                "_seq_no": 0,
                "_primary_term": 1,
                "status": 201
            }
        }
    ]
}