Highlighter - long /double field search highlights doesnt work

Elastic Stack Elasticsearch
1

I have tw

Highlighter doesnt highlight fields of type of double /long

Here is the index mapping and search request with highlight enabled
Index field mapping is below
mappings": {

  • "document": {
    • "dynamic_templates": [
      • {
        • "multi": {
          • "mapping": {
            • "type": "multi_field",
            • "fields": {
              • "{name}_raw": {
                • "index": "not_analyzed",
                • "type": "{dynamic_type}"
                  },
              • "{name}": {
                • "index": "analyzed",
                • "type": "{dynamic_type}"
                  }
                  }
                  },
          • "match": "multi_*"
            }
            },
      • {
        • "number": {
          • "mapping": {
            • "index": "not_analyzed",
            • "type": "{dynamic_type}"
              },
          • "match": "n0*"
            }
            }
            ],
    • "properties": {
      • "id": {
        • "type": "string"
          },
      • "text": {
        • "type": "string"
          },
      • "rank": {
        • "type": "double"
          },
      • "path": {
        • "type": "string"
          },
      • "createdDateTime": {
        • "format": "dateOptionalTime",
        • "type": "date"
          },
      • "dcn": {
        • "type": "string"
          },
      • "fields": {
        • "properties": {
          • "s2_StringSort3": {
            • "type": "string"
              },
          • "BegDoc#": {
            • "type": "string"
              },
          • "DocID": {
            • "type": "string"
              },
          • "EMail_Subject": {
            • "type": "string"
              },
          • "Filename": {
            • "type": "string"
              },
          • "OCRPath": {
            • "type": "string"
              },
          • "Filesize": {
            • "type": "string"
              },
          • "multi_DateSort2": {
            • "type": "string",
            • "fields": {
              • "multi_DateSort2_raw": {
                • "index": "not_analyzed",
                • "type": "string"
                  }
                  }
                  },
          • "DateSent": {
            • "type": "string"
              },
          • "s1_StringSort3": {
            • "type": "string"
              },
          • "multi_StringSort2": {
            • "type": "string",
            • "fields": {
              • "multi_StringSort2_raw": {
                • "index": "not_analyzed",
                • "type": "string"
                  }
                  }
                  },
          • "DateRcvd": {
            • "type": "string"
              },
          • "From": {
            • "type": "string"
              },
          • "multi_DoubleSort1": {
            • "index": "analyzed",
            • "type": "double",
            • "fields": {
              • "multi_DoubleSort1_raw": {
                • "type": "double"
                  }
                  }
                  },
          • "BegAttach": {
            • "type": "string"
              },
          • "n0_NumSort3": {
            • "type": "long"
              },
          • "n0_NumSort4": {
            • "type": "long"
              },
          • "multi_NumSort2": {
            • "index": "analyzed",
            • "type": "long",
            • "fields": {
              • "multi_NumSort2_raw": {
                • "type": "long"
                  }
                  }
                  },
          • "multi_NumSort1": {
            • "type": "string",
            • "fields": {
              • "multi_NumSort1_raw": {
                • "index": "not_analyzed",
                • "type": "string"
                  }
                  }
                  },
          • "n0_DoubleSort3": {
            • "type": "double"
              },
          • "To": {
            • "type": "string"
              },
          • "n0_DoubleSort2": {
            • "type": "double"
              },
          • "DateCreated": {
            • "type": "string"
              },
          • "ConversationIndex": {
            • "type": "string"
              },
          • "d0_DateSort3": {
            • "format": "dateOptionalTime",
            • "type": "date"
              },
          • "NativeFile": {
            • "type": "string"
              },
          • "s3_StringSort3": {
            • "type": "string"
              }
              }
              }
              }
              }

am doing search with the query ="n0_DoubleSort2:"67884.18"" request with
highlight enabled but I dont get any highlights in return

Can some one tell me if am doing some thing wrong

{
"from": 0,
"size": 1,
"highlight": {
"fragment_size": 0,
"number_of_fragments": 1,
"fragment_offset": 50,
"fields": {
"*": {
"order": "score",
"require_field_match": true
}
}
},
"query": {
"bool": {
"must": [
{
"query_string": {
"query": "n0_DoubleSort2:"67884.18"",
"fields": [
"_all"
]
}
}
]
}
}
}

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