elasticsearch：使用映射和设置创建索引

Question

当我尝试使用其设置创建索引时，出现此错误 “字段[type]上属性[fields]的预期映射，但有一个类java.lang.String”

注意：我正在使用elasticsearch 5.4.2版本 如何解决此问题？请

我的下面的代码：

PUT my_index2
 {"settings": {
        "analysis": {
          "filter": {
           "french_stop": {
                "type":       "stop",
                "stopwords": ["du", "d", "de"]
            },
            "french_elision": {
              "type": "elision",
              "articles_case": true,
              "articles": ["l","m","t","qu","n","s","j","d","c","jusqu","quoiqu","lorsqu","puisqu"]
            },
            "french_stemmer": {
              "type": "stemmer",
              "language": "light_french"
            }
          },
          "analyzer": {
            "custom_french": {
              "tokenizer": "standard",
              "filter": [
                "french_elision",
                "lowercase",
                "french_stemmer",
                "french_stop"
              ]
            }
          }
        }
      },
    "mappings": {
    "my_type": {
      "properties": {
        "cars":{
          "type": "nested",
          "properties": {
          "type": "nested",
            "property": {
              "type": "nested"},
            "car":{
              "type": "nested",
              "properties": {
                "property": {
                "type": "nested",
                "analyzer":"custom_french"}
              }
            }
          }
        }
      }
    }
  }
  }