elasticsearch - ElasticSearch SearchParseException:使用geo_distance过滤器时，解析失败[解析源失败]

Question

我是ElasticSeach的新手，已经为elasticseach集群中的城市列表编制了索引。每个城市包含的详细信息，例如城市，州，位置(经纬度)等。

现在，我的要求是搜索特定位置20公里范围内的城市，对于这些城市，我要经过纬度，而对于已经索引到群集中的特定城市，则要经过很长时间。

这是我在elasticsearch头插件的UI中显示的索引数据:

{
    "_index": "us_large_cities",
    "_type": "city",
    "_id": "AVqDpwkjfjWoT7yVe_qt",
    "_version": 1,
    "_score": 1,
    "_source": {
        "city": "Lincoln",
        "state": "NE",
        "location": {
            "lat": "40.8000011",
            "lon": "-96.6669599"
         }
     }
} 

这是我的curl命令，用于搜索数据:

curl -XGET 'http://localhost:9200/us_large_cities/city/_search?pretty=true' -d '
{
  "query": {
    "filtered" : {
        "query" : {
            "match_all" : {}
        },
        "filter" : {
            "geo_distance" : {
                "distance" : "20km",
                "location" : {
                    "lat" : 40.8000011,
                    "lon" : -96.6669599
                }
            }
        }
    }
  }
}'

我得到了SearchParseException，这是完整的堆栈跟踪:

org.elasticsearch.search.SearchParseException: [us_large_cities][2]: from[-1],size[-1]: Parse Failure [Failed to parse source [
{
  "query": {
    "filtered" : {
        "query" : {
            "match_all" : {}
        },
        "filter" : {
            "geo_distance" : {
                "distance" : "20km",
                "location" : {
                    "lat" : 40.8000011,
                    "lon" : -96.6669599
                }
            }
        }
    }
  }
}]]
    at org.elasticsearch.search.SearchService.parseSource(SearchService.java:687)
    at org.elasticsearch.search.SearchService.createContext(SearchService.java:543)
    at org.elasticsearch.search.SearchService.createAndPutContext(SearchService.java:515)
    at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:277)
    at org.elasticsearch.search.action.SearchServiceTransportAction$5.call(SearchServiceTransportAction.java:231)
    at org.elasticsearch.search.action.SearchServiceTransportAction$5.call(SearchServiceTransportAction.java:228)
    at org.elasticsearch.search.action.SearchServiceTransportAction$23.run(SearchServiceTransportAction.java:559)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.elasticsearch.index.query.QueryParsingException: [us_large_cities] failed to find geo_point field [location]
    at org.elasticsearch.index.query.GeoDistanceFilterParser.parse(GeoDistanceFilterParser.java:159)
    at org.elasticsearch.index.query.QueryParseContext.executeFilterParser(QueryParseContext.java:347)
    at org.elasticsearch.index.query.QueryParseContext.parseInnerFilter(QueryParseContext.java:328)
    at org.elasticsearch.index.query.FilteredQueryParser.parse(FilteredQueryParser.java:74)
    at org.elasticsearch.index.query.QueryParseContext.parseInnerQuery(QueryParseContext.java:281)
    at org.elasticsearch.index.query.IndexQueryParserService.innerParse(IndexQueryParserService.java:382)
    at org.elasticsearch.index.query.IndexQueryParserService.parse(IndexQueryParserService.java:281)
    at org.elasticsearch.index.query.IndexQueryParserService.parse(IndexQueryParserService.java:276)
    at org.elasticsearch.search.query.QueryParseElement.parse(QueryParseElement.java:33)
    at org.elasticsearch.search.SearchService.parseSource(SearchService.java:671)
    ... 9 more

我已经搜索了SO中的各种帖子，但没有一个对我有用。
有什么建议，我在哪里犯错？

Answer 1

[us_large_cities] failed to find geo_point field [location]

这是您的错误，因为如果您想使用 geo_distance过滤器，则必须将位置字段索引为 geo_point字段。更多信息 here。

编辑:所以

"location": {
            "lat": "40.8000011",
            "lon": "-96.6669599"
         }

需要定义为:

{
    "city_location" : {
        "location" : {
            "lat" : 41.12,
            "lon" : -71.34
        }
    }
}