Elasticsearch 7:未能分析映射[_doc]：根映射定义包含不支持的参数：

Question

我的NEST代码用于Elasticsearch版本6，在Elastichsearch版本7中抛出以下错误：

无法分析映射[_doc]：根映射定义包含不支持的参数：

我见过这个问题，它解释了ES 7中不推荐的映射类型。。。我不确定这是否是我的问题？如何解决这个问题？

这是我生成索引的代码：

var createIndexResponse = ElasticClient.CreateIndex(IndexName, c => c
    .Settings(st => st
        .Analysis(an => an
            .Analyzers(anz => anz
                .Custom("result_suggester_analyzer", rsa => rsa
                    .Tokenizer("standard")
                    .CharFilters("html_strip", "mapped_words_char_filter")
                    .Filters(new string[] { "english_possessive_stemmer", "lowercase", "asciifolding", "stop_words", "english_stemmer", "edge_ngram_token_filter", "unique" })
                )
                .Custom("custom_english_analyzer", ce => ce
                    .Tokenizer("standard")
                    .CharFilters("html_strip", "mapped_words_char_filter")
                    .Filters(new string[] { "english_possessive_stemmer", "lowercase", "asciifolding", "stop_words", "english_stemmer", "unique" })
                )
            )
            .Normalizers(nor => nor
                .Custom("custom_ignore_case_normalizer", icn => icn
                    .CharFilters("mapped_words_char_filter")
                    .Filters(new string[] { "lowercase", "asciifolding" })
                )
            )
            .CharFilters(cf => cf
                .Mapping("mapped_words_char_filter", md => md
                    .Mappings(
                        "C# => csharp"
                    )
                )
            )
            .TokenFilters(tfd => tfd
                .EdgeNGram("edge_ngram_token_filter", engd => engd
                    .MinGram(2)
                    .MaxGram(10)
                )
                .Stop("stop_words", sfd => sfd.StopWords(_stopWords))
                .Stemmer("english_stemmer", esd => esd.Language("english"))
                .Stemmer("english_possessive_stemmer", epsd => epsd.Language("possessive_english"))
            )
        )
    )
    .Mappings(m => m.Map<AdDocument>(d => d.AutoMap()))); 

这是我的文档

[ElasticsearchType(Name = "ad")]
public class AdDocument
{
    public long Id { get; set; }

    [Text(Analyzer = "custom_english_analyzer", SearchAnalyzer = "custom_english_analyzer")]
    public string FirstName { get; set; }

    // searchable properties from AdBase
    public bool IsActive { get; set; }

    [Text(Analyzer = "custom_english_analyzer", SearchAnalyzer = "custom_english_analyzer")]
    public string Title { get; set; }

    public short AdDurationInDays { get; set; }

    public DateTime AdStartTime { get; set; }

    [Keyword(Index = false)]   // Keyword => not analyzed
    public string MainPhotoUrl { get; set; }

    [Text(Analyzer = "custom_english_analyzer", SearchAnalyzer = "custom_english_analyzer")]
    public string StoreName { get; set; }

    // searchable properties from Address
    public GeoLocation GeoLocation { get; set; }

    [Keyword(Normalizer = "custom_ignore_case_normalizer")]   // keywords => not analyzed, use ignore case normalizer otherwise search would be case sensitive
    public string Suburb { get; set; }

    // Price is used when something is being sold, in case of real estate rental it indicates the rent value, in case of Jobs it is not used (we use salary) and services have not price
    public decimal? Price { get; set; }

    public DateTime? AvailableFrom { get; set; }

    public bool? IsFurnished { get; set; }

    public long? LandArea { get; set; }

    public short? JobTypeId { get; set; }
}

以下是Elasticsearch的响应（错误）：

Failed to parse mapping [_doc]: Root mapping definition has unsupported parameters:

[ad : {
    properties= {
        landArea={
            type=long
        }, 
        isFurnished={
            type=boolean
        }, isActive={
            type=boolean
        }, title={
            search_analyzer=custom_english_analyzer, 
            analyzer=custom_english_analyzer, 
            type=text
        }, 
        availableFrom={
            type=date
        }, 
        mainPhotoUrl={
            index=false, 
            type=keyword
        }, 
        price={
            type=double
        }, 
        storeName={
            search_analyzer=custom_english_analyzer, 
            analyzer=custom_english_analyzer, 
            type=text
        }, 
        id={
            type=long
        }, 
        firstName={
            search_analyzer=custom_english_analyzer, 
            analyzer=custom_english_analyzer, 
            type=text
        }, 
        geoLocation={
            type=geo_point
        }
    }
}]

Answer 1

您以前使用Elasticsearch版本6，现在使用版本7。

我认为你的云弹性搜索客户端版本仍然是版本6。这导致了您的错误。在Elasticsearch 7中，映射类型已被删除。https://www.elastic.co/guide/en/elasticsearch/reference/6.5/removal-of-types.html

将你的云也升级到7版。