Elasticsearch type=invalid_type_name_exception,reason=Document mapping type name can‘t start with问题解

亦凉 2022-09-01 13:57 179阅读 0赞

### 问题描述： ###

org.springframework.data.elasticsearch.UncategorizedElasticsearchException: Elasticsearch exception \[type=invalid\_type\_name\_exception, reason=Document mapping type name can't start with '\_', found: \[\_doc\]\]; nested exception is ElasticsearchStatusException\[Elasticsearch exception \[type=invalid\_type\_name\_exception, reason=Document mapping type name can't start with '\_', found: \[\_doc\]\]\]

Suppressed: org.elasticsearch.client.ResponseException: method \[PUT\], host \[http://localhost:9200\], URI \[/user/\_doc/xudongmaster?timeout=1m\], status line \[HTTP/1.1 400 Bad Request\]  
\{"error":\{"root\_cause":\[\{"type":"invalid\_type\_name\_exception","reason":"Document mapping type name can't start with '\_', found: \[\_doc\]"\}\],"type":"invalid\_type\_name\_exception","reason":"Document mapping type name can't start with '\_', found: \[\_doc\]"\},"status":400\}

### 问题分析： ###

1、Elasticsearch缓存数据库版本为6.1.0，但是Elasticsearch的依赖版本是7.9.3，由于Elasticsearch7以上版本的java api默认type为\_doc，但是Elasticsearch6的type不支持\_开头导致报错。

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解决办法：

（1）Elasticsearch依赖版本不变，将Elasticsearch缓存数据库升级至7.x版本以上。

（2）Elasticsearch缓存数据库版本不变，将Elasticsearch依赖版本将至6.2.2。

<dependency>
                <groupId>org.springframework.data</groupId>
                <artifactId>spring-data-elasticsearch</artifactId>
                <version>3.1.1.RELEASE</version>
                <scope>compile</scope>
            </dependency>

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