springboot集成mybatis时提示找不到Mapper
2018-11-13 本文已影响0人
那些年搬过的砖
springboot集成mybatis时报错如下：
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APPLICATION FAILED TO START
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Description:
Field deviceMapper in com.esagent.es.EsDataInit required a bean of type 'com.esagent.mapper.EmDeviceMapper' that could not be found.
The injection point has the following annotations:
- @org.springframework.beans.factory.annotation.Autowired(required=true)
Action:
Consider defining a bean of type 'com.esagent.mapper.EmDeviceMapper' in your configuration.
网上提到的解决办法大概有以下几种
1. Application启动类包位置不对
2. 启动类未配置MapperScan
3. Mapper未配置注解@Mapper
4. yml文件未配置mybatis相关
mybatis:
mapper-locations: classpath:com/esagent/mapper/*.xml
type-aliases-package: com.esagent.bean
实际上造成这个问题的原因是很多的。我碰到的问题原因是pom依赖包之间版本的问题
原配置如下
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>
mybatis-spring-boot-starter采用了1.3.2版本，而mybatis-spring采用了1.2.3版本。将mybatis-spring升级为1.3.2版本后问题解决
