springboot+mybatis Caused by: org.apache.ibatis.builder.BuilderException:

最新推荐文章于 2025-06-19 14:54:21 发布

原创最新推荐文章于 2025-06-19 14:54:21 发布 · 1.6k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#springboot #mybatis

异常分析专栏收录该内容

2 篇文章

订阅专栏

本文详细解析了MyBatis中Mapper XML配置文件出现命名空间错误的原因及解决方案，通常由于实体类和DAO路径指定错误导致，通过检查并修正路径可以有效解决问题。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'xxx/xxx/xxxMapper.xml'. Cause: org.apache.ibatis.builder.BuilderException: Wrong namespace. Expected 'xxx.ccc.xxxMapper' but found 'xxx.ccc.xxxMapper'.
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.loadXmlResource(MapperAnnotationBuilder.java:173) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parse(MapperAnnotationBuilder.java:124) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.binding.MapperRegistry.addMapper(MapperRegistry.java:72) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.session.Configuration.addMapper(Configuration.java:741) ~[mybatis-3.4.6.jar:3.4.6]
	at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:80) ~[mybatis-spring-1.3.2.jar:1.3.2]
	... 50 common frames omitted
Caused by: org.apache.ibatis.builder.BuilderException: Wrong namespace. Expected 'xxx.ccc.xxxMapper' but found 'xxx.xxx.xxxMapper'.
	at org.apache.ibatis.builder.MapperBuilderAssistant.setCurrentNamespace(MapperBuilderAssistant.java:78) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:112) ~[mybatis-3.4.6.jar:3.4.6]
	... 56 common frames omitted

mybatis的mapper.xml配置文件中指定的实体类和Dao找不到！！！

一般情况下是没有创建或者是指定的路径有误（我当时是从其他项目中拷贝过来的所以指定的包的路径有问题）