Type interface mapper.UserMapper is not known to the MapperRegistry.
2017-08-14 13:35
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org.apache.ibatis.exceptions.PersistenceException:
### Error building SqlSession.
### The error may exist in mybatis/mapper/UserMapper.xml
org.apache.ibatis.binding.BindingException: Type interface mapper.UserMapper is not known to the MapperRegistry.
在学习mybatis的过程中遇到了以上相关的问题,最后解决办法是:
UserMapper.xml中的namespace 要和全局配置文件中注册的路径一样。
————————————————————————————————————————————————————————————————
下面附上网上查找的编写mapper接口的四个开发规范:
在mapper.xml中,使namespace等于mapper接口的地址(完全限定名)
mapper.java接口中的方法名和mapper.xml中statement的id一致
mapper.java接口中方法的输入参数类型和mapper.xml中statement的parameterType指定的类型一致
mapper.java接口中方法返回值类型和mapper.xml中statement的resultType指定的类型一致
### Error building SqlSession.
### The error may exist in mybatis/mapper/UserMapper.xml
org.apache.ibatis.binding.BindingException: Type interface mapper.UserMapper is not known to the MapperRegistry.
在学习mybatis的过程中遇到了以上相关的问题,最后解决办法是:
UserMapper.xml中的namespace 要和全局配置文件中注册的路径一样。
————————————————————————————————————————————————————————————————
下面附上网上查找的编写mapper接口的四个开发规范:
在mapper.xml中,使namespace等于mapper接口的地址(完全限定名)
mapper.java接口中的方法名和mapper.xml中statement的id一致
mapper.java接口中方法的输入参数类型和mapper.xml中statement的parameterType指定的类型一致
mapper.java接口中方法返回值类型和mapper.xml中statement的resultType指定的类型一致
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