Cannot find class: VARCHAR

搭建的springboot框架，发现配置什么的都没有问题，一直提示Cannot find class: VARCHAR

最后发现是mappers里边有个javaType类型管理，ibatis包也提示找不到该类型VARCHAR，后来我吧varchar改成String就可以了
Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'VARCHAR'.  Cause: java.lang.ClassNotFoundException: Cannot find class: VARCHAR；

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'kqUserController': 
Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException:
 Error creating bean with name 'kqUserSeviceImpl': 
Injection of resource dependencies failed; 
nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException:
 Error creating bean with name 'kqUserDao' defined in file [G:\ideaFULL\hczk_kq\target\classes\com\example\hczkkq\dao\KqUserDao.class]: 
Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; 
nested exception is org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: 
Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: 
Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]:
 Factory method 'sqlSessionFactory' threw exception; 
nested exception is org.springframework.core.NestedIOException:
 Failed to parse mapping resource: 'file [G:\ideaFULL\hczk_kq\target\classes\mappers\KqUserMapper.xml]';
 nested exception is org.apache.ibatis.builder.BuilderException: 
Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException:
 Error resolving class. Cause: org.apache.ibatis.type.TypeException:
 Could not resolve type alias 'VARCHAR'.  Cause: java.lang.ClassNotFoundException: Cannot find class: VARCHAR