BeanCreationException: Error creating bean with name 'categoryController'/ClassNotFoundException

异常内容：
严重: Exception sending context initialized event to listener instance of class [org.springframework.web.context.ContextLoaderListener]
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘categoryController’: Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: com.draeger.service.CategoryService com.draeger.controller.CategoryController.categoryService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘categoryServiceImpl’: Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: com.draeger.dao.CategoryDao com.draeger.service.impl.CategoryServiceImpl.categoryController; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.draeger.dao.CategoryDao] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘categoryDao’ defined in file [C:\Users\huanshao\workspace.metadata.plugins\org.eclipse.wst.server.core\tmp2\wtpwebapps\CS-Service\WEB-INF\classes\com\draeger\dao\CategoryDao.class]: Cannot resolve reference to bean ‘sqlSessionFactory’ while setting bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [spring-mybatis.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file [C:\Users\huanshao\workspace.metadata.plugins\org.eclipse.wst.server.core\tmp2\wtpwebapps\CS-Service\WEB-INF\classes\com\draeger\mapping\CategoryMapper.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 ‘Category’. Cause: java.lang.ClassNotFoundException: Cannot find class: Category

解决办法：检查mapper.xml文件的包名，是否正确，以下是本人手残，直接复制的代码，包名出错,导致不正确！！!