Error creating bean with name 'sqlSessionFactory' defined in file [D:\2017workspace\.metadata\.me_tcat85\webapps\SaiYue\WEB-INF\classes\spring\applicationContext-dao.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'org.imooc.dao.interceptor.PageInterceptor'.  Cause: java.lang.ClassNotFoundException: Cannot find class: org.imooc.dao.interceptor.PageInterceptor