这个错误主要原因是：数据库的配置出问题，比如写错库名什么的，仔细检查下。
免责声明！
本站转载的文章为个人学习借鉴使用，本站对版权不负任何法律责任。如果侵犯了您的隐私权益，请联系本站邮箱yoyou2525@163.com删除。
猜您在找
Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
HTTP Status 500 - org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException
MyBatis 报错: MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException
Spring+mybatis错误：org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.
Spring错误：org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.Bi
错误：严重: Servlet.service() for servlet [appServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 3
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2 at org.m