TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
返回值超过一个，而你设置的接收变量不是集合 ...
原文：TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 7
错误配置: 正确配置: ...
2018-12-02 17:25 0 2084 推荐指数：
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TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
类型 异常报告 描述 服务器遇到一个意外的情况，阻止它完成请求。 例外情况 因为查询到两条数据 原来的查询语句 解决方法 添加查询的用户的id,会自动将多条数据的同一用户 ...
mybatis 异常: Invalid bound statement (not found),TooManyResultsException:Expected one result (or null) to be returned by selectOne(), but found
Invalid bound statement (not found): cn.com.dao.UserDao.selectByUser at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init> ...
Expected one result (or null) to be returned by selectOne(), but found: 2
看到标题就已经很明了了： 两种情况： 1.你想查询一条数据，但返回两条数据： 2.你想查询多条数据，但是前台限制只能查询一条 (1) 检查自己的数据sql语句写对没有（关于mybaties的s ...
org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
在配置mybatis操作数据库的时候会出现： org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found ...
mybatics异常org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 5
遍历结果集1-n的时候出现 org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 5 这个异常 ...
Caused by: org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
异常信息 表面上看异常信息是 mybatis 查询的结果有两条数据，但是返回的参数用一个对象接受的，于是打断点调式 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne ...
java报错nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne
java报错nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne ...