报错Mapped Statements collection does not contain value for com.atguigu.mybatis.dao.EmployeeMapperPlus 我报错的原因就是select属性值写错了,写成这样了. select="com.atguigu.mybatis.dao.EmployeeMapperPlus" 应该写成这样 select="com.atguigu.mybatis.dao.EmployeeMapperPlus.g…

首页 > 精品文库 > mybatis报错Mapped Statements collection does not contain value for com.inter.IOper mybatis报错Mapped Statements collection does not contain value for com.inter.IOper 2015-04-09 浏览(52)   [摘要:正在顺序挪用IOperation接心中的getAllItems方式时,涌现了以下毛病: Excepti…

报错如下: ### Error updating database. Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.xxx.entity.UserMapper.insert ### Cause: java.lang.IllegalArgumentException: Mapped Statements collection does no…

问题一: mybatisPlus完全兼容mybatis,一般来说直接替换掉就可以了,如果mybatis的数据源不能取消创建的话,就注掉mybatisplus的数据源 //@Configurationpublic class DataSourceConfig {// @Bean(name="dataSource2")// @ConfigurationProperties(prefix="spring.datasource") public DataSource dat…

1.检查sqlsession配置,在applicationContext文件中.检查mybatis配置文件. 2.检查TransDispatchingMapper.java 是接口类,无注解. 3.TransDispatchingMapper.xml的命名空间就是TransDispatchingMapper接口类的地址,这个不能写错,否则会报错. 4.xml文件格式要求严格,如大于号,小于号,注释符号多了几个--,文件第一行留有空格,${}写错成中括号等,都会报错,所以除了仔细还是仔细,在开发过…

解决办法: 看看你的mybatis-config.xml <mappers>     <mapper resource="mapper/SeckillDao.xml"/> </mappers> 这个删掉.和spring-dao 的配置重复了…

错误提示: Caused by: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.tuyrk._161_java_socket.project6.dao.UserMapper.findOne 错误原因: 在Mybatis的配置文件中,配置了重名的方法findOne. 解决方法: 将方法名称改成其他名称.Mybatis配置文件不能重名. java.lang…

编译通过并且运行web成功后,访问的页面不需要连接数据库,不牵扯到反射调用实体类就不会报错, 报错内容如下: [WARNING] org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exce…

报错信息: Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Exception in thre…

mybatis报错 Error instantiating interface com.atguigu.mybatis.dao.DepartmentMapper with invalid types () or values () 错因在于把 <association property="dept" select="com.atguigu.mybatis.dao.DepartmentMapper.getDeptById" column="d_id&q…