【出错：Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'cn.mgy.mapper.UserMapper.findById'.】的更多相关文章

出错：Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'cn.mgy.mapper.UserMapper.findById'.

详细出错代码: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'cn.mgy.mapper.UserMapper.findById'. I…

ExecutorException: A query was run and no Result Maps were found for the Mapped Statement ‘com.win.mall.dao.CartMapper.test’. It’s likely that neither a Result Type nor a Result Map was specified.

ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'com.win.mall.dao.CartMapper.test'. It's likely that neither a Result Type nor a Result Map was specified. 原因:mybatis没有resultMap报错 在mapper文件的 select 标签中没有指定 res…

Cause: org.apache.ibatis.executor.ExecutorException: Error getting generated key or setting result to parameter object. Cause: java.sql.SQLException: 不支持的特性

mybatis插入数据时报错: Cause: org.apache.ibatis.executor.ExecutorException: Error getting generated key or setting result to parameter object. Cause: java.sql.SQLException: 不支持的特性 at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFacto…

SpringBoot报错：nested exception is org.apache.ibatis.executor.ExecutorException: No constructor found in com.tuyrk.test.User matching [java.lang.Long, java.lang.String, java.lang.String]

错误提示: Caused by: org.apache.ibatis.executor.ExecutorException: No constructor found in com.tuyrk._161_java_socket.project6.entity.User matching [java.lang.Long, java.lang.String, java.lang.String] 这里就有点坑了,明明提示的是没有三个参数的构造函数,然而我添加上三个参数的构造函数还是报错 解决方法: 添…

Mybatis报错Cause: org.apache.ibatis.executor.ExecutorException: Executor was closed.

SqlSession被关闭了,检查是否使用了被关闭的SqlSession.…

mybatis插入出现org.apache.ibatis.executor.ExecutorException: No setter found for the keyProperty 'xxx'异常的原因

确定有setter方法,问题其实是xml文件中,insert的主键的列名写错了,如下,一开始写成ComId <insert id="insertCom" parameterType="Comment" useGeneratedKeys="true" keyProperty="comId">…

org.apache.ibatis.executor.ExecutorException: No constructor found in xxxClass matching [java.lang.String, java.lang.Long, java.lang.String, java.lang.String, java.sql.Timestamp]

解决方案 为bean加上默认构造方法 public class User { private String username; private long id; private String sex; private String tel; private Date createData; //省略gettter and setter public User(String username, long id, String sex, String tel, Date createData) {…

Mybatis出现错误org.apache.ibatis.executor.ExecutorException: No constructor found in

错误显示没有发现构造器. 其实就是重写了构造器后,忘了补写一个默认的空参构造器了.此类的错误还经常出现在spring等这种大量使用反射的框架中.因为这些框架在调用反射的类后会默认调用默认的构造器 解决办法 给实体类添加空参构造器…

mybatis查询异常-Error querying database. Cause: java.lang.ClassCastException: org.apache.ibatis.executor.ExecutionPlaceholder cannot be cast to java.util.List

背景,mybatis查询的时候直接取的sqlsession,没有包装成SqlSessionTemplate,没有走spring提供的代理. 然后我写的获取sqlsession的代码没有考虑到并发的情况,导致sqlsession建的太多 并发大了之后,查询报错 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.lang.ClassCastException: org…

java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()Ljava/lang/Integer; at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.jav

在整合spring和mybatis在执行数据库操作的时候报出了: java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()L错误 java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()Ljava/lang/Inte…