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…

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…

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…

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

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">…

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) {…

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…

WHERE 的条件取值时添加上jdbcType=NUMBER这样的配置 参考[1]:https://blog.csdn.net/fyhjuyol/article/details/45483167…

我今天遇到一个我不解的问题,是mybatis多对一关系查询出问题了,但是我自己还是解决了,在网上也查过那个错误,可是找不到我想要的.不知道你们遇到过没有,我接下来分享给大家.希望我这个第一篇博客能帮助到大家! 我定义的两个表information(航班信息表),company(航空公司表). CREATE TABLE `aviation`.`information` ( `id` VARCHAR(45) NOT NULL COMMENT '航班编号', `cid` INT NOT NULL CO…

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…

这个是sql 语句 错误     仔细检查 SQL语句是否写错了 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds…

数据库 没有开启  连接失败 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseco…

<select id="getUserIn" parameterType="QueryVo" resultMap="userMap"> SELECT <!-- 引用sql片段 --> <include refid="user_sql" /> FROM USER <where> <!-- 遍历pojo传入的集合 collection="in"  要遍历po…

org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class com.cyf.pojo.User with invalid types () or values (). Cause: java.lang.NoSuchMethodExce…

异常详细 org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error resolving JdbcType. Cause: java.lang.IllegalArgumentException: No enum constant org.apache.ibatis.type.JdbcType.varchar at org.mybat…

一个常见的myBatis xml文件中的引号错误: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database.  Cause: java.lang.NumberFormatException: For input string: "W%"### Cause: java.lang.NumberFormatException: For input string: "W%"…

mybatis解析xml配置文件出现异常: org.apache.ibatis.exceptions.PersistenceException: Error building SqlSession. Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 30; columnNumbe…

15:36:34,549 WARN DefaultListableBeanFactory:1416 - Bean creation exception on FactoryBean type check: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'itemsMapper' defined in file [F:\apache-tomcat-7.0.77\webap…

异常如下:org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'requestMap.maintenancename != null and requestMap.maintenancename != '''. Cause: org.apache.ibatis.ognl.OgnlE…

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…

The error may exist in com/bjpowernode/dao/StudentDao.xml### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xm…

当我用Springboot和mybatis进行延迟加载时候报出如下的错误: org.apache.ibatis.executor.loader.javassist.JavassistProxyFactory$EnhancedResultObjectProxyImpl and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPT…

错误: Could not find method on interface org.apache.ibatis.executor.statement.StatementHandler named prepare. Cause: java.lang.NoSuchMethodException: org.apache.ibatis.executor.statement.StatementHandler.prepare(java.sql.Connection)] with root cause 问题…

org.apache.ibatis.exceptions.PersistenceException:  ### Error building SqlSession. ### The error may exist in cn/itcast/mybatis/mapper/OrdersMapperCustom.xml ### The error occurred while processing mapper_resultMap[OrdersUserResultMap]_association[us…

今天在用junit测试mybits程序是遇到一个问题,报错为: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database.  Cause: java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. You must c…

这是一个由粗心导致的错误,具体报错如下: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.### The error may exist in SQL Mapper Configuration### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Ca…

在做多表映射查询时,在同一个resultMap中写了1:1映射和1:n映射,结果测试时报错如下: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.### The error may exist in com/dao/OrdersMapper.java (best guess)### The error occurred while processing mapper_resultMa…

关于在学习Mybatis框架时运行报错 Caused by: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in dao/UserMapper.xml ### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configurati…

报错 <?xml version="1.0" encoding="UTF-8"?>  必须是XML文件的第一个元素且前面不能空格. ### Error building SqlSession.### Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNu…

转自:http://blog.sina.com.cn/s/blog_1549fb0710102whz2.html spring+ibatis程序测试时报错:java.sql.SQLException: Io 异常: Connection reset by peer, socket write error; sql-map-config.xml配置: <transactionManager type="JDBC" > <dataSource type="DBC…