Caused by: org.apache.ibatis.reflection.ReflectionException我碰到的情况,原因不唯一
映射文件:
<select id="selectKeyByUserId" resultMap="Xxx">
<![CDATA[
SELECT * FROM 表名1
where 1=1
<if test="userId!=0">
and ID=#{userId,jdbcType=NUMERIC})
</if>
</select>
dao层
public List<Xxx> selectKeyByUserId(long userId);
Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'userId' in 'class java.lang.Long'
at org.apache.ibatis.reflection.Reflector.getGetInvoker(Reflector.java:380)
at org.apache.ibatis.reflection.MetaClass.getGetInvoker(MetaClass.java:170)
at org.apache.ibatis.reflection.wrapper.BeanWrapper.getBeanProperty(BeanWrapper.java:152)
at org.apache.ibatis.reflection.wrapper.BeanWrapper.get(BeanWrapper.java:48)
at org.apache.ibatis.reflection.MetaObject.getValue(MetaObject.java:116)
at org.apache.ibatis.scripting.xmltags.DynamicContext$ContextMap.get(DynamicContext.java:97)
at org.apache.ibatis.scripting.xmltags.DynamicContext$ContextAccessor.getProperty(DynamicContext.java:116)
at org.apache.ibatis.ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1657)
at org.apache.ibatis.ognl.ASTProperty.getValueBody(ASTProperty.java:92)
at org.apache.ibatis.ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
at org.apache.ibatis.ognl.SimpleNode.getValue(SimpleNode.java:210)
at org.apache.ibatis.ognl.ASTNotEq.getValueBody(ASTNotEq.java:49)
at org.apache.ibatis.ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
at org.apache.ibatis.ognl.SimpleNode.getValue(SimpleNode.java:210)
at org.apache.ibatis.ognl.Ognl.getValue(Ognl.java:333)
at org.apache.ibatis.ognl.Ognl.getValue(Ognl.java:413)
at org.apache.ibatis.ognl.Ognl.getValue(Ognl.java:395)
at org.apache.ibatis.scripting.xmltags.OgnlCache.getValue(OgnlCache.java:48)
at org.apache.ibatis.scripting.xmltags.ExpressionEvaluator.evaluateBoolean(ExpressionEvaluator.java:32)
at org.apache.ibatis.scripting.xmltags.IfSqlNode.apply(IfSqlNode.java:33)
at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:32)
at org.apache.ibatis.scripting.xmltags.DynamicSqlSource.getBoundSql(DynamicSqlSource.java:40)
at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:278)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:75)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)
... 89 more
出现原因
这里出现的问题是在DAO方法中定义的参数 与 实体中定义的属性不一致 导致的。
解决方案:
dao层加@Param("userId")注解即可
public List<DictItem> selectKeyByUserId(@Param("userId") long userId);
Caused by: org.apache.ibatis.reflection.ReflectionException我碰到的情况,原因不唯一的更多相关文章
- Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'zoneId' in 'class java.lang.String'
本文为博主原创,未经允许不得而转载: 异常展示: dao层定义的接口为: public int getClientTotal(); 在mybatis中的sql为: <select id=&quo ...
- Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'company' in 'class java.lang.String'
Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named ' ...
- mybatis Caused by: org.apache.ibatis.reflection.ReflectionException: Error instantiating class .. with invalid types () or values (). Cause: java.lang.NoSuchMethodException: ...<init>()
如果有带参数的构造器,编译器不会自动生成无参构造器.当查询需要返回对象时,ORM框架用反射来调用对象的无参构造函数,所以会导致此类异常 public Test(){ }
- org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'parentId' in 'class java.lang.String'
Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named ' ...
- 【Mybatis】mybatis查询报错org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'areaName' in 'class java.lang.String'
mybatis查询报错: Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for pro ...
- Cause: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'empid' in 'class cn.happy.entity.Emp'
org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.i ...
- Mybatis出错: Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class com.cyf.pojo.User with invalid types () or values ()
org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ib ...
- Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'ItemsCustom' in 'class com.pojo.OrderDetailCustom
再用 junit 测试MyBatis时发现的错误: org.apache.ibatis.exceptions.PersistenceException: ### Error querying data ...
- org.apache.ibatis.reflection.ReflectionException
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.reflection.Reflecti ...
随机推荐
- 590. N叉树的后序遍历
给定一个 N 叉树,返回其节点值的后序遍历. 例如,给定一个 3叉树 : 返回其后序遍历: [5,6,3,2,4,1]. 说明: 递归法很简单,你可以使用迭代法完成此题吗? /* // Definit ...
- scrapy抓取拉勾网职位信息(一)——scrapy初识及lagou爬虫项目建立
本次以scrapy抓取拉勾网职位信息作为scrapy学习的一个实战演练 python版本:3.7.1 框架:scrapy(pip直接安装可能会报错,如果是vc++环境不满足,建议直接安装一个visua ...
- 2. 创建一个简单的Maven项目
☞ 创建项目 选定一个目录,如E:\workspace\maven,新建的项目将放在这个目录. 运行CMD,切换到该目录. 执行mvn archetype:generate直到输出"Choo ...
- 【树形dp】Distance in Tree
[CF161.D] Distance in Tree time limit per test 3 seconds memory limit per test 512 megabytes A tree ...
- 【最大流/费用流】BZOJ1834-[ZJOI2010]network 网络扩容
[题目大意] 给定一张有向图,每条边都有一个容量C和一个扩容费用W.这里扩容费用是指将容量扩大1所需的费用.求: 1. 在不扩容的情况下,1到N的最大流: 2. 将1到N的最大流增加K所需的最小扩容费 ...
- bzoj 1734: [Usaco2005 feb]Aggressive cows 愤怒的牛
1734: [Usaco2005 feb]Aggressive cows 愤怒的牛 Description Farmer John has built a new long barn, with N ...
- bzoj 2073: [POI2004]PRZ
2073: [POI2004]PRZ Description 一只队伍在爬山时碰到了雪崩,他们在逃跑时遇到了一座桥,他们要尽快的过桥. 桥已经很旧了, 所以它不能承受太重的东西. 任何时候队伍在桥上的 ...
- Problem F: 零起点学算法42——多组测试数据输出II
#include<stdio.h> int main() { ; while(scanf("%d%d%d",&a,&b,&c)!=EOF) { ...
- Train Problem I(模拟栈)
题意:模拟栈,试问使用2个栈,能否使得串1变为串2 思路:模拟,经典问题,注意只要相同的元素放到栈顶后就不会再移动了,只需要考虑剩下的元素,因此每次只考虑一个元素的进入方式. #include< ...
- Educational Codeforces Round 9 C. The Smallest String Concatenation 排序
C. The Smallest String Concatenation 题目连接: http://www.codeforces.com/contest/632/problem/C Descripti ...