Mybatis错误：Result Maps collection already contains value for ***
【转载】原文链接：https://blog.csdn.net/maoyuanming0806/article/details/77870345
使用mybatis时，服务器启动时出错
严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl': Unsatisfied dependency expressed through field 'userMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userMapper' defined in file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\org\jxnd\tongxuelu\dao\UserMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5118)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5634)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userMapper' defined in file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\org\jxnd\tongxuelu\dao\UserMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1357)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1249)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
... 28 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.su
pport.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1342)
... 39 more
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\study\apache-tomcat-7.0.73\webapps\tongxuelu\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:522)
at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:381)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
... 49 more
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92)
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:520)
... 52 more
Caused by: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.jxnd.tongxuelu.dao.UserMapper.BaseResultMap
at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:859)
at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:831)
at org.apache.ibatis.session.Configuration.addResultMap(Configuration.java:613)
at org.apache.ibatis.builder.MapperBuilderAssistant.addResultMap(MapperBuilderAssistant.java:214)
at org.apache.ibatis.builder.ResultMapResolver.resolve(ResultMapResolver.java:47)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElement(XMLMapperBuilder.java:285)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElement(XMLMapperBuilder.java:252)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElements(XMLMapperBuilder.java:244)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:116)
... 54 more
异常排查
根据错误信息定位usermapper.xml文件，最后发现，前400行和后400行代码一模一样，如：
解决方法
原因：xml文件中存在重名对象，保持名称不要一样即可正常启动。因为我再次使用逆向工程生成mapper接口和xml文件时，忘了删除原来的xml文件，新生成的与旧的同时出现旧重复了。
那么我们在平时新建id查询方法时，也可能存在重命名情况导致出现这样的错误，在这里谨记
解决：把重复命名的id删除，或者删除xml文件重新逆向工程
Mybatis错误：Result Maps collection already contains value for ***的更多相关文章
- MyBatis出错Result Maps collection does not contain value for java.lang.Integer
Servlet.service() for servlet [SpringMVC] in context with path [/eyou] threw exception [Request proc ...
- mybatis 异常Result Maps collection does not contain value for java.lang.String
Result Maps collection does not contain value for java.lang.String 以上是我报的错. 只要报Result Maps collectio ...
- MyBatis 中 Result Maps collection already contains value for xxx 错误原因
出现此类错误的原因是同一个DAO操作多个Mapper导致的,将Mapper配置文件的 ResultMap的ID修改成不相同即可解决
- myBatis抛出异常Result Maps collection already contains value ...
BaseResultMap 是自动生成的,非说已经包含了,NM! 删除tomcat下的 D:\apache-tomcat-7.0.52\webapps\chp-approve\WEB-INF\clas ...
- Mybatis异常_02_Result Maps collection already contains value for
一.异常 1.异常信息 2.异常原因 XXXMapper.xml文件中存在重名对象,保持名称不要一样即可正常启动. 我的原因是namespace与其他mapper 一样. 3.可能的原因 (1)nam ...
- mybatis(错误一) 项目启动时报“Result Maps collection already contains value forxxx”的解决方案
Result Maps collection already contains value for xyx.dsw.dao.mapper.admin.quotationwish.TempTestTab ...
- MyBatis错误：Result Maps collection already contains value for novel.storage.mapper.NovelMapper.BaseResultMap
今天在写项目的时候遇到一个问题如下: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ...
- mybatis Result Maps collection already contains value for com.ebways.dictionary.dao.impl.PtInfoDaoImpl.beanMap
java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.conte ...
- 使用mybatis报错【Result Maps collection already contains value for ...BaseResultMap】的解决方法
Result Maps collection already contains value for ...BaseResultMap ...... 这个问题,相信大家在使用mybatis的重新生成 d ...
随机推荐
- sip会话流程以及sip介绍（1）
参考连接 :https://www.2cto.com/kf/201609/546336.html https://www.w3cschool.cn/session_initiation_protoco ...
- 《DSP using MATLAB》Problem 7.36
代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output In ...
- sql 递归查询，查出所有子节点
with t as ( select b.* from Base_Department b where ParentId = 'cce4152c-3483-4334-b68d-155da627bca0 ...
- Windows API 第19篇 FindFirstVolumeMountPoint FindNextVolumeMountPoint
相关函数:HANDLE FindFirstVolumeMountPoint( ...
- 【心无旁骛】vuex-simple
这个算是一个小的demo嘛,先放上开源github地址:https://github.com/sascha245/vuex-simple 倒是可以先看下效果 呃呃,因为这个项目所在的目录与平时我们一般 ...
- 【2019云栖大会】这一场，我们好好聊聊5G和边缘计算
一年一度的科技盛会杭州云栖大会Apsara Conference就要来了9月25-27日数万名开发者将齐聚杭州云栖小镇共同探索人类科技演进的脉搏聚焦面向未来的创新.热点技术话题 5G和边缘计算是201 ...
- csp-s模拟测试52平均数，序列题解
题面:https://www.cnblogs.com/Juve/articles/11602244.html 平均数: 第k个平均数不好求,我们考虑二分,转化成平均数小于x的有几个 虑把序列中的每个数 ...
- c++继承知识点小结
继承的概念 继承是c++中一个重要的概念.继承是指,我们可以使用一个类来定义另一个类,在创建这个类时,我们就不需要重新编写数据成员与成员函数,这可以大大方便我们编写代码和维护代码的效率. 当我们使用一 ...
- hihocoder 1084 (哈希)
题目链接 时间限制:4000ms 单点时限:4000ms 内存限制:256MB 描述 你知道KMP吗?它是用于判断一个字符串是否是另一个字符串的子串的算法.今天我们想去扩展它. 在信息理论中,在两个相 ...
- HTMl中常用标签
文本标记语言,即HTML(Hypertext Markup Language),是用于描述网页文档的一种标记语言. HTML之所以称为超文本标记语言,是因为文本中包含了所谓“超级链接”点.所谓超级链接 ...