情景，在我们配置项目或者开发的过程中，可能由于项目工程量大或误操作等原因，造成Map映射文件的ID重复，造成项目启动报以下错误，
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory4' defined in ServletContext resource [/WEB-INF/spring/spring-mybatis_bhbank.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp3\wtpwebapps\InteLZ\WEB-INF\classes\META-INF\mybatis\oracle\bhbank\mapping\map55\QUR_BANK_ID.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:684) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) ~[spring-context-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) ~[spring-context-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) [spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE] at cn.com.yitong.ares.core.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:21) [ContextLoaderListener.class:na] at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4973) [catalina.jar:7.0.52] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467) [catalina.jar:7.0.52] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:7.0.52] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [catalina.jar:7.0.52] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [catalina.jar:7.0.52] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_152] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_152] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_152] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_152] Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp3\wtpwebapps\InteLZ\WEB-INF\classes\META-INF\mybatis\oracle\bhbank\mapping\map55\QUR_BANK_ID.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:412) ~[mybatis-spring-1.1.1.jar:1.1.1] at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:295) ~[mybatis-spring-1.1.1.jar:1.1.1] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549) ~[spring-beans-4.0.6.RELEASE.jar:4.0.6.RELEASE] ... 22 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92) ~[mybatis-3.2.7.jar:3.2.7] at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:410) ~[mybatis-spring-1.1.1.jar:1.1.1] ... 25 common frames omitted Caused by: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:782) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:754) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.session.Configuration.addMappedStatement(Configuration.java:578) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.MapperBuilderAssistant.addMappedStatement(MapperBuilderAssistant.java:288) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:107) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:135) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:128) ~[mybatis-3.2.7.jar:3.2.7] at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:118) ~[mybatis-3.2.7.jar:3.2.7] ... 27 common frames omitted 十月 26, 2018 2:42:47 下午 org.apache.catalina.core.StandardContext listenerStart 严重: Exception sending context initialized event to listener instance of class cn.com.yitong.ares.core.ContextLoaderListener org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory4' defined in ServletContext resource [/WEB-INF/spring/spring-mybatis_bhbank.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp3\wtpwebapps\InteLZ\WEB-INF\classes\META-INF\mybatis\oracle\bhbank\mapping\map55\QUR_BANK_ID.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:684) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) at cn.com.yitong.ares.core.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:21) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4973) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp3\wtpwebapps\InteLZ\WEB-INF\classes\META-INF\mybatis\oracle\bhbank\mapping\map55\QUR_BANK_ID.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for QUR_BANK_ID.queryList at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:412) at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:295) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549) ... 22 more Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMa pperBuilder.java:120) at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.jav a:92) at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessio nFactoryBean.java:410) ... 25 more Caused by: java.lang.IllegalArgumentException: Mapped Statement s collection a lready contains value for QUR_BANK_ID.queryList at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java: 782) at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java: 754) at org.apache.ibatis.session.Configuration.addMappedStatement(Configuration. java:578) at org.apache.ibatis.builder.MapperBuilderAssistant.addMappedStatement(Mappe rBuilderAssistant.java:288) at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLS tatementBuilder.java:107) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext( XMLMapperBuilder.java:135) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext( XMLMapperBuilder.java:128) at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMa pperBuilder.java:118) ... 27 more 十月 26, 2018 2:42:47 下午 org.apache.catalina.core.StandardConte xt startIntern
这时，我们只要找到跑错的xml，看他们的ID是否不一样，修改就好，如果xml文件重复，删除重复的文件。