Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.BaseResultMap

Posted 2020-09-30 葛卫军

八月 01, 2017 2:48:13 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property \'source\' to \'org.eclipse.jst.jee.server:ssm\' did not find a matching property.
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version:        Apache Tomcat/9.0.0.M21
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built:          May 4 2017 22:42:36 UTC
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number:         9.0.0.0
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name:               Windows 7
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version:            6.1
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture:          amd64
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home:             C:\\java\\jre1.8.0_131
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version:           1.8.0_131-b11
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor:            Oracle Corporation
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE:         C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME:         C:\\java\\apache-tomcat-9.0.0.M21
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=C:\\java\\apache-tomcat-9.0.0.M21
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=C:\\java\\apache-tomcat-9.0.0.M21\\endorsed
八月 01, 2017 2:48:13 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=UTF-8
八月 01, 2017 2:48:13 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: Loaded APR based Apache Tomcat Native library [1.2.12] using APR version [1.5.2].
八月 01, 2017 2:48:13 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
八月 01, 2017 2:48:13 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
八月 01, 2017 2:48:13 下午 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized [OpenSSL 1.0.2k  26 Jan 2017]
八月 01, 2017 2:48:14 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-nio-8080"]
八月 01, 2017 2:48:14 下午 org.apache.tomcat.util.net.NioselectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
八月 01, 2017 2:48:14 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-nio-8009"]
八月 01, 2017 2:48:14 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
八月 01, 2017 2:48:14 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1601 ms
八月 01, 2017 2:48:14 下午 org.apache.catalina.core.StandardService startInternal
信息: Starting service [Catalina]
八月 01, 2017 2:48:14 下午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/9.0.0.M21
八月 01, 2017 2:48:14 下午 org.apache.jasper.servlet.TldScanner scanJars
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
八月 01, 2017 2:48:18 下午 org.apache.jasper.servlet.TldScanner scanJars
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
八月 01, 2017 2:48:18 下午 org.apache.catalina.core.ApplicationContext log
信息: No Spring WebApplicationInitializer types detected on classpath
八月 01, 2017 2:48:18 下午 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring root WebApplicationContext
SLF4J: No SLF4J providers were found.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#noProviders for further details.
2017-08-01 14:48:20,354 WARN [org.springframework.web.context.support.XmlWebApplicationContext] - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentService\': Unsatisfied dependency expressed through field \'departmentMapper\'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentMapper\' defined in file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\org\\gwj\\ssm\\dao\\DepartmentMapper.class]: Unsatisfied dependency expressed through bean property \'sqlSessionFactory\'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.BaseResultMap
2017-08-01 14:48:20,358 ERROR [org.springframework.web.context.ContextLoader] - Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentService\': Unsatisfied dependency expressed through field \'departmentMapper\'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentMapper\' defined in file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\org\\gwj\\ssm\\dao\\DepartmentMapper.class]: Unsatisfied dependency expressed through bean property \'sqlSessionFactory\'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4735)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5197)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1439)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1439)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:793)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:656)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:355)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:495)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentMapper\' defined in file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\org\\gwj\\ssm\\dao\\DepartmentMapper.class]: Unsatisfied dependency expressed through bean property \'sqlSessionFactory\'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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)
	... 45 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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.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.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1342)
	... 56 more
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: \'file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.BaseResultMap
	at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:523)
	at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:380)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
	... 66 more
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.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:521)
	... 69 more
Caused by: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.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)
	... 71 more
八月 01, 2017 2:48:20 下午 org.apache.catalina.core.StandardContext listenerStart
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 \'departmentService\': Unsatisfied dependency expressed through field \'departmentMapper\'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentMapper\' defined in file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\org\\gwj\\ssm\\dao\\DepartmentMapper.class]: Unsatisfied dependency expressed through bean property \'sqlSessionFactory\'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4735)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5197)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1439)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1439)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:793)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:656)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:355)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:495)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name \'departmentMapper\' defined in file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\org\\gwj\\ssm\\dao\\DepartmentMapper.class]: Unsatisfied dependency expressed through bean property \'sqlSessionFactory\'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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)
	... 45 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name \'sqlSessionFactory\' 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 [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.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.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.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1342)
	... 56 more
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: \'file [C:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\ssm\\WEB-INF\\classes\\mapper\\CompanyMapper.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.gwj.ssm.dao.CompanyMapper.BaseResultMap
	at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:523)
	at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:380)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
	... 66 more
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.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:521)
	... 69 more
Caused by: java.lang.IllegalArgumentException: Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.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)
	... 71 more

八月 01, 2017 2:48:20 下午 org.apache.catalina.core.StandardContext startInternal
严重: One or more listeners failed to start. Full details will be found in the appropriate container log file
八月 01, 2017 2:48:20 下午 org.apache.catalina.core.StandardContext startInternal
严重: Context [/ssm] startup failed due to previous errors
八月 01, 2017 2:48:20 下午 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
八月 01, 2017 2:48:20 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-nio-8080"]
八月 01, 2017 2:48:20 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-nio-8009"]
八月 01, 2017 2:48:20 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 6182 ms

　　如图，出现下面错误代码！

记住一定不要从上面开始找错误，先从出错提示信息的下面去找：

提示的大概意思是：Result Maps collection already contains value for org.gwj.ssm.dao.CompanyMapper.BaseResultMap

Result Maps中已经包含了一个BaseResultMap，产生的原因是因为使用Mybatis generator逆向工程在生成代码的时候，如果原先的Company.xml文件没有删除，生成的文件不会覆盖，而是追加在该文件中，所以出现重复。

解决方法：删掉重复部分即可。