引起：java.lang.NoClassDefFoundError：当tomcat / lib下存在类时？
我有两场战争都使用一个特定的jar（ ehcache-core.jar ）。 我把jar放在\lib 。 但是当我启动服务器时，我的应用程序会抛出错误，其中class存在于ehcache-core.jar
Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.interceptor.CacheInterceptor#0': Cannot resolve reference to bean 'cacheManager' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheManager' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Cannot resolve reference to bean 'ehcache' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ehcache' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class net.sf.ehcache.CacheManager Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.beans.factory.config.MethodInvokingFactoryBean#1' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/enrollment-1.5.jar!/META-INF/spring/enrollment-beans.xml]: Cannot resolve reference to bean 'applicationService1' while setting bean property 'arguments' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'applicationService1': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.tesing.plan.service.PlanService com.tesing.enrollment.service.ApplicationServiceImpl.planService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'planService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.tesing.plan.orm.dao.PlanPremiumRateLookupDAO com.tesing.plan.service.PlanServiceImpl.planPremiumRateLookupDAO; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'planPremiumRateLookupDAO' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/plan-management-1.5.jar!/META-INF/spring/plan-management-service.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.interceptor.CacheInterceptor#0': Cannot resolve reference to bean 'cacheManager' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheManager' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Cannot resolve reference to bean 'ehcache' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ehcache' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class net.sf.ehcache.CacheManager at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:287) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1106) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:745) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:454) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:383) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675) at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:601) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) at org.apache.catalina.core.StandardService.start(StandardService.java:525) at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) at org.apache.catalina.startup.Catalina.start(Catalina.java:595) 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:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.tesing.utils.picklistprovider.PickListProvider com.tesing.utils.web.action.BaseController.pickListProvider; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'queryBasedPickListProvider' defined in file [F:\codeBase_all\codeBase_Custom\applications\customer-portal\target\customer-webapp-public-1.0-Snapshot\WEB-INF\classes\META-INF\spring\picklist-service.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.interceptor.CacheInterceptor#0': Cannot resolve reference to bean 'cacheManager' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheManager' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Cannot resolve reference to bean 'ehcache' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ehcache' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class net.sf.ehcache.CacheManager at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:506) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:284) ... 36 more Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'queryBasedPickListProvider' defined in file [F:\codeBase_all\codeBase_Custom\applications\customer-portal\target\customer-webapp-public-1.0-Snapshot\WEB-INF\classes\META-INF\spring\picklist-service.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.interceptor.CacheInterceptor#0': Cannot resolve reference to bean 'cacheManager' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheManager' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Cannot resolve reference to bean 'ehcache' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ehcache' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class net.sf.ehcache.CacheManager at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:876) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:818) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:735) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:478) ... 38 more Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.interceptor.CacheInterceptor#0': Cannot resolve reference to bean 'cacheManager' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheManager' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Cannot resolve reference to bean 'ehcache' while setting bean property 'cacheManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ehcache' defined in URL [jar:file:/F:/codeBase_all/codeBase_Custom/applications/customer-portal/target/customer-webapp-public-1.0-Snapshot/WEB-INF/lib/co-common-1.0-Snapshot.jar!/META-INF/cgi-spring/utils/util-services-bean.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class net.sf.ehcache.CacheManager at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1360) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1118) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.aop.support.AbstractBeanFactoryPointcutAdvisor.getAdvice(AbstractBeanFactoryPointcutAdvisor.java:85) at org.springframework.aop.aspectj.AspectJProxyUtils.isAspectJAdvice(AspectJProxyUtils.java:67) at org.springframework.aop.aspectj.AspectJProxyUtils.makeAdvisorChainAspectJCapableIfNecessary(AspectJProxyUtils.java:49) at org.springframework.aop.aspectj.autoproxy.AspectJAwareAdvisorAutoProxyCreator.extendAdvisors(AspectJAwareAdvisorAutoProxyCreator.java:101) at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:88) at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:68) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:359) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1461) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) ... 47 more
错误消息说：
无法初始化类net.sf.ehcache.CacheManager
在日志文件中进一步检查，并且应该有一个堆栈跟踪，用于在CacheManager或其某个依赖类的初始化期间抛出的某些exception。 修复该exception的原因，此问题也将得到解决。