spring的版本是2.0.hibernate的版本是3.2.struts的版本是1.4
spring所依赖的包,有时候会与其它框架所依赖的包造成冲突,引起系统一些摸不清楚的问题
最近就遇到了两个这方面的问题,费了好大的劲才解决.
1,spring与hibernate的冲突.两个框架都依赖asm.jar包spring的版本是asm-2.23.jar.hibernate依赖的是asm.jar
需要将asm-2.2.3.jar删除.没有删除的话会引起这样的异常
"org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/classes/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.ExceptionInInitializerError
     Caused by:
     java.lang.ExceptionInInitializerError
     at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:117)
     at org.hibernate.proxy.pojo.cglib.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:43)
     at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:162)
     at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:135)
     at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:55)
     at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:56)
     at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:295)
     at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:434)
     at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:109)
     at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
     at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:226)
     at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
     at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:805)
     at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:745)
     at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:134)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1202)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1172)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:428)
     at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:251)
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:156)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:248)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:160)
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:284)
     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
     at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:244)
     at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:187)
     at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:49)
     at com.wukol.listener.StartupListener.contextInitialized(StartupListener.java:27)
     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830)
     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
     at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
     at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
     at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
     at org.apache.catalina.core.StandardService.start(StandardService.java:516)
     at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
     at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
     Caused by: java.lang.SecurityException: class "org.objectweb.asm.CodeVisitor"'s signer information does not match signer information of other classes in the same package
     at java.lang.ClassLoader.checkCerts(ClassLoader.java:775)
     at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:614)
     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
     at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1817)
     at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
     at net.sf.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:165)
     at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
     at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
     at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
     at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
     at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
     at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
     at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
     ... 52 more "
2,hibernate与struts的冲突,两个框架都依赖common-collections.jar.hibernate的是common-collections-2.1.1.jar,struts的是common-collections.jar.需要将hibernate所依赖的common-collections-2.1.1.jar删除.没有删除的话会引起这个异常
java.lang.SecurityException: class "org.apache.commons.collections.ArrayStack"'s signer information does not match signer information of other classes in the same package
     at java.lang.ClassLoader.checkCerts(ClassLoader.java:775)
     at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:614)
     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
     at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1817)
     at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
     at org.apache.commons.digester.Digester.<init>(Digester.java:142)
     at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1751)
     at org.apache.struts.action.ActionServlet.init(ActionServlet.java:349)
     at javax.servlet.GenericServlet.init(GenericServlet.java:212)
     at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
     at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
     at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4045)
     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4351)
     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
     at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
     at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
     at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
     at org.apache.catalina.core.StandardService.start(StandardService.java:516)
     at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
     at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) "
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