java.lang.ClassNotFoundException: org.springframework.hibernate3.LocalSessionFac

构建struts2+hibernate3+spring2工程后，tomcat部署时报错。搞一晚上没搞定。
求大侠指导啊。
2012-8-27 23:19:21 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.22.
2012-8-27 23:19:21 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [false], sendfile [true], accept filters [false], random [true].
2012-8-27 23:19:22 org.apache.coyote.http11.Http11AprProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2012-8-27 23:19:22 org.apache.coyote.ajp.AjpAprProtocol init
信息: Initializing Coyote AJP/1.3 on ajp-8009
2012-8-27 23:19:22 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 2189 ms
2012-8-27 23:19:22 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2012-8-27 23:19:22 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.35
2012-8-27 23:19:22 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor host-manager.xml
2012-8-27 23:19:23 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor manager.xml
2012-8-27 23:19:23 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory ROOT
2012-8-27 23:19:23 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory docs
2012-8-27 23:19:23 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory examples
2012-8-27 23:19:25 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2012-8-27 23:19:25 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2012-8-27 23:19:25 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory StudentInfoM
2012-8-27 23:19:27 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring root WebApplicationContext
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
2012-8-27 23:19:31 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.CannotLoadBeanClassException: Cannot find class [org.springframework.hibernate3.LocalSessionFactoryBean] for bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is java.lang.ClassNotFoundException: org.springframework.hibernate3.LocalSessionFactoryBean
Caused by: java.lang.ClassNotFoundException: org.springframework.hibernate3.LocalSessionFactoryBean
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:201)
at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:327)
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1066)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:282)
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 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.deployDirectory(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
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)
2012-8-27 23:19:31 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2012-8-27 23:19:31 org.apache.catalina.core.StandardContext start
严重: Context [/StudentInfoM] startup failed due to previous errors
2012-8-27 23:19:31 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2012-8-27 23:19:32 org.apache.coyote.http11.Http11AprProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2012-8-27 23:19:32 org.apache.coyote.ajp.AjpAprProtocol start
信息: Starting Coyote AJP/1.3 on ajp-8009
2012-8-27 23:19:32 org.apache.catalina.startup.Catalina start
信息: Server startup in 9630 ms