【请教】SSH框架报错，错误提示如下：
框架都是刚学没几天，想做一个项目边做边学，框架搭好了，本来都是正常的，没报错，后来建了一个注册页面，修改了下后台的代码，就报错了，一大堆的错误提示，都不知道什么意思，求大神指导。

四月 17, 2013 3:46:31 下午 org.apache.catalina.core.StandardContext listenerStart

SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.InvalidMappingException: Unable to read XML

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1455)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)

	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.preInstantiateSingletons(DefaultListableBeanFactory.java:567)

	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)

	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:385)

	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:284)

	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)

	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)

	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)

	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)

	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)

	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)

	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1114)

	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1673)

	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)

	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

	at java.util.concurrent.FutureTask.run(Unknown Source)

	at java.util.concurrent.ThreadPoolEx