[SPRING] java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListene

Front-end
#1 

Aug 08, 2012 2:33:59 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
Aug 08, 2012 2:36:29 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1678)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1523)
	at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:525)
	at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:507)
	at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:126)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4660)
	at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226)
	at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)

Aug 08, 2012 2:36:29 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)

Vejam só pessoal erro que da quando tendo rodar uma hello world do meu spring security

estou seguindo este passo a passo
http://www.edsongoncalves.com.br/2010/04/25/seguranca-passo-a-passo-com-spring-security-3-0/

o que fiz de errado importei todas libs e estou usando o netbeans7 no TOMCAT 7

vlw

#2

baixei 5 milhoes de jar e coloquei na pasta e o erro foi para isso

Aug 08, 2012 2:57:18 AM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.springframework.web.context.ContextLoaderListener
java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext
	at org.springframework.context.support.AbstractRefreshableApplicationContext.getBeanFactory(AbstractRefreshableApplicationContext.java:172)
	at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1071)
	at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1045)
	at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:993)
	at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:548)
	at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:142)
	at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4763)
	at org.apache.catalina.core.StandardContext$4.run(StandardContext.java:5473)
	at java.lang.Thread.run(Thread.java:722)
#3