Spring mvc 404问题
写了一个最简单的spring mvc项目，结果访问Controller指定的路径报404错误。后来看到tomcat启动时的控制台信息中有错误，错误信息如下
信息: Loading XML bean definitions from ServletContext resource [/WEB-INF/mvc-dispatcher-servlet.xml]2012-6-2 19:20:26 org.springframework.web.context.ContextLoader initWebApplicationContext严重: Context initialization failedjava.lang.NoClassDefFoundError: org/springframework/expression/PropertyAccessorat org.springframework.context.support.AbstractApplicationContext.prepareBeanFactory(AbstractApplicationContext.java:538)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:439)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:4205)at org.apache.catalina.core.StandardContext.start(StandardContext.java:4704)at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)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(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:289)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)Caused by: java.lang.ClassNotFoundException: org.springframework.expression.PropertyAccessorat ....
