tomcat5.5集成s2sh项目启动时报StrutsPrepareAndExecuteFilter找不到错误！

Question

tomcat5.5集成s2sh项目启动时报StrutsPrepareAndExecuteFilter找不到错误！
2011-1-10 14:51:41 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:211)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:308)
at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:79)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3540)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4110)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:589)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:536)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:471)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1102)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
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:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)

我的JAR包：
[img]http://dl.iteye.com/upload/attachment/386431/b7bcbfa1-045a-36ca-afff-088ab814f466.jpg[/img]
[img]http://dl.iteye.com/upload/attachment/386433/57dbf905-70b4-33e3-8e5f-11fe6b5b2ccb.jpg[/img]
我的WEB.XML配置：

[img]http://dl.iteye.com/upload/attachment/386458/b2b2989e-fd63-3241-9be5-4c3f3437654f.png[/img]

用的JDK是1.6的。IDE用的INTELLIJ IDEA10.0 怎么解决。

Answer 1

1.你的struts2的jar太老了?
2.jar根本没有部署到java 的classpath下?