2013-4-28 13:17:57 org.apache.catalina.core.StandardContext filterStart

严重: Exception starting filter struts2

java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils

	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:211)

	at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)

	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:226)

	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)

	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:429)

	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:473)

	at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)

	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)

	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)

	at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)

	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)

	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072)

	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)

	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(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: 
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