先贴代码：
Exception starting filter struts2
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException - Class: com.opensymphony.xwork2.inject.ContainerBuilder$4
File: ContainerBuilder.java
Method: create
Line: 132 - com/opensymphony/xwork2/inject/ContainerBuilder.java:132:-1
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:493)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:193)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1173)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1271)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:296)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:132)
at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:514)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:524)
at com.opensymphony.xwork2.inject.ContainerImpl$9.call(ContainerImpl.java:555)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:584)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:553)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:257)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:435)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:479)
... 15 more
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:502)
at com.opensymphony.xwork2.inject.ContainerImpl$7.call(ContainerImpl.java:539)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:593)
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:537)
at com.opensymphony.xwork2.config.impl.LocatableFactory.create(LocatableFactory.java:32)
at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:130)
... 26 more
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.construct(ContainerImpl.java:447)
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:499)
... 31 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.construct(ContainerImpl.java:426)
... 32 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
at org.apache.struts2.spring.StrutsSpringObjectFactory.<init>(StrutsSpringObjectFactory.java:104)
... 37 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
... 38 more
三月 25, 2015 9:39:04 上午 org.apache.catalina.core.StandardContext start
严重: Error filterStart
三月 25, 2015 9:39:04 上午 org.apache.catalina.core.StandardContext start
严重: Context [/MyTest] startup failed due to previous errors
三月 25, 2015 9:39:04 上午 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
求解这个是什么问题啊，怎么解决
------解决思路----------------------
web.xml 里面你没有配置Invocation
------解决思路----------------------
java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils
你的org.apache.commons.lang这个jar包里 没有StringUtils这个类。换个jar包试试
------解决思路----------------------
相关jar包引入不够，根据提示缺啥加啥，不是替换
这次是缺少commons-lang3