问题分析：遇到该问题一般是struts中某个配置文件没有正确配置，比如：

1.class中的TestAction没有成功加载：

          
          
             
                    
       
        success.jsp
                          
            
     

2.将name误写为type如：

     
     
      /error.jsp
     
     
     
      /error.jsp
     

 

出错代码：

严重: Exception starting filter struts2Unable to load configuration. - action - file:/E:/Workspaces/MyEclipse 2014/struts2/apache-tomcat-7.0.5/webapps/Struts2_2000_StrutsTags/WEB-INF/classes/struts.xml:14:71    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)    at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)    at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69)    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:48)    at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:273)    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:254)    at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:372)    at org.apache.catalina.core.ApplicationFilterConfig.
     
      (ApplicationFilterConfig.java:98)    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4405)    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5037)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:812)    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:787)    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:570)    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1010)    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:933)    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:468)    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1267)    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:308)    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)    at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:328)    at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:308)    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1043)    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:738)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1035)    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:289)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:442)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:674)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)    at org.apache.catalina.startup.Catalina.start(Catalina.java:596)    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:303)    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)Caused by: Error building results for action tags in namespace  - action - file:/E:/Workspaces/MyEclipse9/struts2/apache-tomcat-7.0.5/webapps/Struts2_2000_StrutsTags/WEB-INF/classes/struts.xml:14:71    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:366)    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:460)    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:265)    at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:189)    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)    ... 40 moreCaused by: There is no result type defined for type 'tag' mapped with name 'success'.  Did you mean 'tag'? - result - file:/E:/Workspaces/MyEclipse9/struts2/apache-tomcat-7.0.5/webapps/Struts2_2000_StrutsTags/WEB-INF/classes/struts.xml:15:32    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildResults(XmlConfigurationProvider.java:613)    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:364)    ... 45 more2011-10-24 11:36:09 org.apache.catalina.core.StandardContext startInternal严重: Error filterStart