struts2 struts.xml提示找不到class ,怎么辦?。∵@是struts.xml<?xml?version="1.0"?encoding="UTF-8"?> <!DOCTYPE?struts?PUBLIC?"-//Apache?Software?Foundation//DTD?Struts?Configuration?2.3//EN"?"http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <package?name="default"?namespace="/"?extends="struts-default"> <action?name="hello"?class="com.imooc.test.Action.HelloAction"?> <result>/index.jsp</result> </action> </package> </struts>這是Actionpackage?com.imooc.test.Action; import?com.opensymphony.xwork2.ActionSupport; public?class?HelloAction?extends?ActionSupport{ @Override public?String?execute()?throws?Exception?{ System.out.println("Hello"); return?SUCCESS; } }這是報(bào)錯信息Unable?to?load?configuration.?-?action?-?file:/F:/apache-tomcat-7.0.67/webapps/Demo/WEB-INF/classes/struts.xml:5:67 at?com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70) 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) at?org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) at?org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57) at?org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279) at?org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260) at?org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105) at?org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4917) at?org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5609) at?org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at?org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574) at?org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564) at?java.util.concurrent.FutureTask.run(FutureTask.java:266) at?java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at?java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at?java.lang.Thread.run(Thread.java:745) Caused?by:?Action?class?[com.imooc.test.Action.HelloAction]?not?found?-?action?-?file:/F:/apache-tomcat-7.0.67/webapps/Demo/WEB-INF/classes/struts.xml:5:67 at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyAction(XmlConfigurationProvider.java:486) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:429) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:556) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:295) at?org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112) at?com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:264) at?com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67) ...?17?more 二月?14,?2016?10:54:42?上午?org.apache.catalina.core.StandardContext?filterStart 嚴(yán)重:?Exception?starting?filter?struts Unable?to?load?configuration.?-?action?-?file:/F:/apache-tomcat-7.0.67/webapps/Demo/WEB-INF/classes/struts.xml:5:67 at?org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:493) at?org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) at?org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57) at?org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279) at?org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260) at?org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105) at?org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4917) at?org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5609) at?org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at?org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574) at?org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564) at?java.util.concurrent.FutureTask.run(FutureTask.java:266) at?java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at?java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at?java.lang.Thread.run(Thread.java:745) Caused?by:?Unable?to?load?configuration.?-?action?-?file:/F:/apache-tomcat-7.0.67/webapps/Demo/WEB-INF/classes/struts.xml:5:67 at?com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70) 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) ...?14?more Caused?by:?Action?class?[com.imooc.test.Action.HelloAction]?not?found?-?action?-?file:/F:/apache-tomcat-7.0.67/webapps/Demo/WEB-INF/classes/struts.xml:5:67 at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyAction(XmlConfigurationProvider.java:486) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:429) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:556) at?com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:295) at?org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112) at?com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:264) at?com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67) ...?17?more