我用S2SH整合一个注册的程序，但一启动tomcat就出现异常，这是为什么呢，查了很多资料，都说是缺少包啊，或者是struts2.xml配置问题啊，但我都试过了还是一样，所以还要请教大家。
下面是我已启动tomcat的时候报的异常
- Java code
16:06:50,130 ERROR Dispatcher:38 - Dispatcher initialization failedUnable to load configuration. - action - file:/C:/Program%20Files/ApacheSoftwareFoundation/Tomcat7.0/webapps/testWeb/WEB-INF/classes/struts.xml:32:42 at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:69) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:380) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51) 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.<init>(ApplicationFilterConfig.java:98) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4461) at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5133) at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5128) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:717)Caused by: Action class [Regist] not found - action - file:/C:/Program%20Files/ApacheSoftwareFoundation/Tomcat7.0/webapps/testWeb/WEB-INF/classes/struts.xml:32:42 at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyAction(XmlConfigurationProvider.java:420) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:365) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:479) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:275) at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:204) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66) ... 16 more2011-10-5 16:06:50 org.apache.catalina.core.StandardContext filterStart严重: Exception starting filter struts2Unable to load configuration. - action - file:/C:/Program%20Files/ApacheSoftwareFoundation/Tomcat7.0/webapps/testWeb/WEB-INF/classes/struts.xml:32:42 at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51) 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.<init>(ApplicationFilterConfig.java:98) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4461) at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5133) at org.apache.catalina.core.StandardContext$2.call(StandardContext.java:5128) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:717)Caused by: Unable to load configuration. - action - file:/C:/Program%20Files/ApacheSoftwareFoundation/Tomcat7.0/webapps/testWeb/WEB-INF/classes/struts.xml:32:42 at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:69) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:380) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424) ... 14 moreCaused by: Action class [Regist] not found - action - file:/C:/Program%20Files/ApacheSoftwareFoundation/Tomcat7.0/webapps/testWeb/WEB-INF/classes/struts.xml:32:42 at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyAction(XmlConfigurationProvider.java:420) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:365) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:479) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:275) at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:204) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66) ... 16 more2011-10-5 16:06:50 org.apache.catalina.core.StandardContext startInternal严重: Error filterStart2011-10-5 16:06:50 org.apache.catalina.core.StandardContext startInternal严重: Context [/testWeb] startup failed due to previous errors2011-10-5 16:06:50 org.apache.catalina.core.ApplicationContext log信息: Closing Spring root WebApplicationContext2011-10-5 16:06:50 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc严重: The web application [/testWeb] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.2011-10-5 16:06:50 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads严重: The web application [/testWeb] appears to have started a thread named [MySQL Statement Cancellation Timer] but has failed to stop it. This is very likely to create a memory leak.2011-10-5 16:06:50 org.apache.coyote.AbstractProtocolHandler start信息: Starting ProtocolHandler ["http-apr-8080"]2011-10-5 16:06:50 org.apache.coyote.AbstractProtocolHandler start信息: Starting ProtocolHandler ["ajp-apr-8009"]2011-10-5 16:06:50 org.apache.catalina.startup.Catalina start信息: Server startup in 21720 ms