严重: Dispatcher initialization failedUnable to load configuration. - action - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:5:51at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)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:303)at java.util.concurrent.FutureTask.run(FutureTask.java:138)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)at java.lang.Thread.run(Thread.java:619)Caused by: Error building results for action Login in namespace  - action - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:5:51at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:367)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:468)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)... 16 moreCaused by: No result type specified for result named 'success', perhaps the parent package does not specify the result type? - result - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:6:27at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildResults(XmlConfigurationProvider.java:612)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:365)... 21 more2011-3-14 9:59:57 org.apache.catalina.core.StandardContext filterStart严重: Exception starting filter struts2Unable to load configuration. - action - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:5:51at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)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:303)at java.util.concurrent.FutureTask.run(FutureTask.java:138)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)at java.lang.Thread.run(Thread.java:619)Caused by: Unable to load configuration. - action - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:5:51at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)... 14 moreCaused by: Error building results for action Login in namespace  - action - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:5:51at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:367)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:468)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)... 16 moreCaused by: No result type specified for result named 'success', perhaps the parent package does not specify the result type? - result - file:/D:/Program%20Files/apache-tomcat-7.0.8/webapps/login/WEB-INF/classes/struts.xml:6:27at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildResults(XmlConfigurationProvider.java:612)at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:365)... 21 more2011-3-14 9:59:57 org.apache.catalina.core.StandardContext startInternal严重: Error filterStart2011-3-14 9:59:57 org.apache.catalina.core.StandardContext startInternal严重: Context [/login] startup failed due to previous errors2011-3-14 9:59:57 org.apache.catalina.startup.HostConfig deployDirectory

解决办法：在struts.xml的package标签中加入extends="struts-default"属性。或者在可视化界面下

点击Add，选择struts-default。