Struts2问题解决

1.struts2与spring集成出现如下错误:

警告: Settings: Could not parse struts.locale setting, substituting default VM locale
2008-5-15 23:42:43 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
Cannot locate the chosen ObjectFactory implementation: spring - [unknown location]
	at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:224)
	at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:195)
	at org.apache.struts2.config.BeanSelectionProvider.register(BeanSelectionProvider.java:155)
	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:131)
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:52)
	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:398)
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:455)
	at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:201)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:221)
	at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:78)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:448)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
	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:585)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
2008-5-15 23:42:43 org.apache.catalina.core.StandardContext start
严重: Error filterStart

 解决：缺少与spring集成的struts2-spring-plugin-2.0.X.jar(X为相应的版本)