学习struts2 tomcat启动的时候报错

May 23, 2011 12:40:27 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory struts
May 23, 2011 12:40:27 PM com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
INFO: Unable to locate configuration files of the name WEB-INF\classes\struts.xml, skipping
May 23, 2011 12:40:27 PM com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
INFO: Parsing configuration file [WEB-INF\classes\struts.xml]
May 23, 2011 12:40:27 PM com.opensymphony.xwork2.util.logging.jdk.JdkLogger error
SEVERE: Dispatcher initialization failed
com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=com.opensymphony.xwork2.ObjectFactory, name='default'] in public void com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.setObjectFactory(com.opensymphony.xwork2.ObjectFactory).
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:144)
.........
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=com.opensymphony.xwork2.ObjectFactory, name='default'] in public void com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.setObjectFactory(com.opensymphony.xwork2.ObjectFactory).
at com.opensymphony.xwork2.inject.ContainerImpl.createParameterInjector(ContainerImpl.java:235)
at com.opensymphony.xwork2.inject.ContainerImpl.getParametersInjectors(ContainerImpl.java:225)
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.<init>(ContainerImpl.java:287)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:117)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:114)
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:141)
... 48 more
May 23, 2011 12:40:27 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter struts
com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=com.opensymphony.xwork2.ObjectFactory, name='default'] in public void com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.setObjectFactory(com.opensymphony.xwork2.ObjectFactory). - Class: com.opensymphony.xwork2.inject.ContainerImpl
File: ContainerImpl.java
Method: addInjectorsForMembers
Line: 144 - com/opensymphony/xwork2/inject/ContainerImpl.java:144:-1
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437)
.........(字数过多)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=com.opensymphony.xwork2.ObjectFactory, name='default'] in public void com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.setObjectFactory(com.opensymphony.xwork2.ObjectFactory).
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:144)
......
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:521)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:203)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:380)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424)
... 29 more
Caused by: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=com.opensymphony.xwork2.ObjectFactory, name='default'] in public void com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.setObjectFactory(com.opensymphony.xwork2.ObjectFactory).
at com.opensymphony.xwork2.inject.ContainerImpl.createParameterInjector(ContainerImpl.java:235)
at com.opensymphony.xwork2.inject.ContainerImpl.getParametersInjectors(ContainerImpl.java:225)
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.<init>(ContainerImpl.java:287)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:117)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:114)
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:141)
... 48 more
May 23, 2011 12:40:27 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
May 23, 2011 12:40:27 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/struts] startup failed due to previous errors
May 23, 2011 12:40:27 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: The web application [/struts] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@d0c3d5]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1e8dd92]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
May 23, 2011 12:40:27 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: The web application [/struts] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@12adac5]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@80cf99]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
May 23, 2011 12:40:27 PM org.apache.coyote.http11.Http11AprProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
May 23, 2011 12:40:27 PM org.apache.coyote.ajp.AjpAprProtocol start
INFO: Starting Coyote AJP/1.3 on ajp-8009
May 23, 2011 12:40:27 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2442 ms