请问webwork的问题

严重: Caught exception while loading file xwork.xml
java.lang.Exception: Could not open file xwork.xml
at com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:654)
at com.opensymphony.xwork.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:91)
at com.opensymphony.xwork.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:159)
at com.opensymphony.xwork.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at com.opensymphony.xwork.util.OgnlUtil.isUseOgnlEnhancement(OgnlUtil.java:549)
at com.opensymphony.xwork.util.OgnlUtil.getValue(OgnlUtil.java:265)
at com.opensymphony.xwork.util.OgnlValueStack.findValue(OgnlValueStack.java:224)
at com.opensymphony.webwork.dispatcher.WebWorkRequestWrapper.getAttribute(WebWorkRequestWrapper.java:52)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.createContextMap(DispatcherUtils.java:352)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.createContextMap(DispatcherUtils.java:311)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:241)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:595)
2008-3-10 3:35:28 com.opensymphony.xwork.util.OgnlUtil isUseOgnlEnhancement
警告: Failed to get xwork parameter [useOgnlEnhancement] assuming it's false
Caught exception while loading file xwork.xml - Class: com.opensymphony.xwork.config.providers.XmlConfigurationProvider
File: XmlConfigurationProvider.java
Method: loadConfigurationFile
Line: 654 - com/opensymphony/xwork/config/providers/XmlConfigurationProvider.java:654:-1
at com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:678)
at com.opensymphony.xwork.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:91)
at com.opensymphony.xwork.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:159)
at com.opensymphony.xwork.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at com.opensymphony.xwork.util.OgnlUtil.isUseOgnlEnhancement(OgnlUtil.java:549)
at com.opensymphony.xwork.util.OgnlUtil.getValue(OgnlUtil.java:265)
at com.opensymphony.xwork.util.OgnlValueStack.findValue(OgnlValueStack.java:224)
at com.opensymphony.webwork.dispatcher.WebWorkRequestWrapper.getAttribute(WebWorkRequestWrapper.java:52)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.createContextMap(DispatcherUtils.java:352)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.createContextMap(DispatcherUtils.java:311)
at com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:241)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.Exception: Could not open file xwork.xml
at com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:654)
... 36 more
2008-3-10 3:35:28 com.opensymphony.xwork.config.providers.XmlConfigurationProvider loadConfigurationFile
严重: Caught exception while loading file xwork.xml