求助~！谁能给小女看看这个简单的错误啊关于webwork的

HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

file:/E:/workspace/tomcat/webapps/webworktest/WEB-INF/classes/xwork.xml:2:7
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:655)
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:91)
com.opensymphony.xwork.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:85)
com.opensymphony.xwork.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:54)
com.opensymphony.xwork.DefaultActionProxy.<init>(DefaultActionProxy.java:60)
com.opensymphony.xwork.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:46)
com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:216)
com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:202)


root cause

Document is invalid: no grammar found. - file:/E:/workspace/tomcat/webapps/webworktest/WEB-INF/classes/xwork.xml:2:7
com.opensymphony.xwork.util.DomHelper.parse(DomHelper.java:124)
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:650)
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:91)
com.opensymphony.xwork.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:85)
com.opensymphony.xwork.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:54)
com.opensymphony.xwork.DefaultActionProxy.<init>(DefaultActionProxy.java:60)
com.opensymphony.xwork.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:46)
com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:216)
com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:202)


root cause

org.xml.sax.SAXParseException: Document is invalid: no grammar found.
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:172)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:382)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:177)
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:773)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1794)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
javax.xml.parsers.SAXParser.parse(SAXParser.java:375)
com.opensymphony.xwork.util.DomHelper.parse(DomHelper.java:122)
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.loadConfigurationFile(XmlConfigurationProvider.java:650)
com.opensymphony.xwork.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:91)
com.opensymphony.xwork.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:85)
com.opensymphony.xwork.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:54)
com.opensymphony.xwork.DefaultActionProxy.<init>(DefaultActionProxy.java:60)
com.opensymphony.xwork.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:46)
com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:216)
com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:202)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.10 logs.


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Apache Tomcat/6.0.10



xwork.xml文件如下：
<?xml version="1.0" encoding="UTF-8"?>
<xwork>
<include file = "webwork-default.xml" />
<package name = "default" extends = "webwork-default" >
  <action name = "welcome" class = "WelcomeAction" >
    <result name = "success" type = "dispatcher" > /welcomeResult.jsp </result >
      <interceptor-ref name = "params" />
  </action >
</package>
<package name="register" extends ="webwork-default">
   <action name="register" class="RegisterAction">
     <result name="success" type="dispather">/register-result.jsp</result>
      <interceptor-ref name="params"/>
   </action>
</package>
</xwork>