初用webwork，配置完毕后，运行jsp页面，只做了一个text表单的提交，但提交后，console报出如下问题：严重: Unable to load class com.opensymphony.xwork.spring.interceptor.ActionAutowiringInterceptor for interceptor name autowiring. This interceptor will not be available.
Cause: Could not load class com.opensymphony.xwork.spring.interceptor.ActionAutowiringInterceptor. Perhaps it exists but certain dependencies are not available?
2008-7-20 7:47:10 com.opensymphony.xwork.config.providers.InterceptorBuilder constructInterceptorReference
严重: Unable to find interceptor class referenced by ref-name defaultStack
2008-7-20 7:47:10 com.opensymphony.xwork.config.providers.InterceptorBuilder constructInterceptorReference
严重: Unable to find interceptor class referenced by ref-name defaultStack
随后我检视了一下web.xml和写好的xwork.xml文件，实在找不出原因何在，请教各位，两文件配置如下：
web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<servlet>
<servlet-name>webwork</servlet-name>
<servlet-class>
com.opensymphony.webwork.dispatcher.ServletDispatcher
</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>webwork</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<taglib>
<taglib-uri>webwork</taglib-uri>
<taglib-location>/WEB-INF/webwork.tld</taglib-location>
</taglib>
</web-app>
xwork.xml:
<!DOCTYPE xwork PUBLIC "-//OpenSymphony Group//XWork 1.0//EN"
"http://www.opensymphony.com/xwork/xwork-1.0.dtd">
<xwork>
<include file="webwork-default.xml"></include>
<package name="test" extends="webwork-default">
<action name="hello" class="com.dnasell.test.HelloWorld">
<result name="success" type="dispatcher">/hello.jsp</result>
<result name="input" type="dispatcher">/index.jsp</result>
<interceptor-ref name="defaultStack"></interceptor-ref>
</action>
</package>
</xwork>