关于webwork的helloWorld的问题

[liuwei424]

我已导入五个包，分别是：common-logging.jar,ognl.jar,oscore.jar,velocity-dep.jar,xwork.jar
但是在浏览器中输入url点击后，在ECLIPSE中的console却出现如下错误提示。我现在只知道我少导入了包（因为如果我导入了一大堆包，那是公司里的配置好的包，太多了，这个程序就成功了），但是我少导入了那些包，请您赐教。
非常感谢。
此外，我写的这个helloworld就是Webwork in action中的例子。

信息: Marking servlet webwork as unavailable
2008-4-25 10:23:27 org.apache.catalina.core.ApplicationContext log
严重: Error loading WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@1b9240e
com.opensymphony.webwork.dispatcher.ServletDispatcher
java.lang.ClassNotFoundException: com.opensymphony.webwork.dispatcher.ServletDispatcher
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1355)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1034)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:757)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:130)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
2008-4-25 10:23:27 org.apache.catalina.core.StandardWrapperValve invoke
严重: Allocate exception for servlet webwork
java.lang.ClassNotFoundException: com.opensymphony.webwork.dispatcher.ServletDispatcher
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1355)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1034)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:757)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:130)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)

[zuoguodang]

我测试webwork建的一个工程，下面的jar包有：
webflow-2.1.7.jar
webwork-2.1.7.jar
webwork-migration.jar
commons-fileupload.jar--非必选
commons-logging.jar
cos-multipart.jar
mail.jar--非必选
ognl.jar
oscore.jar
pell-multipart.jar
velocity-dep.jar
xwork.jar