Xfire开发客户端，异常

小弟用的是Xfire作为客户端调用webservice接口，在java的main方法调用时运行一切正常，为什么在jsp页面调用就会出现异常（struts），以下是异常，它提示说java.lang.NoClassDefFoundError，可是我已经引入这个类的包了啊，我已经把能加入的包都给加进去了，曾经运行正确过一次，后来tomcat重启后，怎么也运行部起来了。客户端服务器是tomcat，要调用服务的服务器是WebSphere6.1.
2009-10-26 15:25:11 13286328 ERROR [http-8080-Processor17] org.apache.struts.actions.DispatchAction     - Dispatch[/synGJJHandle] to method synComGXCHandleshow returned an exception
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
at com.nb.adv.common.CoreDispatchAction.execute(CoreDispatchAction.java:55)
at com.nb.adv.schedule.syn.synGJJHandle.execute(synGJJHandle.java:23)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at com.zl.base.core.Servlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NoClassDefFoundError: org/codehaus/xfire/aegis/type/TypeMappingRegistry
at com.nb.adv.outprovince.webservice.hnservice.client.guojiaju.CallGJJService2.getJXCInfo(CallGJJService2.java:353)
at com.nb.adv.outprovince.webservice.hnservice.client.guojiaju.CallGJJService2.getCommerceGXCD001(CallGJJService2.java:51)
at com.nb.adv.outprovince.webservice.hnservice.client.guojiaju.CallGJJService2.manualGetCommerceGXC(CallGJJService2.java:503)
at com.nb.adv.schedule.syn.synGJJHandle.synComGXCHandleshow(synGJJHandle.java:54)
... 28 more