java.lang.reflect.InvocationTargetException? ? ? ? at sun.reflect.GeneratedMethodAccessor2395.invoke(Unknown Source)? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)? ? ? ? at java.lang.reflect.Method.invoke(Method.java:597)? ? ? ? at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)? ? ? ? at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)? ? ? ? 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 org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)? ? ? ? at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)? ? ? ? at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)? ? ? ? at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)? ? ? ? at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)? ? ? ? at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)? ? ? ? at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)? ? ? ? at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)? ? ? ? at com.whir.common.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:100)? ? ? ? at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)? ? ? ? at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3588)? ? ? ? at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)? ? ? ? at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)? ? ? ? at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2200)? ? ? ? at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2106)? ? ? ? at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1428)? ? ? ? at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)? ? ? ? at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)Caused by: java.lang.NoSuchMethodError: com.topband.hr.model.ZBModel.setZc(Ljava/lang/String;)V? ? ? ? at com.topband.hr.action.WriteBackSAPAction.actionForHG(WriteBackSAPAction.java:2313)? ? ? ? ... 26 more加粗下劃線這里說是沒有這個方法導致的，可是我檢查了好多遍這個類和方法沒問題，求大神指點迷津吧