http://localhost:8080/ecsideDemo/demo.do运行是出错：

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

exception

javax.servlet.ServletException: Request[/demo] does not contain handler parameter named 'actionMethod'.  This may be caused by whitespace in the label text.
org.apache.struts.actions.DispatchAction.unspecified(DispatchAction.java:222)
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:256)
org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:188)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.