package com.sdlc.action; public class HelloWorldAction { private String msg; public void setMessage(String message) { this.msg = message; } public String getMessage() { return msg; } public String execute() { this.msg="电子商务"; //执行该方法之后返回至名为succe…

报如下错误 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultIn…