struts2 예외발생 에러페이지

struts.xml

<!-- 에러페이지 설정하기-->
		<action name="exceptionThrowing" class="com.ch6.action.ExceptionThrowingAction">
			<result name="success">success.jsp</result>
			<result name="error">error.jsp</result>
			<exception-mapping result="error" exception="java.lang.Exception" />
		</action>

ExceptionThrowingAction.java

package com.ch6.action;

import com.opensymphony.xwork2.Action;

public class ExceptionThrowingAction implements Action{

	@Override
	public String execute() throws Exception {
		if(true)
			throw new Exception("Action Exception occured");
		return SUCCESS;
	}

}

error.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>







${exception}