运行出错？找不到文件？

Question

显示运行出错

package cn.iast.dom4j;

import java.io.Reader;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class dom4j {
    public static void main(String[] args) {

        try {
            run1();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }   
    }

    public static void run1() throws Exception{

        SAXReader reader = new SAXReader();


        Document document = reader.read("src/book2.xml");
        Element root = document.getRootElement();
        List<Element> books = root.elements("书");
        Element book2 = books.get(1);
        Element author2 = book2.element("作者");
        System.out.println(author2.getText());
    }

Answer 1

你的book2.xml难道不是放在cn.iast.add包下面？并不在src的直属目录下面