Exception in thread "main" java.lang.NoClassDefFoundError: org/jaxen/JaxenException

at org.dom4j.DocumentFactory.createXPath(DocumentFactory.java:222)

at org.dom4j.tree.AbstractNode.createXPath(AbstractNode.java:202)

at org.dom4j.tree.AbstractNode.selectNodes(AbstractNode.java:159)

at com.imooc.dom4j.XPathTestor.xpath(XPathTestor.java:17)

at com.imooc.dom4j.XPathTestor.main(XPathTestor.java:34)

Caused by: java.lang.ClassNotFoundException: org.jaxen.JaxenException

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 5 more

package com.imooc.dom4j;

import java.util.List;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.Node;

import org.dom4j.io.SAXReader;

public class XPathTestor {

public void xpath(String xpathExp){

String file="C:/Users/Administrator/Desktop/web/xml/src/hr.xml";

SAXReader reader=new SAXReader();

try {

Document document=reader.read(file);

List<Node> nodes=document.selectNodes(xpathExp);

for(Node node:nodes){

Element emp=(Element)node;

// sysout

System.out.println(emp.elementText("name"));

System.out.println(emp.elementText("age"));

System.out.println(emp.elementText("salary"));

}

} catch (DocumentException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void main(String[] args) {

XPathTestor testor=new XPathTestor();

testor.xpath("/hr/employee");

}

}

<?xml version="1.0" encoding="UTF-8"?>

<!-- 人力资源管理 --><hr>

<employee no="3301">

<name>张三</name>

<age>31</age>

<salary>4000</salary>

<deparment>

<dname>会计部</dname>

<address>**大厦-B103</address>

</deparment>

</employee>

<employee no="3302">

<name>李四</name>

<age>23</age>

<salary>3000</salary>

<deparment>

<dname>工程部</dname>

<address>**大厦-B104</address>

</deparment>

</employee>

<employee no="3303">

<name>李铁住</name>

<salary>3600</salary>

<deparment>

<dname>人事部</dname>

<address>xx-大厦-B105</address>

</deparment>

</employee>

<employee no="3304">

<name>王五</name>

<salary>3600</salary>

<deparment>

<dname>人事部</dname>

<address>xx-大厦-B106</address>

</deparment>

</employee>

<employee no="3305">

<name>胡六</name>

<salary>3600</salary>

<deparment>

<dname>人事部</dname>

<address>xx-大厦-B107</address>

</deparment>

</employee>

<employee no="3306">

<name>李七</name>

<salary>3600</salary>

<deparment>

<dname>人事部</dname>

<address>xx-大厦-B108</address>

</deparment>

</employee>

<employee no="3307">

<name>王八</name>

<salary>3600</salary>

<deparment>

<dname>人事部</dname>

<address>xx-大厦-B109</address>

</deparment>

</employee>

</hr>