java操作dom4j报错java.lang.ClassNotF

• 错误：java使用dom4j的xpath查询xml节点报错如下。
• 原因：没有引入jaxen.jar
  pom.xml中添加：
  <dependency>
  <groupId>jaxen</groupId>
  <artifactId>jaxen</artifactId>
  <version>1.2.0</version>
  </dependency>

Exception in thread "main" java.lang.NoClassDefFoundError: org/jaxen/JaxenException
    at org.dom4j.DocumentFactory.createXPath(DocumentFactory.java:230)
    at org.dom4j.tree.AbstractNode.createXPath(AbstractNode.java:207)
    at org.dom4j.tree.AbstractNode.selectNodes(AbstractNode.java:164)
    at com.lhtc.jv.utils.XmlUtil.main(XmlUtil.java:21)
Caused by: java.lang.ClassNotFoundException: org.jaxen.JaxenException
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 4 more