Exception in thread "main" java.lang.NoClassDefFoundError: org/jaxen/NamespaceContext
at org.dom4j.DocumentFactory.createXPath(DocumentFactory.java:230 )
at org.dom4j.tree.AbstractNode.createXPath(AbstractNode.java:207)
at org.dom4j.tree.AbstractNode.valueOf(AbstractNode.java:189 )
at com.demo.Dom4jTest.main( Dom4jTest.java:30)
Caused by: java.lang.ClassNotFoundException: org.jaxen.NamespaceContext
at java.net.URLClassLoader$1.run(URLClassLoader.java:366 )
at java.net.URLClassLoader$1.run(URLClassLoader.java:355 )
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354 )
at java.lang.ClassLoader.loadClass(ClassLoader.java:425 )
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358 )
... 4 more
网上搜了一下 说是dom4j引用了jaxen包但项目里面没有，添加jaxen-1.1.6.jar以后问题解决
下载网址http://download.csdn.net/detail/zy_crazy_code/9692242
