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  • dom4j解析XML文件,通过属性查找节点,出现异常

    dom4j解析文件时,通过某个属性查找节点,使用了selectNodes和selectSingleNodes方法

    Element instance = root.element("book");
    //参数:节点名[@属性名='属性值']
    Node subject = instance.selectSingleNode("title[@value='test']");
    运行时出现以下异常:
    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.selectSingleNode(AbstractNode.java:183)
    at com.excel.test.WriteExcel.getRecordText(WriteExcel.java:113)
    at com.excel.test.WriteExcel.getVoiceRecord(WriteExcel.java:86)
    at com.excel.test.WriteExcel.main(WriteExcel.java:53)
    Caused by: java.lang.ClassNotFoundException: org.jaxen.NamespaceContext
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 6 more
     
    在网上找到解决办法:
    需要使用加上jaxen包,这个包在dom4j的lib目录中可以找到。
    参考:http://hi.baidu.com/vjame/item/042fe137cc948ebe124b1413
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  • 原文地址:https://www.cnblogs.com/skyeyh/p/3708861.html
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