<pre>I have a line on my program like that:<br><br> <span style="font-weight: bold;">XPath.selectSingleNode(document, "xpath String");</span><br><br>When this line is executed I always get this error:<br><br>java.lang.NoClassDefFoundError
: org/jaxen/JaxenException<br>        java.lang.Class.forName0(Native Method)<br>        java.lang.Class.forName(Class.java:164)<br>        org.jdom.xpath.XPath.newInstance(XPath.java:126)<br>        org.jdom.xpath.XPath.selectSingleNode(XPath.java:368)
<br> .....<br>I have configured the buildpath of my project (I use Eclipse) adding the jaxen-1.1.jar but I get the same Fucking error!<br>Please, if someone can help...<br></pre>