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Solution:
I just put the jaxen-1.1-beta-7.jar in the library-path. Then it worked.
I'm wondering why this has to be done because the needed classes/methods
should already be included in the dom4j-1.6.1.jar.
Any comments?
Peter
Peter Emmerling wrote:
> Hi,
>
> I'm dealing with servlets, tomcat5.028, java1.5.0 and dom4j1.6.1.
> I would like to process a xml-file by means of a xml_utility-class.
> I always get an Invalid XPath Expression-Exception with the code you can
> see below, but when I'm using an Iterator like:
> Element root = doc.getRootElement();
> for (Iterator i2 = root.elementIterator("id");i2.hasNext();){
> Element id =(Element) i2.next();
> x=id.attributeValue("nr");
> }
>
> it works. As soon as I try to use
> List ids =doc.selectNodes("//@nr");
> (see all the code below)I get an Exception (invalid XPath Expression),
> no matter what expression it is.
>
> Is there a solution?
> Thanks, Peter
>
>
> here is a simmple xml-File:
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <language>
> <id nr="2">
> <dt>hallo</dt>
> <en>hellochen</en>
> </id>
> </language>
>
> here is the simple java XML_Util-class:
>
> import java.io.BufferedReader;
> import java.io.File;
> import java.io.FileNotFoundException;
> import java.io.FileOutputStream;
> import java.io.FileReader;
> import java.io.IOException;
> import java.io.UnsupportedEncodingException;
> import java.util.List;
>
> import org.dom4j.Document;
> import org.dom4j.DocumentHelper;
> import org.dom4j.Element;
> import org.dom4j.io.OutputFormat;
> import org.dom4j.io.SAXReader;
> import org.dom4j.io.XMLWriter;
>
> public class XML_Utils {
> public static String xml_string(String l, String nr) {
> Document doc=null;
> String cur;
> cur="";
> SAXReader xmlReader = new SAXReader();
> try {
>
> File f=new
> File(System.getProperty("catalina.base").toString()+"/webapps/Arbeiten/xmls/lang2.xml");
> doc = xmlReader.read(f);
> String x="no";
> List ids =doc.selectNodes("//@nr");
> return x;
> } catch (Exception e) {
> return e.getMessage();
> }
> }
>
> }
>
>
>
>
>
>
>
>
>
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