Re: documentBulder.parse(string) returns [#document: null]

 Daniel Pitts <>
Thu, 02 Aug 2007 14:48:07 -0000
On Aug 2, 4:40 am, wrote:


import org.w3c.dom.*;
import org.w3c.dom.Element;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.NamedNodeMap;
import org.xml.sax.InputSource;
import org.w3c.dom.Text;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

public class GetWeather{
        public static void main(String []arg){
                String path = "
                        URL url = new URL(path);
                        URLConnection urlcon = url.openConnection();

                        //int responseCode =urlcon.getResponseCode ( ) ;
                        //if ( responseCode ==HttpURLConnection.HTTP_OK) {}

                        BufferedReader in = new BufferedReader(new
                        String inputLine = null;
                        String xmlString = "";
                        while ((inputLine = in.readLine()) != null){
                                xmlString = xmlString+inputLine;
                        }catch(Exception ex){
                                System.out.println("exception in parseXml():-> "+ex);

                }catch(Exception ex){
                        System.out.println("exception:-> "+ex);


        public static void parseXml(String xml) throws Exception{
        //public static void parseXml(InputStream xml) throws Exception{
                Document doc;
                DocumentBuilder docBuilder;
                DocumentBuilderFactory docFactory;

                docFactory = DocumentBuilderFactory.newInstance();

                docBuilder = docFactory.newDocumentBuilder();

                doc = docBuilder.parse(new InputSource(new StringReader(xml))); //**
Line abc **/
                //doc = docBuilder.parse(xml);
                System.out.println("doc:-> "+doc); //** Line pqr **/
                Element parentEle = doc.getDocumentElement();

                NodeList nodeList = parentEle.getChildNodes();
                NamedNodeMap nodeAttr = null;
                for(int i=0;i<nodeList.getLength();i++){
                        nodeAttr = nodeList.item(i).getAttributes();
                        for(int j=0;j<nodeAttr.getLength();j++){
                                System.out.println("Node Attr :->"+nodeAttr.item(j).getNodeValue());



/**Line abc*/ returns null

doc:-> [#document: null]
exception in parseXml():-> java.lang.NullPointerException

why ?
how can i resolve exception

have you tried this:

Document document =

That way, you don't have to mess with URLs or URLConnnections at all.

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