Problem in parsing

Hi i am trying to parse a HTML document, but i am not able to that correctly...
here is my source cose
package com.wolfram.nutch.parse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.nutch.parse.HTMLMetaTags;
import org.apache.nutch.parse.HtmlParseFilter;
import org.apache.nutch.parse.Parse;
import org.apache.nutch.protocol.Content;
import java.util.Enumeration;
import java.util.Properties;
import org.apache.hadoop.conf.Configuration;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.*;
import org.xml.*;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
import java.io.*;
import org.apache.xerces.parsers.DOMParser;
/** Adds basic searchable fields to a document. */
public class WolframHtmlParseFilter implements HtmlParseFilter {
     public static final Log LOG = LogFactory
               .getLog(WolframHtmlParseFilter.class);
     private Configuration conf;
     public static final String META_KEYWORDS_NAME = "keywords";
     public static final String META_SUMMARY_NAME = "summary";
    public static final String META_SYNONYMS_NAME = "synonyms";
     public Parse filter(Content content, Parse parse, HTMLMetaTags metaTags,
               DocumentFragment doc) {
          // Trying to find the document's recommended term
          String keywords = null;
          String summary = null;
        String synonyms = null;
        Document d = doc.getOwnerDocument();
      String htmlfile = content.toString();
      //String htmlfile = "<html><title></title><img /> <img /><img /></html>";
      Reader reader;
      Document actualdoc = null;
      DOMParser parser = new DOMParser();
      try {
//           Create a factory
          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
//           Use document builder factory
          DocumentBuilder builder = factory.newDocumentBuilder();
//          Parse the document
          reader=new CharArrayReader(htmlfile.toCharArray());
          parser.parse(new org.xml.sax.InputSource(new StringReader(htmlfile)));
          actualdoc = parser.getDocument();
      catch(Exception e) {
          System.err.println(e);
      System.out.println("the string is" + actualdoc);
      NodeList images = actualdoc.getElementsByTagName("img");
      int length = images.getLength();
      System.out.println("the length is" + length);
      for(int i = 0;i<length;i++)
          Node image = images.item(i);
          String nodename = image.getNodeName();
          String alttext = image.getAttributes().getNamedItem("alt").getNodeValue();
          System.out.println(alttext);
          if (!metaTags.getNoIndex()) {
               Properties generalMetaTags = metaTags.getGeneralTags();
               for (Enumeration tagNames = generalMetaTags.propertyNames(); tagNames
                         .hasMoreElements();) {
                    Object element = tagNames.nextElement();
                    if (element.equals("keywords")) {
                         keywords = generalMetaTags.getProperty("keywords");
                    if (element.equals("dc.keywords")) {
                         keywords = generalMetaTags.getProperty("dc.keywords");
                    if (element.equals("description")) {
                         summary = generalMetaTags.getProperty("description");
                    if (element.equals("dc.description")) {
                         summary = generalMetaTags.getProperty("dc.description");
                         System.out.println("in dc.Description");
                if (element.equals("synonyms")){
                    synonyms = generalMetaTags.getProperty("synonyms");
               if (keywords != null) {
                    parse.getData().getParseMeta()
                              .set(META_KEYWORDS_NAME, keywords);
               if (summary != null) {
                    parse.getData().getParseMeta().set(META_SUMMARY_NAME, summary);
            if (synonyms != null){
                parse.getData().getParseMeta().set(META_SYNONYMS_NAME, synonyms);
          return parse;
     public void setConf(Configuration conf) {
          this.conf = conf;
     public Configuration getConf() {
          return this.conf;
and the error i am getting is[Fatal Error] :1:1: Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed in prolog.
the string isnull
any ideas please....i am stuck on this problem from last 3 days.....
any help is highly appreciated...thanks

Obviously, don't use an XML parser for something that isn't XML. Either switch over to using an HTML parser that produces a DOM, or clean up the HTML beforehand so that it's well-formed XHTML.
Look at JTidy and TagSoup.

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<reference num="2">Line ref 2</reference>
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http://www.theserverside.com/discussions/thread.tss?thread_id=26060

Problem in parsing a particular XML file.

Hello, I have an XML file like this:
<eGov_IT:Intestazione xmlns:eGov_IT="http://www.cnipa.it/schemas/2003/eGovIT/Busta1_0/" xmlns:SOAP_ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cnipa.it/schemas/2003/eGovIT/Busta1_0/
E:\Progetti\EchoPorte\sviluppo\WEBCON~1\WEB-INF\risorse\Messaggio.xsd">
<eGov_IT:IntestazioneMessaggio xmlns:eGov_IT="http://www.cnipa.it/schemas/2003/eGovIT/Busta1_0/">
<eGov_IT:Collaborazione>PortaDelegata_PortaDiDominio_0000001_2007-10-05_12:26</eGov_IT:Collaborazione>
<eGov_IT:Identificatore>PortaDelegata_PortaDiDominio_0000002_2007-10-05_12:26</eGov_IT:Identificatore>
</eGov_IT:IntestazioneMessaggio>
As you can see there are 2 elements in which the values are really similar. In fact in the Schema we use they have to match the same regular expression; here's the extract from my schema.
<xsd:element name="Collaborazione" type="IdentificatoreType"/>
<xsd:element name="Identificatore" type="IdentificatoreType"/>
<xsd:simpleType name="IdentificatoreType">
<xsd:restriction base="xsd:string">
<xsd:pattern value="[\w]+_[\w]+_\d{7}_\d{4}\-\d{2}\-\d{2}_\d{2}:\d{2}"/>
</xsd:restriction>
</xsd:simpleType>
I can CORRECTLY validate this expression using this code:
public void validate (String doc, String schema) throws SAXParseException, SAXException
try
SchemaFactory schemaFactory = SchemaFactory.newInstance( XMLConstants.W3C_XML_SCHEMA_NS_URI );
Schema schemaXSD = schemaFactory.newSchema( new File ( schema ) );
Validator validator = schemaXSD.newValidator();
DocumentBuilderFactory.newInstance().newDocumentBuilder();
ByteArrayInputStream baisDoc = new ByteArrayInputStream(doc.getBytes());
Document document = parser.parse(baisDoc);
validator.validate( new DOMSource( document ) );
And, in case the validation fails, I correctly gain a SAXParseException.
The problem is that I can't understand if, in this case, the error is in the "Collaborazione" element or in the "Identificatore" element, because I get the following detailed message from the Exception:
"cvc-pattern-valid: Value '' is not facet-valid with respect to pattern '[\w]+_[\w]+_\d{7}_\d{4}\-\d{2}\-\d{2}_\d{2}:\d{2}' for type 'IdentificatoreType'."
How can I get more detailed informations about this error?
Thanks everybody,
Cris

Check here:
http://forum.java.sun.com/thread.jspa?threadID=5223284
This is the correct post with my problem.
Thanks!
Cristiano

Problem in parsing date having Chinese character when dateformat is 'MMM'

I m calling jsp page using following code:
var ratewin = window.showModalDialog("Details.jsp?startDate="+startDate,window, dlgSettings );
In my javascript when checked by adding alerts I m getting correct values before passing to jsp,
alert("startDate:"+startDate);
In jsp page my code is like below:
String startDate = request.getParameter("startDate");
but here I m getting garbage values in month when the dateformat is 'MMM', because of which date parsing is failing.
This happens only Chinese character.
following 2 encoding are already in my jsp page,can anyone help to find solution?
     <%@ page pageEncoding="UTF-8" contentType="text/html;charset=UTF-8"%>
     <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8"/>
I have even tried to read it as UTF-8 but still that's failing.

This is my actual code
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class TestingDate {
      * @param args
     public static void main(String[] args) {
          // TODO Auto-generated method stub
          String dateFormat="EEEE, MMM d h:mm a";
          Date test=new Date(2007,0,19, 19, 31);
          System.out.println(" original date is "+test);
          String stringResult=DateToString(test,dateFormat);
          System.out.println("Date to string is "+stringResult);
          Date dateResult=stringToDate(stringResult,dateFormat);
          System.out.println(" String to date is "+dateResult);
          String stringResult2=DateToString(dateResult,dateFormat);
          System.out.println(" Date to string is "+stringResult2);
public static String DateToString(Date test, String dateFormat) {
         String result = null;
         try {
              DateFormat myDateFormat = new SimpleDateFormat(dateFormat);
                 result = myDateFormat.format(test);
                 //System.out.println(" reslut date is "+result);
          } catch (Exception e) {
               System.out.println(" Exception is "+e);
          return result;
public static Date stringToDate(String strDate,String dateFormat1){
     Date result1=null;
     try {
          DateFormat myDateFormat = new SimpleDateFormat(dateFormat1);
          result1=myDateFormat.parse(strDate);
     catch(Exception e){
          System.out.println(" exception is "+e);
     return result1;
}I am facing problem in getting the actual date. Please suggest the solution.

Problem in parsing

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