When this code is run with Catalog.xml as argument, the error is "true Attribute "date" is not declared for element "journal"".

import java.io.IOException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;

public class SchemaValidator1
{
public void validateSchema(String XmlDocumentUrl)
{
SAXParserFactory factory;
try{
Validator handler = new Validator();
factory = SAXParserFactory.newInstance();
factory.setValidating(true);
factory.setNamespaceAware(true);
SAXParser saxParser = factory.newSAXParser();
saxParser.parse(XmlDocumentUrl, handler);

if(handler.validationError==true)
System.out.println("XML Document has Error:"+handler.validationError +" " + handler.saxParseException.getMessage());
else
System.out.println("XML Document is valid"); }
catch(java.io.IOException ioe){
System.out.println("IOException"+ioe.getMessage());
}catch (SAXException se) {
System.out.println("SAXException"+se.getMessage()); }
catch(Exception e){
System.out.println("Exception"+e.getMessage()); }
}

private class Validator extends DefaultHandler
{
public boolean validationError = false;
public SAXParseException saxParseException=null;
public void error(SAXParseException exception) throws SAXException
{
validationError=true;
saxParseException=exception;
}
public void fatalError(SAXParseException exception) throws SAXException
{
validationError = true;
saxParseException=exception;
}
public void warning(SAXParseException exception) throws SAXException
{
validationError = false;
saxParseException=exception;
}
}

public static void main(String[] argv)
{
String XmlDocumentUrl=argv[0];

SchemaValidator1 validator=new SchemaValidator1();
validator.validateSchema(XmlDocumentUrl);
}
}

I would greatly appreciate if you can look into this ..