[SOLVED]Any XML people out there? -- Nothing to see here.

urahonky

Okay guys. I need to finish this thing up but I've run into a bump and have NO idea what to do about it. Anyway. I am working on making a validator in Java for my XML file and schema file. For the code our professor has given us a sample one that works for his small, insanely easy XML file. I had to tweak it a little bit, but it works fine. Or so I thought. Once I brought my XML file I was given an error:

Parser encountered a Fatal Error!!!!!!
The markup in the document following the root element must be well-formed.
org.xml.sax.SAXParseException: The markup in the document following the root element must be well-formed.
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:249)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:208)
at org.knoesis.Validator.main(Validator.java:74)

Okay... But I thought my XML file was well formed... Here's my XML file:

<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="transformer.xsl"?>
<auction xmlns="http://knoesis1.wright.edu/~webinfo2010/w100koh" 
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
      xsi:schemaLocation="http://knoesis1.wright.edu/~webinfo2010/w100koh schema.xsd">
<computer>
<name>HP Pavillion 2100</name>
<purchase_date>2008</purchase_date>
<current_value>200.00</current_value>
<id_number>com-20100</id_number>
</computer>
<furniture>
<name>Comfy Chair</name>
<purchase_date>2009</purchase_date>
<current_value>80.00</current_value>
<id_number>fur-30110</id_number>
</furniture>
<accessories>
<name>USB Cable</name>
<purchase_date>2010</purchase_date>
<current_value>10.00</current_value>
<id_number>acc-50120</id_number>
</accessories>
</auction>

I even uploaded it to an online validator and it said it was okay. So I'm stumped... Does anyone have any ideas on what I can do to fix this? I'm tired and I want to go to bed. :P

Code for validator:

package org.knoesis;

import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

import com.sun.org.apache.xerces.internal.jaxp.JAXPConstants;

public class Validator {

	public static void main(String[] args) {

		try {
			// Create a factory
			DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
			// set validating features in the factory
			//parsers must be namespace aware to validate
			fact.setNamespaceAware(true);
			fact.setValidating(true);
			
			//since we are a validating against schema  we have to explicitly say that
			try {
				fact.setAttribute(JAXPConstants.JAXP_SCHEMA_LANGUAGE,
						JAXPConstants.W3C_XML_SCHEMA);
			} catch (IllegalArgumentException x) {
				// Happens if the parser does not support JAXP 1.2
				throw new RuntimeException("Cannot use validation here!",x);
			}

			DocumentBuilder builder = fact.newDocumentBuilder();
			
			// using an anonymous inner class to work with the errors
			builder.setErrorHandler(new ErrorHandler() {

				@Override
				public void error(SAXParseException exception)
						throws SAXException {
					System.out.println("Parser encountered an Error!");
					System.out.println(exception.getMessage());
				}

				@Override
				public void fatalError(SAXParseException exception)
						throws SAXException {
					System.out
							.println("Parser encountered a Fatal Error!!!!!!");
					System.out.println(exception.getMessage());

				}

				@Override
				public void warning(SAXParseException exception)
						throws SAXException {
					System.out
							.println("Parser encountered an Warning! Can still proceed");
					System.out.println(exception.getMessage());

				}

			});

			// parse a valid instance
			Document doc = builder.parse(new File(
					"resources/source.xml"));

		} catch (ParserConfigurationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SAXException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}
}

By the way, there aren't any spaces in my XML file because I thought that's what the problem was and I've been too lazy to put them back.

RiemannLives

Sounds like your XML parser doesn't know what to do with a <?xml-stylesheet declaration. You sure that is supported by the library you are using?

urahonky

You're right, I'm not sure if it is... However I need to have it in there in order to convert the XML to HTML using a transformer (xslt file).

e: Removing it gave me the same error. Damn. I really wish it was just that. :P

urahonky

Ugh I figured it out. My XML and schema weren't playing nice with each other. Had to fix it. Thanks anyway guys.