bug in external schema / DTD handling

[Christian Nentwich <c....@cs.ucl.ac.uk>]

All,

I'm using Xerces 1.4.4 here and I'm encountering some problems. I use
the external-schemaLocation property to set up schemas for those files
that need them, and that works fine.

The problem is that if you set the external-schemaLocation property and
load any file that uses a DTD, Xerces reports lots of errors, even for
valid files. In my opinion, this is a bug, since files that do not use
the right namespace should not really be affected by the external
schemas.

I attach a test program below. Run it on any file with a DTD and it will
tell you that every line is wrong.

Any ideas?

Christian


import java.util.*;
import java.io.*;
import java.net.*;
import org.w3c.dom.*;
import org.apache.xerces.parsers.*;
import org.apache.xerces.dom.*;
import org.xml.sax.*;

public class parse {
    public static void main(String[] args) {
	try {
	    String filename="catalogue.xml";
	    FileInputStream fi=new FileInputStream(filename);
	    InputSource source=new InputSource(fi);
	    source.setSystemId(filename);

	    DOMParser parser = new DOMParser();
	    DocErrorHandler handler=new DocErrorHandler();
	    parser.setErrorHandler(handler);
	
	    parser.setFeature("http://xml.org/sax/features/validation",true);
	   
parser.setFeature("http://apache.org/xml/features/validation/schema",true);
	    
	   
parser.setProperty("http://apache.org/xml/properties/schema/external-schemaLocation","foo Schemas/DocumentSet.xsd");
	    	
	    parser.parse(source);
	    if (handler.getErrorCount()>0)
		System.out.println(handler.getMessage());
	
	    
	}
	catch (Exception e) {
	    System.err.println(e);
	}
    }
}


class DocErrorHandler implements ErrorHandler {

    int count=0;
    String msg="";

    public int getErrorCount() {
	return count;
    }

    public String getMessage() {
	return msg;
    }

    public void error(SAXParseException e) {
	msg=msg+"[Error on line "+e.getLineNumber()+"]\n";
	msg=msg+e.toString()+"\n\n";
	count++;
    }

    public void fatalError(SAXParseException e) {
	msg=msg+"[Error on line "+e.getLineNumber()+"]\n";
	msg=msg+e.toString()+"\n\n";
	count++;
    }

    public void warning(SAXParseException e) {

    }
}





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