how the parser locate dtd files

[Weihong Xie]

hi,

I am new to xml and need to do a quick prototype of how to retrieve
information from other web site using xml format. I got a parsing error of

** Parsing error, line 2, uri null
   Relative URI "my.dtd"; cannot be resolved without a document URI.

I am using Sun's xml parser, and the code looks like

            URL source = new URL(url);
            URLConnection conn = source.openConnection();
            conn.setDoInput(true);
            InputStream is = conn.getInputStream();

            input = Resolver.createInputSource("text/xml;charset=UTF-8", is,
false, "http");
            parser = ParserFactory.makeParser();
	      parser.setDocumentHandler(this);
	      parser.setErrorHandler(this);
	      parser.parse(input);

The document that I am retrieving from the url looks like

	<?xml version="1.0" encoding="iso-8859-1"?>
	<!DOCTYPE mydoc SYSTEM "my.dtd">
	.....

The my.dtd is at the same location as the document, but obviously the parser
doesn't know how to resolve it. What I need to do for configuring the
parser? I am kind of lost by reading the document, any help will be greatly
appreciated.

Thanks.

Weihong.


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