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Message: [QUOTE="rolf, post: 779595"] Hmm, I seem to be missing something basic with regards to SAXParsers. I'm parsing some XML using Java 1.4.2 and SAX, so I extend DefaultHandler and in my startElement() method I detect some kind of error, maybe a missing mandatory attribute. So I throw an exception, and of course I want to report the location (line number and character) within the XML file that the error occurred in. I could throw a SAXParseException that has this information, but... where do I get the location from? It seems likke I could do with a Locator, but DefaultHandler only has a setLocator(), no getLocator(). Surely the parser or the InputSource knows where it's got to in the file when an error occurs - is there no way of getting hold of this information? I'm constructing the parser as follows: SAXParserFactory factory = SAXParserFactory.newInstance(); SAXParser parser = factory.newSAXParser(); InputStream in = new FileInputStream(filename); MyHandler handler = new MyHandler(); InputSource source = new InputSource(in); parser.parse(source, handler); -Rolf [/QUOTE]