Writing XML to file problem

Question

I have the following code, worked just fine in JRE 1.4.2 but when I try to run it on a JRE 1.5 runtime it does not.
Code:
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = factory.newDocumentBuilder();
Document document = documentBuilder.newDocument();
Element configNode = document.createElement("config");
configNode.setAttribute("name", "something");
document.appendChild(configNode);
code to write the document to a file.
In JRE 1.5 the XML file that is written to the file looks like this:
<?xml version="1.0" encoding="ISO-8859-1" ?>
[config: null]
In JRE 1.4.2 the XML file that is written to the file looks like this:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<config name="something">
</config>
In JRE 1.5, after document.appendChild(configNode); I can do document.getDocumentElement(); and it returns the [config: null].
What has changed in 1.5 that breaks creating XML documents? And what is the new correct way to do it?
Any help would be greatly appreciated.

Answer 1

Hmm, ok. We were doing the following to write out the file:
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(
                                            new FileOutputStream(configFile)));
         out.write(headerString); // headerString being <?xml version="1.0" encoding="ISO-8859-1" ?>
         out.newLine();
         out.newLine();
         out.write(document.getDocumentElement().toString());
         out.flush();
         out.close();And before document.getDocumentElement returned the XML so we were able to just write it out, but in 1.5 it was returning the [config: null] thing.