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setXmlStandalone bug?

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Ondrej on 7 Apr 2011
Commented: Isirame Omofuma on 29 Jul 2019
Hi, I have this problem. If I make this in matlab
docNode = com.mathworks.xml.XMLUtils.createDocument('root');
I don't see any "standalone" atttribute, and the version is still set to '1.0'.
i.e. the 'file.xml' looks like:
'<?xml version="1.0" encoding="utf-8"?> root/'
but it should look like:
'<?xml version="1.1" standalone="yes" encoding="utf-8"?> root/
Is it a bug in matlab, or am I doing something wrong? Thanks.
I'm using Matlab 2009b (7.9.0).
  1 Comment
Abby on 5 Feb 2012
Did you ever find a solution for this? I have the same issue.

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Accepted Answer

Michael Katz
Michael Katz on 6 Feb 2012
Our implementation doesn't forward that document property to the serializer. You'll have to do it yourself, like this:
docNode = com.mathworks.xml.XMLUtils.createDocument('AddressBook');
%don't do this docNode.setXmlStandalone(1)
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
tfactory = TransformerFactory.newInstance;
serializer = tfactory.newTransformer;
src = DOMSource(docNode);
stream =;
dst = StreamResult(stream);
%set the value here instead
result = char(stream.toString)
Ondrej on 6 Feb 2012
I would say, it is just much more "user-friendly" to write one line of code instead of "low-level xml serializing".
Isirame Omofuma
Isirame Omofuma on 29 Jul 2019
Hi, I did all this and found a way to write the string result to a domnode.
import org.xml.sax.InputSource;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
factory = DocumentBuilderFactory.newInstance();
builder = factory.newDocumentBuilder();
s = StringReader(result);
i = InputSource(s);
doc = builder.parse(i);
xmlwrite('try.xml', doc)
On using xmlwrite to write the result to file the standalone argument still does not appear in the xml file and the version remains as 1.1. Is there a simpler way to write to xml? Is there a simpler way to solve this probelm?

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More Answers (1)

Darlling5147 Sew
Darlling5147 Sew on 6 Dec 2013
how if I wanted to save it into .xml file? I tried this method but at the very last step I wanted to write" xmlwrite('AB.xml',result)" this it to solve this problem of exporting into .xml format?
Thank you in advance.
  1 Comment
Ondrej on 6 Dec 2013
xmlwrite requires DOMnode object as input. And not some char. e.g. xmlWrite('AB.xml',docNode)

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