Following code runs into infinite loop on Mustang b78:
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import java.io.*;

import javax.xml.stream.*;
import javax.xml.transform.*;
import javax.xml.transform.stream.*;
import javax.xml.transform.stax.*;

public class StreamResultTest{

public static void main(String[] args) throws Exception{

XMLOutputFactory ofac = XMLOutputFactory.newInstance();
StreamResult sr = new StreamResult(new FileOutputStream("out.xml"));
XMLStreamWriter writer = ofac.createXMLStreamWriter(sr);
writer.writeStartDocument("utf-8","1.0");
writer.writeStartElement("root");
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
}
}
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