I'm having trouble implementing a solution for this question on [editing an XML file in a stream](https://stackoverflow.com/questions/11672244/editing-a-large-xml-file-on-the-fly). I get a MalFormedUrlException: no protocol. The XML file is encoded as UTF-8, has no doctype but is well-formed. I'm stumped as to why this is happening.

Here's the offending code (`byteArray` has the xml, `UpdatingXmlReader` is my class):

```
    XMLReader reader =
        new UpdatingXmlReader(SAXParserFactory.newInstance().newSAXParser());
    Transformer xform = TransformerFactory.newInstance().newTransformer();

    InputSource inputSource = 
        new InputSource(new ByteArrayInputStream(byteArray));
    StreamResult streamResult = 
        new StreamResult(response.getOutputStream());

    SAXSource saxSource = new SAXSource(reader, inputSource);                       

    xform.transform(saxSource, streamResult);

```

How it's called in my test:

```
    File file = new File("c:/test.xml");
    InputStream input = new FileInputStream(file);
    byte[] b = IOUtils.toByteArray(input);
    // in production the byte array will come from the database
    service.method(b, httpServletResponse ,httpServletRequest)

```

Here's the stacktrace:

```
javax.xml.transform.TransformerException: 
    java.net.MalformedURLException: no protocol: 
    at org.apache.xalan.transformer.TransformerIdentityImpl.transform(Unknown Source)
Caused by: java.net.MalformedURLException: no protocol: [B@22732273
    at java.net.URL.<init>(URL.java:579)
    at java.net.URL.<init>(URL.java:476)
    at java.net.URL.<init>(URL.java:425)
    at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
    at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)

```