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copied!<p>This is the <em>fourth</em> hour that I'm trying to find the source of the problem. After much struggle, now, I'm confident that you're missing a <em>single line of code</em> to be able to rise to glorious heights!</p> <p>The problem is that <code>DocumentBuilderFactory</code> created via <code>DocumentBuilderFactory.newInstance()</code> by default <em>isn't namespace aware</em>—yeah.</p> <p>You can overcome this in two ways:</p> <ol> <li><p>make your <code>DocumentBuilderFactory</code> namespace aware:</p> <p><a href="http://docs.oracle.com/javase/7/docs/api/javax/xml/parsers/DocumentBuilderFactory.html#setNamespaceAware%28boolean%29"><code>DocumentBuilderFactory.setNamespaceAware(true);</code></a></p></li> <li><p>or use a <code>StreamSource</code> while unmarshalling and drop the <code>DocumentBuilder</code> and his little friends altogether:</p> <p><a href="http://docs.oracle.com/javase/7/docs/api/javax/xml/bind/Unmarshaller.html#unmarshal%28javax.xml.transform.Source,%20java.lang.Class%29"><code>Unmarshaller.unmarshal(StreamSource, Class<T>);</code></a></p></li> </ol> <p>In case of the second choice you're to do it like this.</p> <pre><code>InputStream xsdStream = ... InputStream xmlStream = ... SchemaFactory f = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI); Schema s = schemaFactory.newSchema(xsdStream); JAXBContext c = JAXBContext.newInstance(CalculateBorrowingDataResponseType.class); Unmarshaller u = c.createUnmarshaller(); u.setSchema(schema); CalculateBorrowingDataResponseType b = u.unmarshal(new StreamSource(xmlStream), CalculateBorrowingDataResponseType.class); </code></pre> <p>By the way, on this <em>schema-awareness-ness-document-builderness-awesomeness</em> there is a <em>lot</em> info in the top section of the <a href="http://docs.oracle.com/javase/7/docs/api/javax/xml/bind/Unmarshaller.html"><code>Unmarshaller</code> class' documentation</a>, you should definitely check that out!</p>

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