08:49:00,442 ERROR [org.modeshape.jcr.SequencingRunner] (modeshape-sequencer-8-thread-3) The 'xml-sequencer' sequencer of repository 'artifacts' had an error while processing '/files/Test/pom.xml/jcr:content/jcr:data' in workspace 'default' and generating output '/derived/xml/Test': javax.jcr.NamespaceException: There is no namespace with URI "http://maven.apache.org/POM/4.0.0"
	at org.modeshape.sequencer.xml.XmlSequencerHandler.startElement(XmlSequencerHandler.java:491)
	at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(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 __redirected.__XMLReaderFactory.parse(__XMLReaderFactory.java:183) [jboss-modules.jar:1.2.0.CR1-redhat-1]
	at org.modeshape.sequencer.xml.XmlSequencer.execute(XmlSequencer.java:133)
	at org.modeshape.jcr.SequencingRunner.run(SequencingRunner.java:224) [modeshape-jcr-3.4.0.Final.jar:3.4.0.Final]
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [classes.jar:1.6.0_51]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [classes.jar:1.6.0_51]
	at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_51]
Caused by: javax.jcr.NamespaceException: There is no namespace with URI "http://maven.apache.org/POM/4.0.0"
	at org.modeshape.jcr.JcrNamespaceRegistry.getPrefix(JcrNamespaceRegistry.java:152) [modeshape-jcr-3.4.0.Final.jar:3.4.0.Final]
	at org.modeshape.jcr.JcrSession.getNamespacePrefix(JcrSession.java:1546) [modeshape-jcr-3.4.0.Final.jar:3.4.0.Final]
	at org.modeshape.sequencer.xml.XmlSequencerHandler.createAttributeName(XmlSequencerHandler.java:500)
	at org.modeshape.sequencer.xml.XmlSequencerHandler.startElement(XmlSequencerHandler.java:463)