Index: jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/conversion/CachingNameResolver.java
===================================================================
--- jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/conversion/CachingNameResolver.java	(revision 1469305)
+++ jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/conversion/CachingNameResolver.java	(working copy)
@@ -90,6 +90,9 @@
      * @throws NamespaceException if the namespace URI can not be resolved
      */
     public String getJCRName(Name name) throws NamespaceException {
+    	if (name.getNamespaceURI().length() == 0) {
+    		return name.getLocalName();
+    	}
         String jcrName = (String) cache.get(name);
         if (jcrName == null) {
             jcrName = resolver.getJCRName(name);