Index: jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/nodetype/EffectiveNodeTypeImpl.java
===================================================================
--- jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/nodetype/EffectiveNodeTypeImpl.java	(revision 479643)
+++ jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/nodetype/EffectiveNodeTypeImpl.java	(working copy)
@@ -457,6 +457,11 @@
          * don't know which one is applicable, we check all of them
          */
         QItemDefinition[] defs = getNamedItemDefs(name);
+
+        if (defs == null || defs.length == 0) {
+            defs = getUnnamedItemDefs();
+        }
+        
         if (defs != null) {
             for (int i = 0; i < defs.length; i++) {
                 if (defs[i].isMandatory()) {