Index: jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/value/AbstractQValueFactory.java
===================================================================
--- jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/value/AbstractQValueFactory.java	(revision 806112)
+++ jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/value/AbstractQValueFactory.java	(working copy)
@@ -37,6 +37,8 @@
 import org.apache.jackrabbit.spi.commons.name.NameFactoryImpl;
 import org.apache.jackrabbit.spi.commons.name.PathFactoryImpl;
 import org.apache.jackrabbit.util.ISO8601;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 
 /**
  * <code>AbstractQValueFactory</code>...
@@ -44,6 +46,11 @@
 public abstract class AbstractQValueFactory implements QValueFactory {
 
     /**
+     * default logger
+     */
+    private static final Logger log = LoggerFactory.getLogger(AbstractQValueFactory.class);
+
+    /**
      * the default encoding
      */
     public static final String DEFAULT_ENCODING = "UTF-8";
@@ -66,7 +73,8 @@
             return new QValue[]{create(UUID.randomUUID().toString(), PropertyType.STRING)};
 
         } else {
-            throw new RepositoryException("createFromDefinition not implemented for: " + name);
+            log.warn("No default values for: " + name);
+            return null;
         }
     }