SCOUT-62 : insert empty TModelBag if TModelBag is null

git-svn-id: https://svn.apache.org/repos/asf/webservices/scout/trunk@658811 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scout/src/main/java/org/apache/ws/scout/registry/RegistryImpl.java b/scout/src/main/java/org/apache/ws/scout/registry/RegistryImpl.java
index 64b34a1..87e3ed8 100644
--- a/scout/src/main/java/org/apache/ws/scout/registry/RegistryImpl.java
+++ b/scout/src/main/java/org/apache/ws/scout/registry/RegistryImpl.java
@@ -654,7 +654,9 @@
 
 		if (tModelBag != null) {
 			request.setTModelBag(tModelBag);
-		}
+		} else {
+			request.setTModelBag(TModelBag.Factory.newInstance());
+ 		}
 
 		if (findQualifiers != null) {
 			request.setFindQualifiers(findQualifiers);