[MRM-1807] Archiva wrapper fail to start: add values in default-archiva.xml

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1571882 13f79535-47bb-0310-9956-ffa450edef68

archiva-modules/archiva-base/archiva-configuration/src/main/resources/org/apache/archiva/configuration/default-archiva.xml

@@ -142,4 +142,14 @@
     </ui>
   </webapp>
 
+  <redbackRuntimeConfiguration>
+    <userManagerImpls>
+      <userManagerImpl>jdo</userManagerImpl>
+    </userManagerImpls>
+    <rbacManagerImpls>
+      <rbacManagerImpl>cached</rbacManagerImpl>
+    </rbacManagerImpls>
+  </redbackRuntimeConfiguration>
+
+
 </configuration>