1 files changed, 5 insertions, 2 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/AbstractMappingStrategy.java b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/AbstractMappingStrategy.java
index 75b30ec31f..b82b65fe27 100644
--- a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/AbstractMappingStrategy.java
+++ b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/AbstractMappingStrategy.java
@@ -378,8 +378,11 @@ public abstract class AbstractMappingStrategy extends Lifecycle implements IMapp
     {
       return result;
     }
-
-    throw new ImplementationError("Class mapping not found for " + eClass.toString());
+    else
+    {
+      // create class mapping on demand ...
+      return createClassMapping(eClass);
+    }
   }
 
   public ITypeMapping createValueMapping(EStructuralFeature feature)