Reduced graph handles and thread locals
diff --git a/src/main/java/net/onrc/onos/util/GraphDBConnection.java b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
index 724095b..ee50cd0 100644
--- a/src/main/java/net/onrc/onos/util/GraphDBConnection.java
+++ b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
@@ -85,7 +85,7 @@
 	   }
 	   
 	   public void close() {
-		   
+		   graph.stopTransaction(Conclusion.SUCCESS);
 	   }
 	   
 }