Graph connection cannot be closed
diff --git a/src/main/java/net/onrc/onos/util/GraphDBConnection.java b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
index 2f30806..84a0501 100644
--- a/src/main/java/net/onrc/onos/util/GraphDBConnection.java
+++ b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
@@ -167,7 +167,7 @@
 	   }
 	   
 	   public void close() {
-		   graph.shutdown();
+//		   graph.shutdown();
 	   }
 	   
 }