Success complication 
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
index 85fd618..ec8065c 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
@@ -160,7 +160,7 @@
 		datagrid.registerArpEventHandler(this);
 		
 		deviceStorage = new DeviceStorageImpl();
-		deviceStorage.init("");
+		deviceStorage.init("","");
 		
 		Timer arpTimer = new Timer("arp-processing");
 		arpTimer.scheduleAtFixedRate(new TimerTask() {