Fix bug matching compute node name

Change-Id: Ifcc36a1f47a7f137d771d5fcafaabd64960e3e86
diff --git a/apps/xos-integration/src/main/java/org/onosproject/xosintegration/OnosXOSIntegrationManager.java b/apps/xos-integration/src/main/java/org/onosproject/xosintegration/OnosXOSIntegrationManager.java
index faa8ea5..21603d5 100644
--- a/apps/xos-integration/src/main/java/org/onosproject/xosintegration/OnosXOSIntegrationManager.java
+++ b/apps/xos-integration/src/main/java/org/onosproject/xosintegration/OnosXOSIntegrationManager.java
@@ -338,7 +338,7 @@
         JsonObject json = JsonObject.readFrom(jsonString);
 
         if (json.get("computeNodeName") != null) {
-            ConnectPoint point = nodeToPort.get(json.get("computeNodeName"));
+            ConnectPoint point = nodeToPort.get(json.get("computeNodeName").asString());
 
             provisionFabric(VlanId.vlanId(Short.parseShort(newTenant.vlanId())),
                             point);