From 1f1c6eef5652b56531320dcc4dec4712f1741b56 Mon Sep 17 00:00:00 2001
From: Shashikanth VH <shashikanth.vh@huawei.com>
Date: Wed, 27 Apr 2016 20:05:07 +0530
Subject: [PATCH] Bug fix in persistent set add item.

Change-Id: I0de6b27152b4384617689a1db05d9606baf79ec0
---
 .../java/org/onosproject/persistence/impl/PersistentSet.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/store/persistence/src/main/java/org/onosproject/persistence/impl/PersistentSet.java b/core/store/persistence/src/main/java/org/onosproject/persistence/impl/PersistentSet.java
index 19279d8587..067329c83c 100644
--- a/core/store/persistence/src/main/java/org/onosproject/persistence/impl/PersistentSet.java
+++ b/core/store/persistence/src/main/java/org/onosproject/persistence/impl/PersistentSet.java
@@ -112,7 +112,7 @@ public class PersistentSet<E> implements Set<E> {
 
     @Override
     public boolean add(E item) {
-        checkNotNull("Item to be added cannot be null.");
+        checkNotNull(item, "Item to be added cannot be null.");
         return items.add(serializer.encode(item));
     }