Shashikanth VH

Bug fix in persistent set add item.

Change-Id: I0de6b27152b4384617689a1db05d9606baf79ec0
......@@ -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));
}
......