1 files changed, 5 insertions, 5 deletions
diff --git a/aai-traversal/src/main/java/org/onap/aai/transforms/MapTraverser.java b/aai-traversal/src/main/java/org/onap/aai/transforms/MapTraverser.java
index 9091998..36c453a 100644
--- a/aai-traversal/src/main/java/org/onap/aai/transforms/MapTraverser.java
+++ b/aai-traversal/src/main/java/org/onap/aai/transforms/MapTraverser.java
@@ -19,14 +19,13 @@
  */
 package org.onap.aai.transforms;
 
-
-import joptsimple.internal.Objects;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.collections.MapUtils;
+
 public class MapTraverser {
 
     private Converter converter;
@@ -37,8 +36,9 @@ public class MapTraverser {
 
     public Map<String, Object> convertKeys(Map<String, Object> map){
 
-        Objects.ensureNotNull(map);
-
+        if (MapUtils.isEmpty(map)) {
+        	throw new NullPointerException("map cannot be null");
+        }
         Map<String, Object> modifiedMap = new HashMap<String, Object>();
         convertKeys(map, modifiedMap);