Index: src/jorphan/org/apache/jorphan/collections/HashTree.java
===================================================================
--- src/jorphan/org/apache/jorphan/collections/HashTree.java	(revision 1178103)
+++ src/jorphan/org/apache/jorphan/collections/HashTree.java	(working copy)
@@ -979,10 +979,12 @@
         if (list().size() == 0) {
             visitor.processPath();
         } else {
-            Iterator<?> iter = list().iterator();
-            while (iter.hasNext()) {
-                Object item = iter.next();
-                final HashTree treeItem = getTree(item);
+            Set<Map.Entry<Object, HashTree>> entrySet = data.entrySet();
+            for (Iterator<Map.Entry<Object, HashTree>> iterator = entrySet.iterator(); iterator.hasNext();) {
+                Entry<Object, HashTree> entry =  iterator
+                        .next();
+                Object item = entry.getKey();
+                final HashTree treeItem = entry.getValue();
                 visitor.addNode(item, treeItem);
                 treeItem.traverseInto(visitor);
             }