Index: org/apache/jackrabbit/core/state/ChangeLog.java
===================================================================
--- org/apache/jackrabbit/core/state/ChangeLog.java	(revision 159342)
+++ org/apache/jackrabbit/core/state/ChangeLog.java	(working copy)
@@ -16,12 +16,12 @@
  */
 package org.apache.jackrabbit.core.state;
 
+import java.util.Iterator;
+import java.util.Map;
+
+import org.apache.commons.collections.SequencedHashMap;
 import org.apache.jackrabbit.core.ItemId;
 
-import java.util.Map;
-import java.util.HashMap;
-import java.util.Iterator;
-
 /**
  * Registers changes made to states and references and consolidates
  * empty changes.
@@ -31,22 +31,22 @@
     /**
      * Added states
      */
-    private final Map addedStates = new HashMap();
+    private final Map addedStates = new SequencedHashMap();
 
     /**
      * Modified states
      */
-    private final Map modifiedStates = new HashMap();
+    private final Map modifiedStates = new SequencedHashMap();
 
     /**
      * Deleted states
      */
-    private final Map deletedStates = new HashMap();
+    private final Map deletedStates = new SequencedHashMap();
 
     /**
      * Modified references
      */
-    private final Map modifiedRefs = new HashMap();
+    private final Map modifiedRefs = new SequencedHashMap();
 
     /**
      * A state has been added