--- old/agent/src/share/classes/sun/jvm/hotspot/memory/FreeList.java	Thu Jul  4 18:02:36 2013
+++ new/agent/src/share/classes/sun/jvm/hotspot/memory/FreeList.java	Thu Jul  4 18:02:33 2013
@@ -41,7 +41,7 @@
    }
 
    private static synchronized void initialize(TypeDataBase db) {
-      Type type = db.lookupType("FreeList");
+      Type type = db.lookupType("FreeList<FreeChunk>");
       sizeField = type.getCIntegerField("_size");
       countField = type.getCIntegerField("_count");
       headerSize = type.getSize();