--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/OopField.java	2018-01-16 19:52:50.957060277 +0900
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/OopField.java	2018-01-16 19:52:50.803057616 +0900
@@ -54,7 +54,8 @@
     if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
       throw new InternalError(obj.toString());
     }
-    return obj.getHandle().getOopHandleAt(getOffset());
+
+    return VM.getVM().getUniverse().heap().oop_load_at(obj.getHandle(), getOffset());
   }
 
   public Oop getValue(VMObject obj) {