--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GenCollectedHeap.java	2018-02-21 22:19:55.903047216 +0100
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GenCollectedHeap.java	2018-02-21 22:19:55.687039823 +0100
@@ -54,12 +54,10 @@
 
     youngGenField = type.getAddressField("_young_gen");
     oldGenField = type.getAddressField("_old_gen");
+    youngGenSpecField = type.getAddressField("_young_gen_spec");
+    oldGenSpecField = type.getAddressField("_old_gen_spec");
 
     genFactory = new GenerationFactory();
-
-    Type collectorPolicyType = db.lookupType("GenCollectorPolicy");
-    youngGenSpecField = collectorPolicyType.getAddressField("_young_gen_spec");
-    oldGenSpecField = collectorPolicyType.getAddressField("_old_gen_spec");
   }
 
   public GenCollectedHeap(Address addr) {