See http://mail.openjdk.java.net/pipermail/serviceability-dev/2009-October/001591.html


diff --git a/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java b/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
--- a/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
+++ b/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
@@ -57,7 +57,10 @@ public class JavaStatic {
             id = ((JavaObjectRef)value).getId();
         }
         value = value.dereference(snapshot, field);
- if (value.isHeapAllocated()) {
+ if (value.isHeapAllocated() &&
+ clazz.getLoader() == snapshot.getNullThing()) {
+ // static fields are only roots if they are in classes
+ // loaded by the root classloader.
             JavaHeapObject ho = (JavaHeapObject) value;
             String s = "Static reference from " + clazz.getName()
                        + "." + field.getName();