--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/BrowserJSObjectLinker.java	2014-12-04 19:42:58.864289537 +0530
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/BrowserJSObjectLinker.java	2014-12-04 19:42:58.740288928 +0530
@@ -45,7 +45,15 @@
  * A Dynalink linker to handle web browser built-in JS (DOM etc.) objects.
  */
 final class BrowserJSObjectLinker implements TypeBasedGuardingDynamicLinker {
-    private static final ClassLoader myLoader = BrowserJSObjectLinker.class.getClassLoader();
+    private static ClassLoader extLoader;
+    static {
+        extLoader = BrowserJSObjectLinker.class.getClassLoader();
+        // in case nashorn is loaded as bootstrap!
+        if (extLoader == null) {
+            extLoader = ClassLoader.getSystemClassLoader().getParent();
+        }
+    }
+ 
     private static final String JSOBJECT_CLASS = "netscape.javascript.JSObject";
     // not final because this is lazily initialized
     // when we hit a subclass for the first time.
@@ -69,7 +77,7 @@
         // check if this class is a subclass of JSObject
         Class<?> clazz = type;
         while (clazz != null) {
-            if (clazz.getClassLoader() == myLoader &&
+            if (clazz.getClassLoader() == extLoader &&
                 clazz.getName().equals(JSOBJECT_CLASS)) {
                 jsObjectClass = clazz;
                 return true;