src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/linker/BrowserJSObjectLinker.java

*** 43,53 ****
  
  /**
   * 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 final String JSOBJECT_CLASS = "netscape.javascript.JSObject";
      // not final because this is lazily initialized
      // when we hit a subclass for the first time.
      private static volatile Class<?> jsObjectClass;
      private final NashornBeansLinker nashornBeansLinker;
--- 43,61 ----
  
  /**
   * A Dynalink linker to handle web browser built-in JS (DOM etc.) objects.
   */
  final class BrowserJSObjectLinker implements TypeBasedGuardingDynamicLinker {
!     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.
      private static volatile Class<?> jsObjectClass;
      private final NashornBeansLinker nashornBeansLinker;
*** 67,77 ****
          }
  
          // check if this class is a subclass of JSObject
          Class<?> clazz = type;
          while (clazz != null) {
!             if (clazz.getClassLoader() == myLoader &&
                  clazz.getName().equals(JSOBJECT_CLASS)) {
                  jsObjectClass = clazz;
                  return true;
              }
              clazz = clazz.getSuperclass();
--- 75,85 ----
          }
  
          // check if this class is a subclass of JSObject
          Class<?> clazz = type;
          while (clazz != null) {
!             if (clazz.getClassLoader() == extLoader &&
                  clazz.getName().equals(JSOBJECT_CLASS)) {
                  jsObjectClass = clazz;
                  return true;
              }
              clazz = clazz.getSuperclass();