src/jdk/nashorn/internal/objects/NativeJSAdapter.java

*** 732,739 ****
      public ScriptObject getAdaptee() {
          return adaptee;
      }
  
      private static MethodHandle findOwnMH(final String name, final Class<?> rtype, final Class<?>... types) {
!         return MH.findStatic(MethodHandles.lookup(), NativeJSAdapter.class, name, MH.type(rtype, types));
      }
  }
--- 732,743 ----
      public ScriptObject getAdaptee() {
          return adaptee;
      }
  
      private static MethodHandle findOwnMH(final String name, final Class<?> rtype, final Class<?>... types) {
!         try {
!             return MethodHandles.lookup().findStatic(NativeJSAdapter.class, name, MH.type(rtype, types));
!         } catch (final NoSuchMethodException | IllegalAccessException e) {
!             throw new AssertionError(e);
!         }
      }
  }