src/macosx/classes/sun/lwawt/macosx/LWCToolkit.java

*** 42,51 ****
--- 42,52 ----
  import java.util.concurrent.Callable;
  import java.net.MalformedURLException;
  
  import sun.awt.*;
  import sun.awt.datatransfer.DataTransferer;
+ import sun.awt.util.ThreadGroupUtils;
  import sun.java2d.opengl.OGLRenderQueue;
  import sun.lwawt.*;
  import sun.lwawt.LWWindowPeer.PeerType;
  import sun.security.action.GetBooleanAction;
  
*** 68,78 ****
      // the easy way and just support up to 5 mouse buttons,
      // like Windows.
      private static final int BUTTONS = 5;
  
      private static native void initIDs();
! 
      private static CInputMethodDescriptor sInputMethodDescriptor;
  
      static {
          System.err.flush();
  
--- 69,79 ----
      // the easy way and just support up to 5 mouse buttons,
      // like Windows.
      private static final int BUTTONS = 5;
  
      private static native void initIDs();
!     private static native void initAppkit(ThreadGroup appKitThreadGroup, boolean headless);
      private static CInputMethodDescriptor sInputMethodDescriptor;
  
      static {
          System.err.flush();
  
*** 117,126 ****
--- 118,128 ----
  
      public LWCToolkit() {
          areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
          //set system property if not yet assigned
          System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
+         initAppkit(ThreadGroupUtils.getRootThreadGroup(), GraphicsEnvironment.isHeadless());
      }
  
      /*
       * System colors with default initial values, overwritten by toolkit if system values differ and are available.
       */
*** 164,174 ****
      }
  
      // This is only called from native code.
      static void systemColorsChanged() {
          EventQueue.invokeLater(() -> {
!             AccessController.doPrivileged ((PrivilegedAction<Object>) () -> {
                  AWTAccessor.getSystemColorAccessor().updateSystemColors();
                  return null;
              });
          });
      }
--- 166,176 ----
      }
  
      // This is only called from native code.
      static void systemColorsChanged() {
          EventQueue.invokeLater(() -> {
!             AccessController.doPrivileged( (PrivilegedAction<Object>) () -> {
                  AWTAccessor.getSystemColorAccessor().updateSystemColors();
                  return null;
              });
          });
      }