--- a/src/java.desktop/macosx/classes/com/apple/eawt/_AppMenuBarHandler.java	Mon Aug 27 10:54:58 2018 -0700
+++ b/src/java.desktop/macosx/classes/com/apple/eawt/_AppMenuBarHandler.java	Fri Aug 31 18:05:38 2018 -0700
@@ -46,6 +46,7 @@
 
     private static native void nativeSetMenuState(final int menu, final boolean visible, final boolean enabled);
     private static native void nativeSetDefaultMenuBar(final long menuBarPeer);
+    private static native void nativeActivateDefaultMenuBar(final long menuBarPeer);
 
     static final _AppMenuBarHandler instance = new _AppMenuBarHandler();
     static _AppMenuBarHandler getInstance() {
@@ -78,26 +79,18 @@
 
     void setDefaultMenuBar(final JMenuBar menuBar) {
         installDefaultMenuBar(menuBar);
-        if (menuBar == null) {
-            return;
-        }
+    }
 
+    static boolean isMenuBarActivationNeeded() {
         // scan the current frames, and see if any are foreground
         final Frame[] frames = Frame.getFrames();
         for (final Frame frame : frames) {
             if (frame.isVisible() && !isFrameMinimized(frame)) {
-                return;
+                return false;
             }
         }
 
-        // if we have no foreground frames, then we have to "kick" the menubar
-        final JFrame pingFrame = new JFrame();
-        pingFrame.getRootPane().putClientProperty("Window.alpha", Float.valueOf(0.0f));
-        pingFrame.setUndecorated(true);
-        pingFrame.setVisible(true);
-        pingFrame.toFront();
-        pingFrame.setVisible(false);
-        pingFrame.dispose();
+        return true;
     }
 
     static boolean isFrameMinimized(final Frame frame) {
@@ -150,6 +143,11 @@
 
         // grab the pointer to the CMenuBar, and retain it in native
         ((CMenuBar) peer).execute(_AppMenuBarHandler::nativeSetDefaultMenuBar);
+
+        // if there is no currently active frame, install the default menu bar in the application main menu
+        if (isMenuBarActivationNeeded()) {
+            ((CMenuBar) peer).execute(_AppMenuBarHandler::nativeActivateDefaultMenuBar);
+        }
     }
 
     void setAboutMenuItemVisible(final boolean present) {

--- a/src/java.desktop/macosx/native/libawt_lwawt/awt/ApplicationDelegate.m	Mon Aug 27 10:54:58 2018 -0700
+++ b/src/java.desktop/macosx/native/libawt_lwawt/awt/ApplicationDelegate.m	Fri Aug 31 18:05:38 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,10 +35,10 @@
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 
 #import "CPopupMenu.h"
+#import "CMenuBar.h"
 #import "ThreadUtilities.h"
 #import "NSApplicationAWT.h"
 
-
 #pragma mark App Menu helpers
 
 // The following is a AWT convention?
@@ -201,11 +201,11 @@
 
     self.fPreferencesMenu = (NSMenuItem*)[appMenu itemWithTag:PREFERENCES_TAG];
     self.fAboutMenu = (NSMenuItem*)[appMenu itemAtIndex:0];
-    
+
     NSDockTile *dockTile = [NSApp dockTile];
     self.fProgressIndicator = [[NSProgressIndicator alloc]
                                 initWithFrame:NSMakeRect(3.f, 0.f, dockTile.size.width - 6.f, 20.f)];
-    
+
     [fProgressIndicator setStyle:NSProgressIndicatorBarStyle];
     [fProgressIndicator setIndeterminate:NO];
     [[dockTile contentView] addSubview:fProgressIndicator];
@@ -824,3 +824,23 @@
 
 JNF_COCOA_EXIT(env);
 }
+
+/*
+ * Class:     com_apple_eawt__AppMenuBarHandler
+ * Method:    nativeActivateDefaultMenuBar
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL Java_com_apple_eawt__1AppMenuBarHandler_nativeActivateDefaultMenuBar
+(JNIEnv *env, jclass clz, jlong cMenuBarPtr)
+{
+JNF_COCOA_ENTER(env);
+
+    CMenuBar *menu = (CMenuBar *)jlong_to_ptr(cMenuBarPtr);
+    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
+        if (menu) {
+            [CMenuBar activate:menu modallyDisabled:NO];
+        }
+    }];
+
+JNF_COCOA_EXIT(env);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/MenuBar/TestNoScreenMenuBar.java	Fri Aug 31 18:05:38 2018 -0700
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @key headful
+ * @bug 8146310
+ * @summary [macosx] setDefaultMenuBar does not initialize screen menu bar
+ * @author Alan Snyder
+ * @run main/othervm TestNoScreenMenuBar
+ * @requires (os.family == "mac")
+ */
+
+import java.awt.AWTException;
+import java.awt.Desktop;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import javax.swing.JMenu;
+import javax.swing.JMenuBar;
+import javax.swing.JMenuItem;
+import javax.swing.SwingUtilities;
+
+public class TestNoScreenMenuBar
+{
+    static TestNoScreenMenuBar theTest;
+    private Robot robot;
+    private boolean isApplicationOpened;
+    private boolean isActionPerformed;
+
+    public TestNoScreenMenuBar(String[] args)
+    {
+        try {
+            robot = new Robot();
+            robot.setAutoDelay(50);
+        } catch (AWTException ex) {
+            throw new RuntimeException(ex);
+        }
+
+        if (!(args.length > 0 && args[0].equals("baseline"))) {
+            // activate another application
+            openOtherApplication();
+            robot.delay(500);
+        }
+
+        // The failure mode is installing the default menu bar while the application is inactive
+        Desktop desktop = Desktop.getDesktop();
+        desktop.setDefaultMenuBar(createMenuBar());
+
+        robot.delay(500);
+        desktop.requestForeground(true);
+        robot.delay(500);
+    }
+
+    JMenuBar createMenuBar()
+    {
+        JMenuBar mb = new JMenuBar();
+        // A very long name makes it more likely that the robot will hit the menu
+        JMenu menu = new JMenu("TestTestTestTestTestTestTestTestTestTest");
+        mb.add(menu);
+        JMenuItem item = new JMenuItem("TestTestTestTestTestTestTestTestTestTest");
+        item.addActionListener(ev -> {
+            isActionPerformed = true;
+        });
+        menu.add(item);
+        return mb;
+    }
+
+    void dispose()
+    {
+        closeOtherApplication();
+        Desktop.getDesktop().setDefaultMenuBar(null);
+    }
+
+    private void performMenuItemTest()
+    {
+        // Find the menu on the screen menu bar
+        // The location depends upon the application name which is the name of the first menu.
+        // Unfortunately, the application name can vary based on how the application is run.
+        // The work around is to make the menu and the menu item names very long.
+
+        int menuBarX = 250;
+        int menuBarY = 11;
+        int menuItemX = menuBarX;
+        int menuItemY = 34;
+
+        robot.mouseMove(menuBarX, menuBarY);
+        robot.delay(100);
+        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        robot.delay(100);
+        robot.mouseMove(menuItemX, menuItemY);
+        robot.delay(100);
+        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        robot.waitForIdle();
+
+        waitForAction();
+    }
+
+    private synchronized void waitForAction()
+    {
+        try {
+            for (int i = 0; i < 10; i++) {
+                if (isActionPerformed) {
+                    return;
+                }
+                wait(100);
+            }
+        } catch (InterruptedException ex) {
+        }
+        throw new RuntimeException("Test failed: menu item action was not performed");
+    }
+
+    private void openOtherApplication() {
+        String[] cmd = { "/usr/bin/open", "/Applications/System Preferences.app" };
+        execute(cmd);
+        isApplicationOpened = true;
+    }
+
+    private void closeOtherApplication() {
+        if (isApplicationOpened) {
+            String[] cmd = { "/usr/bin/osascript", "-e", "tell application \"System Preferences\" to close window 1" };
+            execute(cmd);
+        }
+    }
+
+    private void execute(String[] cmd) {
+        try {
+            Process p = Runtime.getRuntime().exec(cmd);
+            p.waitFor();
+        } catch (IOException | InterruptedException ex) {
+            throw new RuntimeException("Unable to execute command");
+        }
+    }
+
+    private static void runSwing(Runnable r)
+    {
+        try {
+            SwingUtilities.invokeAndWait(r);
+        } catch (InterruptedException e) {
+        } catch (InvocationTargetException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void main(String[] args)
+    {
+        if (!System.getProperty("os.name").contains("OS X")) {
+            System.out.println("This test is for MacOS only. Automatically passed on other platforms.");
+            return;
+        }
+
+        System.setProperty("apple.laf.useScreenMenuBar", "true");
+        try {
+            runSwing(() -> theTest = new TestNoScreenMenuBar(args));
+            theTest.performMenuItemTest();
+        } finally {
+            if (theTest != null) {
+                runSwing(() -> theTest.dispose());
+            }
+        }
+    }
+}