--- a/jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthToolBarUI.java	Thu Jan 21 13:27:56 2016 +0530
+++ b/jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthToolBarUI.java	Thu Jan 21 13:41:02 2016 +0530
@@ -471,7 +471,7 @@
                 // be distributed among the "glue", if any
                 int extraSpacePerGlue = 0;
                 if (glueCount > 0) {
-                    int minWidth = minimumLayoutSize(parent).width;
+                    int minWidth = preferredLayoutSize(parent).width;
                     extraSpacePerGlue = (tb.getWidth() - minWidth) / glueCount;
                     if (extraSpacePerGlue < 0) extraSpacePerGlue = 0;
                 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/LookAndFeel/8146276/NimbusGlueTest.java	Thu Jan 21 13:41:02 2016 +0530
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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
+ * @bug 8146276
+ * @summary Right aligned toolbar component does not appear
+ * @run main NimbusGlueTest
+ */
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import javax.swing.Box;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JToolBar;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
+import java.awt.Robot;
+import javax.swing.UnsupportedLookAndFeelException;
+
+public class NimbusGlueTest {
+
+    private static JFrame frame;
+    private static Robot robot;
+    private static volatile String errorMessage = "";
+    private static JToolBar bar;
+
+    public static void main(String[] args) throws Exception {
+        robot = new Robot();
+        UIManager.LookAndFeelInfo[] lookAndFeelArray
+                = UIManager.getInstalledLookAndFeels();
+        for (UIManager.LookAndFeelInfo lookAndFeelItem : lookAndFeelArray) {
+            String lookAndFeelString = lookAndFeelItem.getClassName();
+            if (tryLookAndFeel(lookAndFeelString)) {
+                createUI();
+                performTest();
+                robot.waitForIdle();
+            }
+        }
+        if (!"".equals(errorMessage)) {
+            throw new RuntimeException(errorMessage);
+        }
+    }
+
+    private static boolean tryLookAndFeel(String lookAndFeelString) {
+        try {
+            UIManager.setLookAndFeel(lookAndFeelString);
+            return true;
+        } catch (UnsupportedLookAndFeelException | ClassNotFoundException |
+                InstantiationException | IllegalAccessException e) {
+            errorMessage += e.getMessage() + "\n";
+            System.err.println("Caught Exception: " + e.getMessage());
+            return false;
+        }
+    }
+
+    private static void performTest() throws Exception {
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                try {
+                    int width = 0;
+                    for (Component comp : bar.getComponents()) {
+                        width += comp.getWidth();
+                    }
+                    if (width > 600) {
+                        errorMessage = "Test Failed";
+                    }
+                } finally {
+                    frame.dispose();
+                }
+
+            }
+        });
+    }
+
+    private static void createUI() throws Exception {
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                frame = new JFrame();
+                bar = new JToolBar();
+                bar.add(createButton(1));
+                bar.add(createButton(2));
+                bar.add(Box.createHorizontalGlue());
+                bar.add(createButton(3));
+                frame.add(bar, BorderLayout.NORTH);
+                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                frame.setSize(600, 400);
+                frame.setVisible(true);
+            }
+        });
+    }
+
+    private static JButton createButton(int id) {
+        JButton b = new JButton("B: " + id);
+        b.setPreferredSize(new Dimension(60, b.getPreferredSize().height));
+        return b;
+    }
+}