--- a/jdk/src/share/classes/javax/swing/JInternalFrame.java	Wed Jul 15 19:05:18 2009 +0400
+++ b/jdk/src/share/classes/javax/swing/JInternalFrame.java	Thu Jul 16 20:12:14 2009 +0400
@@ -26,13 +26,10 @@
 package javax.swing;
 
 import java.awt.*;
-import java.awt.event.*;
 
 import java.beans.PropertyVetoException;
 import java.beans.PropertyChangeEvent;
-import java.util.EventListener;
 
-import javax.swing.border.Border;
 import javax.swing.event.InternalFrameEvent;
 import javax.swing.event.InternalFrameListener;
 import javax.swing.plaf.*;
@@ -40,7 +37,6 @@
 import javax.accessibility.*;
 
 import java.io.ObjectOutputStream;
-import java.io.ObjectInputStream;
 import java.io.IOException;
 import java.lang.StringBuilder;
 import java.beans.PropertyChangeListener;
@@ -1459,19 +1455,22 @@
             SwingUtilities2.compositeRequestFocus(getDesktopIcon());
         }
         else {
-            // FocusPropertyChangeListener will eventually update
-            // lastFocusOwner. As focus requests are asynchronous
-            // lastFocusOwner may be accessed before it has been correctly
-            // updated. To avoid any problems, lastFocusOwner is immediately
-            // set, assuming the request will succeed.
-            lastFocusOwner = getMostRecentFocusOwner();
-            if (lastFocusOwner == null) {
-                // Make sure focus is restored somewhere, so that
-                // we don't leave a focused component in another frame while
-                // this frame is selected.
-                lastFocusOwner = getContentPane();
+            Component component = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
+            if ((component == null) || !SwingUtilities.isDescendingFrom(component, this)) {
+                // FocusPropertyChangeListener will eventually update
+                // lastFocusOwner. As focus requests are asynchronous
+                // lastFocusOwner may be accessed before it has been correctly
+                // updated. To avoid any problems, lastFocusOwner is immediately
+                // set, assuming the request will succeed.
+                setLastFocusOwner(getMostRecentFocusOwner());
+                if (lastFocusOwner == null) {
+                    // Make sure focus is restored somewhere, so that
+                    // we don't leave a focused component in another frame while
+                    // this frame is selected.
+                    setLastFocusOwner(getContentPane());
+                }
+                lastFocusOwner.requestFocus();
             }
-            lastFocusOwner.requestFocus();
         }
     }
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/JInternalFrame/Test6505027.java	Thu Jul 16 20:12:14 2009 +0400
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6505027
+ * @summary Tests focus problem inside internal frame
+ * @author Sergey Malenkov
+ */
+
+import java.awt.AWTException;
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.KeyboardFocusManager;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import javax.swing.DefaultCellEditor;
+import javax.swing.JComboBox;
+import javax.swing.JDesktopPane;
+import javax.swing.JFrame;
+import javax.swing.JInternalFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.JTextField;
+import javax.swing.SwingUtilities;
+import javax.swing.WindowConstants;
+import javax.swing.table.DefaultTableModel;
+import javax.swing.table.TableColumn;
+
+public class Test6505027 implements Runnable {
+
+    private static final boolean INTERNAL = true;
+    private static final boolean TERMINATE = true;
+
+    private static final int WIDTH = 450;
+    private static final int HEIGHT = 200;
+    private static final int OFFSET = 10;
+    private static final long PAUSE = 2048L;
+
+    private static final String[] COLUMNS = { "Size", "Shape" }; // NON-NLS
+    private static final String[] ITEMS = { "a", "b", "c", "d" }; // NON-NLS
+    private static final String KEY = "terminateEditOnFocusLost"; // NON-NLS
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(new Test6505027());
+
+        Component component = null;
+        while (component == null) {
+            try {
+                Thread.sleep(PAUSE);
+            }
+            catch (InterruptedException exception) {
+                // ignore interrupted exception
+            }
+            component = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
+        }
+        if (!component.getClass().equals(JComboBox.class)) {
+            throw new Error("unexpected focus owner: " + component);
+        }
+        SwingUtilities.getWindowAncestor(component).dispose();
+    }
+
+    private JTable table;
+    private Point point;
+
+    public void run() {
+        if (this.table == null) {
+            JFrame main = new JFrame();
+            main.setSize(WIDTH + OFFSET * 3, HEIGHT + OFFSET * 5);
+            main.setLocationRelativeTo(null);
+            main.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
+            main.setVisible(true);
+
+            Container container = main;
+            if (INTERNAL) {
+                JInternalFrame frame = new JInternalFrame();
+                frame.setBounds(OFFSET, OFFSET, WIDTH, HEIGHT);
+                frame.setVisible(true);
+
+                JDesktopPane desktop = new JDesktopPane();
+                desktop.add(frame, new Integer(1));
+
+                container.add(desktop);
+                container = frame;
+            }
+            this.table = new JTable(new DefaultTableModel(COLUMNS, 2));
+            if (TERMINATE) {
+                this.table.putClientProperty(KEY, Boolean.TRUE);
+            }
+            TableColumn column = this.table.getColumn(COLUMNS[1]);
+            column.setCellEditor(new DefaultCellEditor(new JComboBox(ITEMS)));
+
+            container.add(BorderLayout.NORTH, new JTextField());
+            container.add(BorderLayout.CENTER, new JScrollPane(this.table));
+
+            SwingUtilities.invokeLater(this);
+        }
+        else if (this.point == null) {
+            this.point = this.table.getCellRect(1, 1, false).getLocation();
+            SwingUtilities.convertPointToScreen(this.point, this.table);
+            SwingUtilities.invokeLater(this);
+        }
+        else {
+            try {
+                Robot robot = new Robot();
+                robot.mouseMove(this.point.x + 1, this.point.y + 1);
+                robot.mousePress(InputEvent.BUTTON1_MASK);
+            }
+            catch (AWTException exception) {
+                throw new Error("unexpected exception", exception);
+            }
+        }
+    }
+}