7193219: JComboBox serialization fails in JDK 1.7

Reviewed-by: rupashka, anthony

src/share/classes/javax/swing/AncestorNotifier.java

 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, 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
@@ -45,7 +45,7 @@ import java.io.Serializable;
 @SuppressWarnings("serial")
 class AncestorNotifier implements ComponentListener, PropertyChangeListener, Serializable
 {
-    Component firstInvisibleAncestor;
+    transient Component firstInvisibleAncestor;
     EventListenerList listenerList = new EventListenerList();
     JComponent root;
 

test/javax/swing/AncestorNotifier/7193219/bug7193219.java

+/*
+ * Copyright (c) 2012, 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 7193219
+   @summary JComboBox serialization fails in JDK 1.7
+   @author Anton Litvinov
+*/
+
+import java.io.*;
+
+import javax.swing.*;
+
+public class bug7193219 {
+    private static byte[] serializeGUI() {
+        // Create and set up the window.
+        JFrame frame = new JFrame("Serialization");
+        JPanel mainPanel = new JPanel();
+
+        /**
+         * If JComboBox is replaced with other component like JLabel
+         * The issue does not happen.
+         */
+        JComboBox status = new JComboBox();
+        status.addItem("123");
+        mainPanel.add(status);
+        frame.getContentPane().add(mainPanel);
+        frame.pack();
+
+        try {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            ObjectOutputStream oos = new ObjectOutputStream(baos);
+            oos.writeObject(mainPanel);
+            oos.flush();
+            frame.dispose();
+            return baos.toByteArray();
+        } catch (IOException ioe) {
+            throw new RuntimeException(ioe);
+        }
+    }
+
+    private static void deserializeGUI(byte[] serializedData) {
+        try {
+            ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(serializedData));
+            JPanel mainPanel = (JPanel)ois.readObject();
+            JFrame frame = new JFrame("Deserialization");
+            frame.getContentPane().add(mainPanel);
+            frame.pack();
+            frame.dispose();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        SwingUtilities.invokeAndWait(new Runnable() {
+            @Override
+            public void run() {
+                deserializeGUI(serializeGUI());
+            }
+        });
+    }
+}