On Fri, 4 Jul 2025 09:54:54 GMT, Alexey Ivanov <aiva...@openjdk.org> wrote:
>> test/jdk/javax/swing/JMenuItem/RightLeftOrientation.java line 92:
>>
>>> 90: JMenuBar menuBar = new JMenuBar();
>>> 91:
>>> 92:
>>> menuBar.add(createMenu("javax.swing.plaf.metal.MetalLookAndFeel",
>>
>> I tried to extend the test (with this PR changes included) for all installed
>> L&Fs and then create the menu for each L&F.
>>
>> UIManager.LookAndFeelInfo[] lafs =
>> UIManager.getInstalledLookAndFeels();
>> for (final UIManager.LookAndFeelInfo lafInfo : lafs) {
>> System.out.println("installed laf className : " +
>> lafInfo.getClassName());
>> System.out.println("installed laf Name : " + lafInfo.getName());
>> menuBar.add(createMenu(lafInfo.getClassName(),
>> lafInfo.getName()));
>> }
>>
>> Then the test failed with this exception
>>
>> java.lang.NullPointerException: Cannot invoke
>> "java.awt.Font.hashCode()" because "font" is null
>> at
>> java.desktop/sun.font.FontDesignMetrics$MetricsKey.init(FontDesignMetrics.java:213)
>> at
>> java.desktop/sun.font.FontDesignMetrics.getMetrics(FontDesignMetrics.java:282)
>> at
>> java.desktop/sun.swing.SwingUtilities2.getFontMetrics(SwingUtilities2.java:1235)
>>
>> Otherwise the RBMI and CBMI does contain the icon after the fix.
>
> This is similar to the exception that I got
> [above](https://github.com/openjdk/jdk/pull/25907#issuecomment-3001288429).
> It's just a result of mixing several L&Fs at the same time.
Yes but it was not supposed to come when
`SwingUtilities.updateComponentTreeUI(frame)` is used to update all UI
components.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/25907#discussion_r2184932515
