RFR: 8322239: [macos] a11y : java.lang.NullPointerException is thrown when focus is moved on the JTabbedPane [v3]

[Alexey Ivanov]

On Wed, 14 Feb 2024 19:47:30 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> test/jdk/javax/swing/JTabbedPane/TabbedPaneNPECheck.java line 56:
>> 
>>> 54:             SwingUtilities.invokeAndWait(me::test);
>>> 55:         } finally {
>>> 56:             if (mainFrame != null) {
>> 
>> should be disposed on EDT.
>
> done.

This is not thread-safe, the condition `if (mainFrame != null)` should also be inside `invokeAndWait`.

Maybe create a method to use method reference: `invokeAndWait(me::dispose)`? In this case, `mainFrame` could be made instance field.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17736#discussion_r1489994180