git: openjdk/jdk21u-dev: master: 8322239: [macos] a11y : java.lang.NullPointerException is thrown when focus is moved on the JTabbedPane

[Goetz Lindenmaier]

Changeset: 5431b82d
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-03-14 20:18:46 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/5431b82d06878cb6a9d0875c971bc481b69dca0b

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

Backport-of: 3b1062d45df69d4cf8479c6a65602bd2453ab885

! src/java.desktop/share/classes/javax/swing/JTabbedPane.java
+ test/jdk/javax/swing/JTabbedPane/TabbedPaneNPECheck.java