On Thu, 16 Oct 2025 09:25:34 GMT, Prasanta Sadhukhan <[email protected]>
wrote:
> Test fails in GTKLookAndFeel with NPE
>
> java.lang.NullPointerException
> at javax.swing.border.BevelBorder.<init>(BevelBorder.java:78)
> at javax.swing.BorderFactory.createBevelBorder(BorderFactory.java:155)
> at
> com.sun.java.swing.plaf.motif.MotifInternalFrameTitlePane$Title.<init>(MotifInternalFrameTitlePane.java:325)
>
>
> because `BorderFactory.createBevelBorder` tries to use brighter shade of
> highlight and shadow color which it tries to obtain from
> `UIManager.getColor("activeCaptionBorder")` and
> `UIManager.getColor("inactiveCaptionBorder")` both of which are not defined
> in GTK L&F as caption border are not used there
>
> Fix is made to not use these color to create BevelBorder if these colors are
> not present..
src/java.desktop/share/classes/javax/swing/BorderFactory.java line 156:
> 154: */
> 155: public static Border createBevelBorder(int type, Color highlight,
> Color shadow) {
> 156: if (highlight != null && shadow != null) {
Should we update the doc about `null` case too ?
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PR Review Comment: https://git.openjdk.org/jdk/pull/27839#discussion_r2438628809