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..
I don’t have a strong opinion on whether this is a test bug: using the Motif
L&F UI classes while GTK is active, a bug in the Motif UI class that assumes
these variables are always set, or a bug in BorderFactory.java as addressed by
this PR.
-------------
PR Comment: https://git.openjdk.org/jdk/pull/27839#issuecomment-3417915497
