On Thu, 23 Oct 2025 02:20:33 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..
>
> Prasanta Sadhukhan has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Update doc

ok updated test to set Motif

-------------

PR Comment: https://git.openjdk.org/jdk/pull/27839#issuecomment-3434937149

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