On Thu, 12 Jun 2025 06:34:09 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org>
wrote:
>> When trying to call 'icon.setImage(null);' where 'icon' is an instance of
>> ImageIcon, a null pointer exception is thrown at runtime.
>> The code tried to get the `id` for that image and instantiates
>> `MediaTracker` to associate the null image to that `id` and checks the
>> status of loading this null image, removes the null image from the tracker
>> and then tries to get the image width where it throws NPE as image is null.
>>
>> It's better to not go through all MediaTracker usage and bail out initially
>> itself for null image..
>
> Prasanta Sadhukhan has updated the pull request incrementally with one
> additional commit since the last revision:
>
> javadoc
src/java.desktop/share/classes/javax/swing/ImageIcon.java line 374:
> 372: */
> 373: public void setImage(Image image) {
> 374: if (image == null) {
don't we need to update the actual image icon of imageicon to null? similar to
how constructor/and other methods works when they get "null-image"?
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/25767#discussion_r2143336731
