On Thu, 12 Jun 2025 03:23:30 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..

I feel it's better to inform the user in the spec otherwise application may not 
know what will be done with NULL image

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PR Comment: https://git.openjdk.org/jdk/pull/25767#issuecomment-2965288096

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