RFR: 8293862: javax/swing/JFileChooser/8046391/bug8046391.java failed with 'Cannot invoke "java.awt.Image.getWidth(java.awt.image.ImageObserver)" because "retVal" is null' [v4]

[Tejesh R]

On Sun, 8 Jan 2023 09:09:56 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > I have tested in headful system multiple time, never reproduced this issue...... Can timing affect in headless and not in headful......?
> 
> It should not. Does it actually have any dependency on "headful" envirement? The native code we used does not create any UI element or something like that. It is better to debug it on the same/similar config/system where the bug is reproduced, since as far as I understand it is not a rare case.

I don't think there is any dependency on "headful". The occurrence was very random, like sometime issue used to show up repeatedly for test runs, and the very next week there were no occurrences, and the occurrence was not fixed for any particular path/folder, it used to vary (For headful). I was able to debug and understand that backup mechanism failed at random intervals, so had to conclude that it had to something to do with headful.

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PR: https://git.openjdk.org/jdk/pull/11104