RFR: 8264677 MemoryLeak: Progressindicator leaks, when treeShowing is false

Sat Apr 3 15:59:15 UTC 2021

On Sat, 3 Apr 2021 15:51:11 GMT, Florian Kirmaier <fkirmaier at openjdk.org> wrote:

>> Is this a recent regression, or has this case been failing for a long time?
>
> I think it's failing since a long time. But i haven't tested it.
> It must be, because before the other leak should "shadow" this leak.

Before, ProgressIndicator was basically leaking every time, this is a very rare special case. 
Because very few people add invisible ProgressIndicators. 
I think in the application, it was put slightly delayed visible, but because the task was finished even faster, it never became really visible. So in the affected project it was basically triggered by a rare timing.

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PR: https://git.openjdk.java.net/jfx/pull/455