RFR: 8349105: Pagination: exception initializing in a background thread [v2]

[Kevin Rushforth]

On Fri, 7 Feb 2025 18:41:53 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

>> ## Root Cause
>> Animation gets started in a background thread, which causes the animation handler to run in the FX application thread, thus creating simultaneous access to the control's fields (list of children in this case).
>> 
>> ## Solution
>> Postpone the animation unless running in the FX application thread.  There is no functional difference if the component is created/used in the FX application thread.
>
> Andy Goryachev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'master' into 8349105.thread.safety.pagination
>  - postpone animation

I also see the OOM on Mac.

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PR Comment: https://git.openjdk.org/jfx/pull/1698#issuecomment-2644140495