RFR: 8263788: JavaFX application freezes completely after some time when using the WebView

[Kevin Rushforth]

On Tue, 20 Apr 2021 10:31:59 GMT, PrimosK <github.com+1519324+PrimosK at openjdk.org> wrote:

>> Issue: Java application (with WebView) will completely freeze after using it for a while.
>> 
>> Fix: Use native isMainThread functions instead of JNI call.
>
> We've created another production build and it seems to be working fine! Application doesn't hang anymore! Sorry for false alarm - it looks like our previous production build procedure had flaws (might be I've checked out wrong pull request).
> 
> BTW - thank you guys for all hard work needed to fix this one.

@PrimosK Good to hear. Thank you for your help in verifying the fix. Arun will integrate the fix once a second reviewer has approved it.

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PR: https://git.openjdk.java.net/jfx/pull/461