Can't restart my app with the latest JDK, regression.

[John Hendrikx]

Hi,

Does that Temurin build contain JavaFX, or is it just a new Temurin 
build?  Did you change anything else besides the JDK used?  You could 
try other JDK's (openjdk, corretto, etc) as well.

Is there anything being logged that may indicate what went wrong?

That all said, it seems really unlikely this is related to JavaFX.

If System.exit(0) is killing both the new and old application, then it 
wasn't really spawned independently, so you can look into that (you 
could put a delay there, and see with a tool like `top` or Task Manager 
says, and see whether the restarted app is a child process or not).

It's also possible the problem is in the tools/settings used to create 
the ".exe", so see if you changed anything there.

For more info, tips or other ways of doing restarts: 
https://stackoverflow.com/questions/4159802/how-can-i-restart-a-java-application

--John


On 04/02/2024 02:49, Davide Perini wrote:
> Hi there,
> my JavaFX 21.0.2 app experienced a very weird regression when 
> switching from Temurin
> OpenJDK21U-jdk_x64_windows_hotspot_21.0.1_12
> to
> OpenJDK21U-jdk_x64_windows_hotspot_21.0.2_13
>
> I use this method to restart my app.
>
> public void restart() {
>      // path to my exe app plus one string argument
>      String[] cmdToRunUsingArgs = {"C:\Users\sblantipodi\AppData\Local\Firefly Luciferin\Firefly 
> Luciferin.exe","string argument"};
>      try {
>          Runtime.getRuntime().exec(cmdToRunUsingArgs);
>      }catch (SecurityException | IOException e) {
>          log.error(e.getMessage());
>      }
>      javafx.application.Platform.exit();
>      System.exit(0);
> }
>
> It worked well since years until JDK 21.0.2_13.
> If I revert back to 21.0.1_12 it works well.
>
> That method should start a new instance of the app, and close the "old 
> instance".
>
> With JDK 21.0.2_13, it closed the running instance but does not open a 
> new instance.
>
> I don't know if open a bugreport to JDK but before opening the bug 
> report I would like to ask you if that method to restart the app is 
> correct or if you think that I can use a better way.
>
> Thanks
> Davide
>
>
>
>
>
>
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