That is awesome. I will take a look. 

Im curious. What is this FROM scratch? A base docker image? What would it have?

Regards,
Ricardo Parada



> 
> On Jan 31, 2026, at 6:04 AM, Ramsey Gurley <[email protected]> wrote:
> 
> Yep, that's removed in Wonder 8. That looked basically unused. You'd have to 
> go out of your way to use it. Coming soon :) I'm currently removing a 
> dependency on an old json-lib in ERRest now, but I'm almost there. I was 
> hoping to finish up this month, but it didn't quite happen. Glad to hear 
> someone is interested in containers other than me. I already have a 
> bare-metal "FROM scratch" Java app archetype that I put together years ago. 
> I'll apply that to wonder-archetypes quite soon. Stay tuned.
> 
>> On 1/30/26 11:32 PM, Ricardo Parada via Webobjects-dev wrote:
>> Good morning,
>> 
>> Has anybody updated Wonder’s ERXSignalHandler so that it doesn’t rely on 
>> sun.misc.*?
>> 
>> It seems to be used by ERXEC’s registerOpenEditingContextLockSignalHandler() 
>> which registers for “HUP”.
>> 
>> Also sun.misc.SignalHandler is extended by ERXGracefulShutdown.
>> 
>> In the cloud world environment, e.g.  AWS/EKS/EC2, an app almost never needs 
>> SIGHUP anymore.
>> 
>> Kubernetes EKS does not use HUP
>> It uses SIGTERM first to request a graceful shutdown. Then after a grace 
>> period, SIGKILL if the process does not exit.
>> 
>> EC2 (systemd) also avoids HUP
>> 
>> Systemd service units use SIGTERM for graceful stop.
>> 
>> A WebObjects app on EKS or EC2 should not expect or need HUP.
>> 
>> JVM Shutdown Hooks
>> 
>> Java allows you to register clean up code that executes when JVM begins 
>> shutdown.
>> 
>> Runtime.getRuntime().addShutdownHook(new Thread(() -> { … }));
>> 
>> They will execute when SIGTERM (graceful termination) is requested. SIGINT 
>> when process receives ctrl+C.
>> 
>> They will not execute if SIGKILL is received (kill -9) or when JVM crashes 
>> due to fatal signals (SIGSEGV, etc.)
>> 
>> Anyways, it seems it could be updated to used java’s shutdown hooks and play 
>> better in modern Java and cloud world.
>> 
>> Has anybody updated wonder to migrate away from sun.misc?
>> 
>> Thank you
>> Ricardo Parada
>> 
>> 

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