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kotlinlang

Hey,
I'm running into issues while deployment when using `helidon` as server. In my service I have multiple calls to upstream services (using `okhttp` ).
But during deployment in k8s I'm facing that `helidon` will kill all running requests (`Closed by interrupt`) even when I sleep first in my shutdown hook.
So far I understand `helidon` has it's own shutdown hook registered by default. Would be nice to support in addition graceful stopmode to overcome that kind of issue.

Created a PR for that, but not sure about potential missing tests? Any opinions? <https://github.com/http4k/http4k/pull/1364>

Happy to add it. There is a test for graceful shutdown test that needs updating as well:
```
class HelidonStopTest : ServerStopContract(Helidon, JettyClient(), {
    enableImmediateStop()
})```

Thanks, wasn't aware of them - will add the graceful part :smile:

Hey <@U4H0M349G> I'm looking right now into <https://github.com/http4k/http4k/pull/1364>
Do you have any suggestions where to start?
`gradle :http4k-server-shutdown-integration-test:integrationTests --rerun-tasks`  is successful on my machine - even when changing docker limits to 4 CPUs.