hakkers

Shutdown Patterns in Akka 2

hakkers:

I’ve seen a question pop up a number of times on the Akka Mailing List that looks something like: "How do you tell Akka to shut down the ActorSystem when everything’s finished?" It turns out that there’s no magical flag for this, no configuration setting, no special callback you can register for, and neither will the illustrious shutdown fairy grace your application with her glorious presence at that perfect moment. She’s just plain mean.

In this post, we’ll discuss why this is the case and provide you with a simple option for shutting down “at the right time”, as well as a not-so-simple-option for doing the exact same thing.

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