Karaf child instance auto-start and Wrapper

["ajs6f@virginia.edu" <aj...@virginia.edu>]

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I've got a question about Karaf child instances and how they start (or don't).

My use case is as follows: I'd like to have a Karaf instance with one or more child instances, and I'd like the child instances to automatically start when the parent instance starts. The motivation is failure recovery. In the event of an OS or hardware failure, I'd like all the instances to come back up, without human intervention.

- From what I've seen of the behavior, child instances do _not_ automatically start when a parent instance does.

Is there a setting I can throw to influence this behavior (e.g. in the "instance.properties" file), or is it something I'll need to script at the OS level using the "admin" shell script?

Also, I'm wondering if anyone can tell me about the interaction of the Wrapper service and child instances. In other words, does the Wrapper watch and heartbeat child instances as well as the parent instance?

- ---
A. Soroka
Software & Systems Engineering :: Online Library Environment
the University of Virginia Library

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