Starting and stopping an RMI server
I'm trying to figure out how to best stop and start my server.
My server class has two executions. One for starting and one for stopping.
Start Steps:
1) create my remote object ( an extension of UnicastRemoteObject )
2) create a registry ( LocateRegistry.create() )
3) bind my remote object
When I run this start method of my RMI server class, everything get's set up. I'm not doing any sort of waiting loop or anything to determine the lifecycle of my server. My understanding is that my rmiregistry, and my registered remote object, will continue to be available indefinitely. Perhaps this is incorrect.
Stop Steps:
When I want to stop the server, I'm calling my stop method. This is another invocation of my server class, so it's a separate JVM. In this stop method I want to do the following steps:
1) get the registry that I created earlier, by port number
2) get my remote object via reg.lookup()
3) unbind my remote obect ( reg.unbind() )
4) unexport my remote object ( UnicastRemoteObject.unexport ( myRemoteObj, true ) )
My concerns here are whether this makes sense. Does the unexport method work like this? i.e. from a remote handle to the object -- I'm not in the local JVM when the stop method runs. Also, does the rmiregistry "just die" at this point? It's not holding anything and when my method exits there's no reference to it anywhere. Except maybe in client code . . .
My understanding is that my rmiregistry, and my registered remote object, will continue to be available indefinitely. Perhaps this is incorrect.That's correct as long as you store static references to them both in the server JVM.
My concerns here are whether this makes sense. Does the unexport method work like this? i.e. from a remote handle to the objectNo. You have to have the actual remote object. You could make shutdown() an RMI method itself.
Also, does the rmiregistry "just die" at this point?No, you have to unexport that as well.
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"blazix" <[email protected]> wrote in message
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