Re: [Py4j-users] Starting/stopping py4j server from within python?

[Barthelemy D. <bar...@in...>]

Hi,

it depends on your use case. Most of the examples start a server in
the Java main method so if you do gateway.shutdown() on the Python
side, it will (1) send a shutdown signal on the Java side, (2) the
Java server will stops, and (3) because there are no more active
threads, the JVM will exit.

You can even do something harsher from Python:

gateway.jvm.System.exit(0)

Does that help?

Barthelemy

On Mon, Dec 8, 2014 at 3:46 PM, Thomas Nyberg <tom...@gm...> wrote:
> Hello,
>
> What would be the best way for me to start and stop the py4j server from
> within python? I know I could use
>
>  > os.system("java ...")
>
> to start the server. I guess I would need a subprocess for that not to
> block. Then to stop it I could send it a kill signal. Is this the best
> way to do it? Is there a way for me to do this in a less
> directly-managed fashion? This is okay for me, but the users of what I'm
> making probably would have trouble...
>
> Cheers,
> Thomas
>
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