Re: Prevent JVM from starting again and again

Sure, I tried using RUNJVA interactively and I found passing parameter to
be cumbersome... seems it does not like parameter length above 256 chars?
Anyways, do you mean you are calling Java methods/class within RPGLE and
its not causing new JVM to be started? I am thinking to implement it as
last resort... appreciate your reply...

On Tue, Sep 4, 2018 at 10:54 PM, Justin Taylor <[email protected]> wrote:

> FWIW, the RUNJVA CL command can run Java apps and could probably be
> substituted for QSH.  I haven't used RUNJVA since 7.1 (or earlier), but
> when I did it started a new JVM for every call.
>
> We're an RPG shop, so I'd just write an RPG program that would call all
> the Java apps, and that would reuse the same JVM.  I can't say about an OS
> command/API, since I've never needed one.
>
> HTH
>
>
>
> -----Original Message-----
> From: Madie [mailto:[email protected]]
> Sent: Monday, September 03, 2018 2:46 PM
> To: Java Programming on and around the IBM i <Java400-l-Zwy7GipZuJhWk0Htik3J/[email protected]>
> Subject: Prevent JVM from starting again and again
>
> Hi Group,
>
> I am calling Java class in a CL program using QSH command... it seems its
> starting JVM for each call which is not so good for performance, is there a
> way to prevent this so JVM is started once and then all future call is
> handled by started JVM instance? Also, when CL is called interactively it
> will mandatory ask for ENTER to close the QSH session, can this be
> prevented? Appreciate any help !
>
> Regards,
> M
>
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