Re: [Wrapper-user] questions about "Method 3 - WrapperListener Integration"

[Christian M. <chr...@ta...>]

Hello Hugo,

thank you very much for your interest in the Java Service Wrapper.

The start() function is being called from the WrapperManager during startup
and is the place where you can initiate the startup of your application.

The return value of the start function indicates the result of the startup,
whereas for instance, 'null' indicates a successful start-up and thereafter
the state engine of the Wrapper will switch to 'started'. If any other
value than null is returned then this indicates that the start-up has
failed and the Wrapper will stop and initiate the shutdown return value
also indicates the exit code of the Wrapper.

If the start method is not returning anything but calling for instance
System.exit(), the JVM naturally will shutdown, trigger it's shutdown hooks
etc. Since the JVM is already shutting down, the stop() function of your
WrapperListener implantation won't be called unless
wrapper.listener.force_stop isn't set to TRUE.

Please let me know if you have any further questions.

Thank you,

Christian Mueller
Tanuki Software, Ltd.


On Fri, Dec 14, 2012 at 6:11 PM, hug...@tr... <
hug...@tr...> wrote:

>  Dears, ****
>
> I am a new guy of the Java Service Wrapper,****
>
> I would like to ask some questions about "Method 3 - WrapperListener
> Integration",****
>
> ** **
>
> I created a main class like this sample code:****
>
>
> http://wrapper.tanukisoftware.com/doc/english/integrate-listener.html#mainMethod
> ****
>
> ** **
>
> but It always launch wrapper start and then stop immediately even if I do
> nothing in start() function just return null,****
>
> Is this normal process?****
>
> ** **
>
> ** **
>
> And I saw the following info:****
>
> http://wrapper.tanukisoftware.com/doc/english/prop-listener-force-stop.html
> ****
>
> ** **
>
> When FALSE, the stop method will be called only if the start method
> returned a value of "NULL" prior to the shutdown process being started.***
> *
>
> Are there any relationship with the wrapper.listener.force_stop property?*
> ***
>
> ** **
>
> Could I only launch the start() function without calling stop function
> immediately?****
>
> And keep the windows service status in “started”****
>
> Thanks.****
>
> ** **
>
> Best Regards ****
>
> Hugo.****
>
> ** **
>
> ** **
>
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