Re: [Wrapper-user] How to implement shutdown hook

[Riyaz S. <riy...@mi...>]

Hi,

Actually I switched back to the previous approach (integration method 1) and
adding shutdown hook in my main class.

...
Runtime.getRuntime ( ).addShutdownHook ( new Thread ( )
            {
                public void run ( )
                {
                    if ( logService.isInfoEnabled ( ) )
                    {
                        logService.info ( "shutting down the print service"
);
                    }
                    try
                    {
                        printService.stop();
                    }
                    catch ( ApplicationException e )
                    {
                        if ( logService.isErrorEnabled ( ) )
                        {
                            logService.error ( "error stopping print
service", null, null, e );
                        }
                    }
                }
            } );
...
Everything is working fine now.


Leif Mortenson-3 wrote:
> 
> Riyaz,
> Looking over your code, it appears to be written correctly with one
> exception.  The problem is that your MyWrapperApplication class does
> not define its own main method.  This means that it falls back to the
> WrapperSimpleApp class's main method which creates a WrapperSimpleApp
> instance, not a MyWrapperApplication instance.
> 
> Please add a method like the following to your class and it should
> start working:
>     public static void main( String args[] )
>     {
>         new MyWrapperApplication( args );
>     }
> 
> Please let me know if you still have problems getting it work and I
> will take another look.
> 
> Cheers,
> Leif
> 
> On Mon, Oct 12, 2009 at 3:38 PM, Riyaz Saiyed <riy...@mi...>
> wrote:
>>
>> Hi,
>>
>> I tried extending WrapperSimpleApp to implement stop method and added
>> some
>> debugging statements. It seems to be not executing. What is the best way
>> to
>> implement shutdown hook?
>>
>> class:
>> public class MyWrapperApplication extends WrapperSimpleApp
>> {
>>        ....
>>        ....
>>    @Override
>>    public int stop ( int exitCode )
>>    {
>>        if ( logService.isInfoEnabled ( ) )
>>        {
>>            logService.info ( "Print Service Shutting down." );
>>        }
>>        return super.stop ( exitCode );
>>    }
>> }
>>
>> configuration:
>> #********************************************************************
>> # Wrapper Properties
>> #********************************************************************
>> # Java Application
>> wrapper.java.command=java
>>
>> # Java Main class.  This class must implement the WrapperListener
>> interface
>> #  or guarantee that the WrapperManager class is initialized.  Helper
>> #  classes are provided to do this for you.  See the Integration section
>> #  of the documentation for details.
>> wrapper.java.mainclass=printservice.bootstrap.MyWrapperApplication
>>
>> # Java Classpath (include wrapper.jar)  Add class path elements as
>> #  needed starting from 1
>> wrapper.java.classpath.1=../wrapperLib/wrapper.jar
>> wrapper.java.classpath.2=../applicationLib/*.jar
>> wrapper.java.library.path.1=../wrapperLib
>>
>> # Java Library Path (location of Wrapper.DLL or libwrapper.so)
>>
>> # Java Additional Parameters
>>
>> # Initial Java Heap Size (in MB)
>> #wrapper.java.initmemory=3
>>
>> # Maximum Java Heap Size (in MB)
>> wrapper.java.maxmemory=64
>>
>>
>> -----
>> Regards,
>> Riyaz..
> 
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry(R) Developer Conference in SF, CA
> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay 
> ahead of the curve. Join us from November 9 - 12, 2009. Register now!
> http://p.sf.net/sfu/devconference
> _______________________________________________
> Wrapper-user mailing list
> Wra...@li...
> https://lists.sourceforge.net/lists/listinfo/wrapper-user
> 
> 


-----
Regards,
Riyaz..


-- 
View this message in context: http://www.nabble.com/How-to-implement-shutdown-hook-tp25851139p25874277.html
Sent from the Java Service Wrapper mailing list archive at Nabble.com.