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Date: Wed, 16 Nov 2005 15:03:59 +0100
From: Michael Niemaz <Michael.Niemaz@xrce.xerox.com>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: tomcat and wbs
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Hi and thanx again.
I played a lot with the listener and also the <servlet> tag.
Both lead me to this question:
Is Axis keeping a reference of the according web service that I could reach?
The reason is I can't instanciate 'yourService' from the listener 
because obscur reasons ;-)
So I wonder if there was a getWebService/getServlet method, which 
obviously I did not find, or a kind of workaround to achieve the same goal?

Thanx,

--mike

Reynir Hubner wrote:

>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>hi,
>you need to insert something like this :
><listener>
>	<listener-class>
>	com.your.package.YourContextListener
>	</listener-class>
></listener>
>
>your servlet class might look something like this :
>import javax.servlet.*;
>
>public final class MyContextListener implements ServletContextListener
>{
>    private ServletContext context = null;
>    public void contextInitialized(ServletContextEvent event) {
>        this.context = event.getServletContext();
>	yourService.start();
>    }
>    public void contextDestroyed(ServletContextEvent event) {
>        this.context = null;
>	yourService.stop();
>    }
>}
>
>
>hope it helps
>- -reynir
>
>
>
>
>
>Michael Niemaz wrote:
>  
>
>>Thanx Reynir, it helps ... although I wouldn't mind if you could give me
>>more details ;-)
>>I have many web services that are initialised only when invoked the
>>first time.
>>I must admit that this init part looks a bit confused to me.
>>Any example based on servlet or singleton would be very much appreciated
>>;-)
>>
>>Thanx,
>>
>>--mike
>>
>>Reynir Hubner wrote:
>>
>>there are several implementations of webservices available. the one most
>>successfull is axis from apache, you should read all about it on the
>>axis website..
>>http://ws.apache.org/axis/
>>
>>of course it dependes on what you are going to do, but starting some
>>service at application-startup can be done via web.xml (of your
>>application) either by a custom listener or servlet loading up your
>>service, sometimes done by using a singleton.
>>
>>hope it helps
>>-reynir
>>
>>
>>Michael Niemaz wrote:
>> 
>>
>>    
>>
>>>>>Hi all,
>>>>>  Could someone explain me or point me to an explanation of how tomcat
>>>>>initialize web services? I'd like to initialize them automatically at
>>>>>tomcat start-up instead of just before their invocation.
>>>>>
>>>>>Thanx,
>>>>>
>>>>>--mike
>>>>>
>>>>>---------------------------------------------------------------------
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>>>>>
>>>>>
>>>>>  
>>>>>          
>>>>>
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