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:
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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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