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From Stéphane Hanser <s.han...@omegames.com>
Subject RE: Maven And Load Balancing deployment
Date Mon, 22 Oct 2007 16:26:19 GMT
Thanks a lot, I used the jkstatus and added url calls in my deployment
process. Everything works fine, my app is now available even while I'm
redeploying it

Stéphane

-----Message d'origine-----
De : Rainer Jung [mailto:rainer.jung@kippdata.de] 
Envoyé : lundi 22 octobre 2007 17:16
À : Tomcat Users List
Objet : Re: Maven And Load Balancing deployment

You can tell the mod_jk load balancer to disable or stop workers 
temporarily via a status worker. There is a docs page for the status 
worker, which also describes the URL structure.

We also have an ant task "jkstatus", that can be used to combine ant 
with the mod_jk status worker. There might be small functional gaps 
between the status worker and the jkstatus ant task, because the status 
worker had some big improvements a while ago, and jkstatus is in the 
process of catching up.

Regards,

Rainer

Stéphane Hanser wrote:
> Hello everybody,
> 
>  
> 
> I’m currently working on a webapp using tomcat as application server. As
we
> got a lot of users and the server was not able to handle them all alone,
we
> run 2 instances of tomcat and we use load balancing through a
> workers.properties file in apache2 directory.
> 
>  
> 
> I need to redeploy my application often and I would like to make it
without
> cutting the access to users. In order to do that, I use maven to redeploy
> the application on each instance, one after the other.
> 
>  
> 
> This works fine but the load balancer doesn’t detect that an instance is
> being unavailable and still tries to redirect to it (and it displays a
blank
> page).
> 
>  
> 
> So here is my question: is there a way for the load balancer to detect
that
> it should not use one instance the time it’s being redeployed?
> 
>  
> 
> Thanks in advance,
> 
>  
> 
> Stéphane

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