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From "Mohammed Salih" <linus...@gmail.com>
Subject Re: [users@httpd] balancer-manager gui issue
Date Mon, 12 May 2008 12:35:40 GMT
Hi there,

The answer is simple. The Apache balancer module will not check if the
tomcat is operational or not until it gets a new request for the
tomcat or backend servers.

There is no watch dog facility like those seen in hardware load
balancers in Apache.

Cheers.
Salih
On Thu, May 8, 2008 at 6:55 PM, Narendra Verma
<narendra.verma@impetus.co.in> wrote:
>
>
>
>
> Hi all;
>
> I am using Apache2.2.8 as a load balancer (using mod_proxy) and tomcat5.5 as
> backend servers.
>
> Now every thing is working fine but issue is in balancer-manager gui of
> apache.
>
>
>
> For this I configured:
>
> Location /balancer-manager>
>
>     SetHandler balancer-manager
>
>     Order Deny,Allow
>
>     Deny from all
>
>     # allow from particular host from where an user can access this
> balancer-manager GUI.
>
>     Allow from 192.168.99.29
>
>  </Location>
>
>
>
> I write steps here where issue is coming :
>
>
>
> 1. Both tomcats are running.
>
> 2. Open balancer manager gui
>
> 3. This shows status properly
>
>    means   'ok'
>
> 4. if I close one tomcat than for this it shows
>
>        status  'err'
>
>     then fine
>
> 5. if I again up tomcat that I closed recently
>
>    and I refresh balancer-manager gui then again it shows status 'err' for
> that tomcat .
>
>    even I open a new browser and hit to balancer manager gui still it gives
> status 'err'.
>
>
>
>
>
> So issue is if I up the tomcat then this gui must change the status,
>
> How this can be done or is it issue related to balancer manager gui.
>
> Or can I change somewhat related to it.
>
>
>
> Please reply its  a production issue..
>
>
>
> Thanks
>
> Narendra
>
>

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