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From Sumedh Sakdeo <sumedhsak...@gmail.com>
Subject Re: Apache Server failover and session replication
Date Wed, 02 Sep 2009 18:52:59 GMT
Hi Rainer,

I am using Tomcat session clustering and Apache Http Server for LB(using
mod_jk module).  Also, using Tomcat 6. I have made appropriate changes to
worker.properties and httpd.conf. Also I have made appropriate changes to
server.xml on each tomcat.

Thanks,
Sumedh

On Thu, Sep 3, 2009 at 12:15 AM, Rainer Jung <rainer.jung@kippdata.de>wrote:

> On 02.09.2009 19:57, Sumedh Sakdeo wrote:
> > Hello All,
> >             I have a setup with two tomcat instances(A&B). I have
> configured
> > an apache web server 2.2 for load balancing and fail over. Setup looks
> fine
> > as per the configurations suggested. Let tomcat A be handling some
> request
> > at sometime. When tomcat instance(A) goes down, the session is replicated
> to
> > another tomcat instance(B) successfully. Now tomcat instance B is
> handling
> > those requests. Till this point everything goes fine, but when I bring up
> > tomcat instance(A) and after that tomcat instance(B) goes down, the
> session
> > is no longer replicated. What might be the issue? In status page of
> apache
> > server I see even if node status is OK session is not replicated to fail
> > over node for second time.
>
> How do you replicate? Are you using Tomcat session clustering? Tomcat
> 5.5 or Tomcat 6?
>
> Regards,
>
> Rainer
>
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