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From Filip Hanik - Dev Lists <devli...@hanik.com>
Subject Re: Horizontal Cluster Session Persistence during Failover
Date Thu, 17 Sep 2009 16:40:34 GMT
serverB is not receiving multicast packets from serverA
solutions:
1. fix multicasting
2. use static memberships

Filip

On 09/14/2009 09:06 AM, Alexander Bacon wrote:
> Even though my servers are configured identically (except for
> jvmRoutes), they're behaving differently.
>
> If the session begins on ServerA and then ServerA crashes, it will
> switch to ServerB and the session will not be lost.
> If the session begins on ServerB and crashes, it will begin a new
> session on ServerA.
>
> They both have the distributable tag. (From my understanding, this
> seems to be a potential cause.)
>
> In ServerB's log files:
> INFO: Manager [/test-app]: skipping state transfer. No members active
> in cluster group.
>
> The message:
> INFO: Replication member
> added:org.apache.catalina.tribes.membership.MemberImpl[...]
> is only appearing in ServerA's log files.
>
> I've found several tutorials on the web that have some similar goals
> and success in their implementations, but in trying to piece together
> their processes to have it work for me, I've had some issues resolving
> the discrepancies in their suggestions.
>
> The environment I'm using:
> Windows Server 2003
> Tomcat 6.0.20
> Apache HTTP Server 2.2.11
> JK 1.2.28 Connector
>
> Thanks for your time.
>
> -Alexander
>
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>
>    


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