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From Bocalinda <bocali...@gmail.com>
Subject Re: Connection between ListenerStart and clustering
Date Sat, 03 Oct 2009 19:19:12 GMT
Wow, that's what is called a quick turn around! :)
Thanks. I'll try as soon as possible and let you know.

2009/10/3 Rainer Jung <rainer.jung@kippdata.de>

> On 03.10.2009 18:11, Bocalinda wrote:
> > Hi Rainer.
> >
> > <wild guess>
> >> I remember problems with clustering which were of the following kind:
> >> session replication data was received on a node although the context
> >> wasn't yet fully initialized.
> >>
> >> Maybe we run into classloader troubles in that case?
> >>
> >> This could only happen if another node in the cluster is running all the
> >> time between stop and restart of the node, which logs the exception.
> >>
> >> This could certainly be the case as I have 4 nodos in cluster. I
> > stop/restart one by one, in order to ensure the availability of the
> webapp.
> >
> >
> >> How easy can your reproduce the problem? In case I provide a patch,
> >> could you test, whether the problem goes away?
> >> </wild guess>
> >>
> >>
> > Taking into account that this is a production server, it won't be easy to
> > play with it, but I can propose to take 2 nodes out of the cluster to do
> > testing with.
>
> You can find a patched catalina-ha.jar and in case you are interested
> also the respective source code file at
>
>
> http://people.apache.org/~rjung/patches/tc6-cluster-context-startup-order.zip<http://people.apache.org/%7Erjung/patches/tc6-cluster-context-startup-order.zip>
>
> I did a one to one port from TC 5.5 to TC 6.0. So please test carefully
> and let us know the results, so we can include the patch into the
> standard code in case it proves it helps.
>
> Regards,
>
> Rainer
>
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