I discussed this with Mik and Jason at TSS Symposium but i just wanted to
post it here so it doesn't get lost:

I thinke there might be an issue with the IoC approach when using Webwork in
a cluster.
As i understand it you can declaratively specify that an object should live
in the Session scope, and then have an Action implement an *Aware interface
so your Action gets the object from session set

The problem is that in a cluster (alteast on Orion and Weblogic) you need to
explicitly set the object back in the HTTPSession if it has changed, because
the servers need to know when you have changed an object in order to notify
other servers in the cluster (usually through multicasting).

The simple solution to this is to explicitly set the object back in the
HTTPSession after the execute() method is called. The overhead is minimal
and it will then work in a cluster.

sincerely
morten wilken



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