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From Michael Gentry <>
Subject Re: Session Replication
Date Wed, 05 May 2010 20:57:15 GMT
My experience with Tapestry (4 & 5) serializing a DataObject to the
HTML (which it does by default when you have a loop in a form) is that
the deserializing of the DataObject (on the subsequent
request/response) gives you a DataObject that is disassociated from
the DataContext (not good).  Perhaps if the DataContext went along for
the ride all would be well ...



On Wed, May 5, 2010 at 4:53 PM, Mike Kienenberger <> wrote:
> No direct experience, but I know you can serialize DataObjects and I'm
> 99% certain you can serialize DataContexts.   I think I did this in
> one project in the past to preserve state between requests rather than
> saving state in the sessions.
> On Wed, May 5, 2010 at 4:37 PM, Michael Gentry <> wrote:
>> Someone on another project here asked me if Cayenne works with session
>> replication (with 1+ user DataContext objects in the HttpSession)
>> between application servers (such as JBoss).  They have a project
>> where they are running N instances of JBoss and they replicate/sync
>> the session data across the JBoss instances.  They are curious if the
>> DataContext + DataObjects will replicate correctly.  I've never
>> attempted to do so and am not sure.  Does anyone have experience with
>> this?
>> Thanks!
>> mrg

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