Reinhard, thanks for the tip, is that option (serialize sessions) in the 
manager or in the admin ?
Or it is a value that need to be changed manually in server.xml or any props 
file ?

Thanks

Rodrigo Asensio 

-----Original Message-----
From: Reinhard Moosauer [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, March 14, 2006 9:04 AM
To: Tomcat Users List
Subject: Re: manager-remove/undeploy without losing sessions

Hi List,

I found something, that looked promising, but did not work.
Developers, please look, this could be a bug:

The deploy-task has an attribute "update", removes the context before 
re-installing it. I hoped that this one would do what I want.

But unfortunately, it is equivalent to undeploy/deploy so my sessions are gone 
again. :-(

Maybe I have to clarify, what I am doing with my sessions (for Rodrigo):

I have all session-attribute in my application serializable, so that tomcat can 
save all session data to disk when the context or tomcat itself is stopped.
At startup these serialized data is being read back by tomcat automatically. 
As a result, users can coutinue their work exactly where the are. 
(Except that the application is not available for 1-2 seconds. But it is still 
unlikely that a users fires a request just in this moment, at least for 
medium-frequency apps) Formerly, the persisted session data survived the 
remove, so I could re-install the app.

Please help!

Reinhard

Am Dienstag, 14. März 2006 13:53 schrieb Reinhard Moosauer:
> Hello List,
>
> recently I upgraded from tomcat 5.5.9 to 5.5.15 Since then, all my 
> sessions are lost after a remove/install via the manager.
>
> The problem is the following:
> I installed a war-file, which is copied to the webapps-folder during 
> manager-install. When I want to replace the war with a new version, I 
> _have_ to undeploy, which deletes my persistent sessions too.
>
> How can I get back the smooth behavior of 5.5.9, which allowed me an 
> application update on the fly without disturbing user sessions?
>
> many thanks in advance for your advice
>
> Reinhard
>
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