Hi Marton. Yes, you need to explicitly call setAttribute() when you modify
any object in the session. Otherwise, the object won't be updated in App
Engine's cache/datastore, which are the mechanisms it uses to back sessions
- Jason
On Thu, Sep 3, 2009 at 2:11 AM, Marton Papp mapr...@gmail.com
Have you enabled session ? By default it is read-only.
WEB-INF/appengine-web.xml.
sessions-enabledtrue/sessions-enabled
http://code.google.com/appengine/docs/java/config/appconfig.html
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Enabling Sessions
App Engine includes an implementation of sessions, using the servlet
session