Thanks for the note Steve. App Engine's session implementation uses memcache
and the datastore, and objects must implement Serializable to be stored in
either.

- Jason

On Fri, Sep 11, 2009 at 11:36 AM, Steve B. <[email protected]> wrote:

>
> I do not know if this is a bug or if it is already documented somewhere
> (I could not find this info when I searched):
>
> I just ran into a problem where session data worked fine in my local dev
> environment, but failed when I deployed to the App Engine.
>
> In the AppEngine logs I found a Runtime error
> "java.io.NotSerializableException". Seems that my Objects needed to
> implement java.io.Serializable.
>
> Just thought I would pass that along in case you ran into the same
> issue. It was not obvious (to me) as the log entries were only
> level.warning.
>
> Steve B.
>
>
> Jason (Google) wrote:
> > To use sessions, you first have to enable them:
> >
> http://code.google.com/appengine/docs/java/config/appconfig.html#Enabling_Sessions
> >
> > Once sessions are enabled, you work with them the same way you work with
> > sessions in other J2EE environments.
> >
> > - Jason
> >
> > On Wed, Sep 9, 2009 at 4:18 AM, zahid <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >
> >     Dear sir
> >     currently we are making an application host on GAE . So i have proble
> >     to mentain session give me any example of this
> >     best regard
> >     zahid
> >
> >
> >
> > >
>
>
> >
>

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"Google App Engine for Java" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to 
[email protected]
For more options, visit this group at 
http://groups.google.com/group/google-appengine-java?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to