I'm not sure if I'm completing understanding your message but the app
servers I am familiar with provide http session failover, either persisting
the http sessions or replicating them in memory when running in cluster.
--
Tinou Bao
www.tinou.com
----- Original Message -----
From: "Rhodes, Phillip C." <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, May 25, 2001 6:17 PM
Subject: [EJB-INT] stateful session bean failover via jndi?
> I have a stateful session bean that represents a logged in user. The
> client that creates the stateful session bean is a servlet. My worry is
> that if the container that is holding this servlet goes down, I will lose
> the session bean reference. The user would then have to re-authenticate.
>
> In order for this to not happen, when the bean is created, I put the user
> object into jndi, bound to the sessionid of the http session of the user.
I
> intend to make my jndi tree a netscape ldap server (replicated)
>
> Now if the client would go down, a new client(a different servlet
container)
> would receive a request (with the session id), if it did not have a handle
> to the user stateful bean (stored in HTTPSession), it could call the
> UserHome object, with the session id. The user home object could then do
a
> JNDI lookup, get the user object and re-create the bean.
>
> I am trying to break the tie between the
> HTTP server, HTTP servlet container and the EJB container, so that if any
> part goes down, the user's session bean is not lost and can be re-created
or
> retrieved with the session id token.
>
> In addition to the case of an servlet container going down, this protects
me
> in the case that an application server goes down.
>
> I would like to be shoot down!! I appreciate some constructive criticism!
> Thanks,
>
> Phillip
>
>
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