Would there be a problem in using a hib session for a unique user session and using disconnect between interactions?

I have read the stuff about very short sessions but it effectively means that there is no caching at all (I think).

I was planning to use a hasmap of session objects that the session can be retrieved using the session id from the presentation side.

This doesn't on the face of it seem to contradict any of the advice in the documentations.

Are there any problems with this approach?

I am planning to use this in a clustered environment.

It depends on what you like to store in session.

What is time to stale of those data?


I store OSUser / OSproperty stuff in the session for long time,
but my users are allowed to login only once at a time, and their profile data do not change frequently.

Other data are retrieved from session opened /closed in filter,
and this session lives for the request.

Please read the Hibernate documentation and feature list. Hibernate has a two-level cache architecture.