Load Balancing + JDBC Session Persistence

["Drouin.Mathieu" <Ma...@cic.gc.ca>]

Hello everyone,

I'd like to load balance 2 (or more) tomcat instances while using JBDC
session persistence to allow sharing of session information between
several applications (contexts).

I know it's going against the j2ee servlet spec but I have specific
requirements that demand such an environment.

I use emptySessionPath="true" to be able use the same jsessionid when
switching between contexts.

I have several questions regarding this approach...

1. Pitfalls and things I should be watching for by using this approach?

2. Is there a way of eliminating or rigging that "app_name" column in
the JDBC store so that I can retrieve a session by id just by using
request.getSession() and thus circumventing the whole context isolation
issue?

3. Also, http://tomcat.apache.org/tomcat-5.5-doc/config/manager.html
mentions that "the implementation has not been thoroughly tested, and
should be considered experimental!". Is it still in experimental mode?

Thanks :)

Mat

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