June 2012
Intermediate to advanced
638 pages
20h 46m
English
book
WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
by Jan Bajerski, Davide Barillari, Libor Cada, Susan Hanson, Guo Liang Huang, Rispna Jain, Shishir Narain, Jennifer Ricciuti, Christian Steege
Content preview from WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
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Chapter 11. Application development and deployment 379
In this case, make sure that the objects stored in the HTTP session are compatible
between the two application releases.
Consider a case where a user is logged on and has a session on one application server.
That server is shut down for its application to be upgraded. The user is moved to another
server in the cluster and the user’s session is restored from the in-memory replica or from
a database. When the first server is upgraded, the second server is shut down. The user is
then moved back to the first server again. If the version 1 objects in the HTTP session in
memory are not compatible ...
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