Using Servlets with WebLogic Server Clustering

Clustering, discussed in Chapter 13, is important functionality that allows for redundancy and task balancing across multiple pieces of independent hardware and/or processes. For a WebLogic Server deployment, it is necessary to design your hardware environment to accommodate clustering. Similarly, you must design your servlets and Web applications to work well in a cluster environment.

Persisting Session Information

It is highly desirable to protect users' session information in the event of hardware or software failure. For example, if you are storing your shopping carts in the user session, it is desirable to have other nodes in the cluster be aware of the session information in order to protect ...

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