This section covers the following topics:
For information about configuring default session properties for the entire web container, see Chapter 7, Java EE Containers, in Sun Java System Application Server Platform Edition 9 Administration Guide.
Make sure that multiple threads don’t simultaneously modify the same session object in conflicting ways.
This is especially likely to occur in web applications that use HTML frames where multiple servlets are executing simultaneously on behalf of the same client. A good solution is to ensure that one of the servlets modifies the session and the others have read-only access.