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When the doFilter method is invoked for a new session the static beans are added to the session's scope. So all the sessions for a given application share the same data info beans.

All the sessions for a given application share the same bean objects.

System user

Only logged in users can view the content provided by the tag files, i.e. the content of the data info database. Once a user is logged in he/she can create new groups and links. Some users can have special priviledges if they belong to the DataInfoAdmin group. In this case they can infact become system users and make changes to the datainfo table as well. Changes made by the system user propagate to all users.

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