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what is session expunging?was asked this question in an interview?

senthil sen
Ranch Hand

Joined: Oct 10, 2002
Posts: 184
how would we avoid session from being expunged?
i was asked this question in an interview?
Dominic Paquette
Ranch Hand

Joined: Dec 13, 2002
Posts: 64
I know 2 ways:
in code
session.setMaxInactiveInterval(-1);
or in the web.xml
<sesssion-config>
<session-timeout>-1</session-timeout>
</session-config>

Dominic
senthil sen
Ranch Hand

Joined: Oct 10, 2002
Posts: 184
thanks for ur reply,but i wanna to know the theory and logic of the concept session expunged??that word is new to me.,,
Dominic Paquette
Ranch Hand

Joined: Dec 13, 2002
Posts: 64
I think expunging a session means invalidating a session. Either it timesout or you can explicitlly invalidate it using HttpSession.invalidate();
Hope this helps
Dominic
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: what is session expunging?was asked this question in an interview?