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Web Component Certification (SCWCD/OCPJWCD)
Behavior of ServletContext VS Behavior of HttpSession
Joined: Oct 19, 2006
Jul 11, 2007 23:38:00
please tell me the difference between the "Behavior of ServletContext" VS "Behavior of HttpSession" in Distributed Environment?
Joined: May 30, 2006
Jul 12, 2007 00:14:00
In a distributed environment,
Each JVM will have a separate ServletContext. So you cannot depend on the Conetext level attributes while sharing attribute information
But the Session object is shared between all the JVM's present in the environment. You can
this out by implementing the HttpSessionActivationListener on your attributes.
The attributes will be passivated and then activated when they move from one server to another but in this case your attributes must be serializable.
I agree. Here's the link:
subject: Behavior of ServletContext VS Behavior of HttpSession
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parameter vs attributes?
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