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hi I am Abhijit. I coded this small module which uses session. But i want the logout functionality. Thus i used invalidate() function . This is my code

The rest is working good, it is printing the name - value pair in the while loop
My main concern is how to write a code which is based on login-logout function . If somebody help me it is very good for me.
When I click logout link it is going to login page, but when i again click the back button of the browser, it is again going back to the previous page instead of redirecting to the same login page
so please help me
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For Log out functionality you need to kill the session using invalidate method.like as follow

the below article is good example for login and logout.

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Eclipse IDE Spring Java
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The OP is already doing session.invalidate(). When you click back, you see the logged in page back, it's most probably the cached page been shown by the browser. So, we need to restrict the browser caching.
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