Delete Cache When Web Browser Is Closed?

Oct 13, 2010

I have issue about multiple login in

Case this happen:

User X login as "user1" in web browser.
Then user Y also login as "user1" also in another web browser.
User Y got error message "Another user log in some account".

That is work as expected.

If X, close their web browser. Then try again to login in as "user1".
X get also get "Another user log in some account".

So i trying debug then i found session is remove when web browser is close, but cache still remaining in web browser.

how to clear cache when user close their browser, (not tab).

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