May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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How Sessions Work
Now that you see that servlets and Java Server Pages can support sessions, you can take a step back and look at how the sessions work. When the servlet engine creates a session, it sends a session identifier (also referred to as a session key earlier in this chapter) back to the browser in the form of a cookie. Again, the cookie is just a piece of information that the browser sends back to the server whenever it asks the server for a page.
Usually, for a session, the cookie disappears when the Web browser is shut down.
A browser can, however, save cookies to disk, so that when the browser starts up again it still knows about the cookies it had when it was shut down. Because sessions are typically short-lived, and because shutting ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.