December 2009
Intermediate to advanced
416 pages
10h
English
Content preview from Tomcat 6 Developer's GuideBecome 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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Servlet lifecycle
The process of adding a wrapper to its context causes the wrapper's start() method to be invoked. A key task of this method is to set its available member to zero.
This member indicates the time (in milliseconds) when a servlet is expected to be ready to serve requests. If this is zero, the servlet is ready and able to serve. If it is a positive value, then the servlet is expected to be available at the specified future time, and requests for it are handled by returning an SC_SERVICE_UNAVAILABLE response. On the other hand, a servlet whose available member is set to Long.MAX_VALUE is considered to be permanently unavailable, and requests are responded to with an SC_NOT_FOUND error.
As we saw in the last chapter, servlets can also ...
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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.