October 2002
Beginner
816 pages
23h 32m
English
book
Sams Teach Yourself BEA WebLogic Server 7.0™ in 21 Days
by Mandar S. Chitnis, Lakshmi Ananthamurthy, Pravin S. Tiwari
Content preview from Sams Teach Yourself BEA WebLogic Server 7.0™ in 21 Days
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Q&A
| Q1: | In servlet chaining, if the servlet to which the request is to be delegated is not loaded—that is, not active in the WebLogic Server—what will happen? |
| A1: | If the servlet to which the request is forwarded is not active in the WebLogic Server, the ServletContext object's method getServlet(servletname) will return a null object reference. To safeguard against this scenario, the calling servlet should check whether the called servlet object's reference is valid. In a scenario where the called servlet is not active, the calling servlet can still forward the request to the called servlet in a roundabout way. The calling servlet is allowed to open socket connections. Hence, it can open a java.net.URLConnection() object that passes the URL of ... |
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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.