May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise Edition
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Troubleshooting
Loading Problems
| Q1: | Why do I get a ClassNotFoundException when I load my applet? |
| If your applet is in your classpath, you're probably missing some of the EJB classes. If you are using WebLogic, try using /classes/ as your codebase (make sure you copy your applet into the WebLogic classes directory). Otherwise, you should make a directory containing all your EJB classes. |
Runtime Problems
| Q1: | Why do I get security exceptions when I run my applet? |
| Your EJB server might require the applet to do something it's not allowed to do. You can use the code signing technique to sign your code, or just change your security policy to trust classes loaded from the URL where you're loading your servlet. | |
| Q2: | Why can't my applet find an initial context ... |
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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.