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
Versioning Problems
| Q1: | All I did was change a method; why can't I deserialize my data anymore? |
| Any change to a class makes it incompatible with the previous version unless you use the serialVersionUID field. |
Networking Problems
| Q1: | Why won't my client and server talk to each other when using object streams? |
| You must make absolutely sure that you flush the ObjectOutputStreamafter you create it (before you write any data). It writes some header information that the ObjectInputStream constructor tries to read. |
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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.