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
Form and Form Variable Names
| Q1: | I clicked the Submit button, but the form won't load. |
| Aside from the obvious spelling errors in the action attribute of the <FORM>, you must also make sure that the capitalization action attribute matches the name of the form JSP. Even if you are running under Windows, Java is case sensitive, so you can run into problems if you try to invoke a JSP using capitalization that is different from the actual filename. | |
| Q2: | My form variable values are null. |
| Usually the reason you can't get the value of a form variable is because the name of the variable in the form doesn't exactly match the name you use in the getParameter method, either because of a spelling difference or a capitalization difference. |
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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.
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