Page 2 - The JSP Files (part 7): Bugs, Beans And Banks

I got the same problem before. and find that the problem is not where I put the file (.class) which I place in my-phpdirectory/WEB-INF/classes or /lib if you have compact the .class to .jar.
But if we use tomcat, we have to restart the tomcat everytime we add/change .class (or we can use manager tomcat app).

try to restart tomcat...

The JSP Files \(part 7\): Bugs, Beans And Banks

In this week's episode, find out how the JSP Exception object provides developers with a graceful way to recover from script errors. And then take a quick tour of the JSP directives you need to know in order to integrate standalone JavaBeans into your JSP scripts.

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