JSP，javabean和mysql

Question

你好我正在研究一个项目，任何时候我尝试运行我都有这个错误信息，我仍然有问题找出错误。谢谢你的帮助。

HTTP Status 500 -

type Exception report

message

descriptionThe server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: The HTTP Monitor server side component intercepted and rethrew an error while processing a JSP or servlet. Please see the stack trace under the root cause message below to identify the problem.

root cause

java.lang.NoClassDefFoundError: JavaBeans/Book

root cause

java.lang.ClassNotFoundException: JavaBeans.Book

note The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 3.1.2.2 logs.

Answer 1

您很可能将您的类命名为

Java EE 6 With Glassfish 3

一书中的类。小心你如何命名你的路径。编译器找不到Book类。