报出java.lang.ClassNotFoundException

Question

Servlet.service() for servlet [tomcat.com.MyTestServlet] in context with path [/MyTest] threw exception [Servlet execution threw an exception] with root cause
java.lang.ClassNotFoundException: net.sf.json.JSONObject

Answer 1

哈哈哈哈，这么巧，我刚遇到！
将JSON的jar包，放在项目下WebContent->WEB-INF->lib下面即可！