2018年8月31日15:40:07

1、全部日志：

Multiple annotations found at this line:
  - The superclass "javax.servlet.http.HttpServlet" was not found on the Java 
   Build Path
  - The superclass "javax.servlet.http.HttpServlet" was not found on the Java 
   Build Path
  - The superclass "javax.servlet.http.HttpServlet" was not found on the Java 
   Build Path
The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

2、解决方法：

由于eclipse开启了各种各样的validation，去掉即可！