[Solution] The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path
HttpServlet需要tomcat等.
右键project点开properties>project facets>
在右侧栏的Runtime tab中勾选tomcat或者新建tomcat服务器.
Apply and close.
HttpServlet需要tomcat等.
右键project点开properties>project facets>
在右侧栏的Runtime tab中勾选tomcat或者新建tomcat服务器.
Apply and close.