Eclipse new Web project appears the superclass "Javax.servlet.http.HttpServlet" is not found ...

Issue: Eclipse new Web project appears after the superclass "Javax.servlet.http.HttpServlet" is not found on the Java build Path new Web Project All, the top of the JSP page appears the "Red" error message: The superclass "Javax.servlet.http.HttpServlet" is not found on the Java build Path, after careful review, the original Java The related classes in the Web project that do not add the Tomcat runtime cause a workaround: Method 1. Locate the Tomcat installation path, and in the Lib folder in the Tomcat root directory, there is a servlet-api.jar that imports the jar package into the project; Method 2: (1) Right-click the Web Engineering-> property or build path-> Java build Path-> libraries-> Add Library ...->server Runtime-> Tomcat Server (2) Switch to Java build Pa th interface Orader and Export, select Tomcat.

Note: According to the above method operation room, if open the server Runtime after a blank, need to set Apache server. Step: window->preferences->server->runtime->environment->add-> Select Apache version after dot next, Then fill in the installation address of your Apache server software.