Hi-
I am resending my msg. in plain text wondering how to get tomcat to render my servlet for hellworld from code I got at w3schools. I am trying to follow the guidelines: TOMCAT 10.1.10 + plain text email! THANKS code and configuration files: import java.io.IOException; import java.io.PrintWriter; import javax.servlet.Servlet; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; /** * This servlet program is used to print "Hello World" on * client browser by implementing servlet interface. * @author w3spoint */ public class HelloWorld implements Servlet { private static final long serialVersionUID = 1L; //no-argument constructor. public HelloWorld() { } ServletConfig config=null; @Override public void init(ServletConfig config) throws ServletException { this.config = config; System.out.println("Do initialization here."); } @Override public void destroy() { System.out.println("Do clean-up process here."); } @Override public ServletConfig getServletConfig() { return config; } @Override public String getServletInfo() { return "w3spoint.com"; } @Override public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<h1>Hello World example using " + "servlet interface.</h1>"); out.close(); } } <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <servlet> <servlet-name>HelloWorld</servlet-name> <servlet-class> HelloWorld </servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloWorld</servlet-name> <url-pattern>/HelloWorld</url-pattern> </servlet-mapping> </web-app> url: http://localhost:8080/examples/HelloWorld <Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="false"> <context docbase="webapps" path="/webapps/examples"/> error msg: Root Cause java.lang.ClassCastException: class HelloWorld cannot be cast to class jakarta.servlet.Servlet Sent with Proton Mail secure email. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org