Mohit Jain
1 Answer(s) a year and 2 months ago
Posted in : Java Beginners
To run servlet i have seen the tutorial from http://www.roseindia.net/servlets/introductiontoconfigrationservlet.shtml
Hello i followed each and every step same to same as given, i have installed java 7 and tomcat 7, when i click on Monitor Tomcat it shows Application System Error , Access is denied ,Unable to open the service 'Tomcat 7'
and when i Open your Browser (Google Chrome) and type the following URL : http://localhost/ then i get the Apache tomcat page,
but when i finally want to see my class output finally , Then i get HTTP Status 404 and can't get my result , Please help me what should i do..?
March 13, 2012 at 10:46 AM
Put servlet-api.jar inside the lib folder of apache tomcat.
1)create a servlet.
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException,IOException{
response.setContentType("text/html");
PrintWriter pw = response.getWriter();
pw.println("<html>");
pw.println("<head><title>Hello World</title></title>");
pw.println("<body>");
pw.println("<h1>Hello World</h1>");
pw.println("</body></html>");
}
}
2)Go to the webapps folder of your apache tomcat and create a web application folder but it should having an appropriate name like examples.
3)Create web.xml and classes folder inside the WEB_INF folder of web application folder.
4)Copy the servlet to the classes folder.
5)Edit the web.xml to include servlet name and url pattern.
<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>
6)Compile your servlet.
7)Run Tomcat server by clicking the startup.bat file. This is located inside the bin folder of apache tomcat.
8)Open the browser and type the following url:
http://localhost:8080/webapplicationfolder_name/HelloWorld
For more information, please go through the following links:
If you are facing any programming issue, such as compilation errors or not able to find the code you are looking for.
Ask your questions, our development team will try to give answers to your questions.
