Unable to compile Servlet
Unable to compile Servlet
First I installed the tomcat server in C:\apache-tomcat-6.0.14 directory.
Then I created a system variable CATALINA_HOME with the value C:\apache-tomcat-6.0.14.
Then I created another system variable JAVA_HOME with the value C:\Program Files\Java\jdk1.6.0.14
Then I created another environment variable CLASSPATH with the value C:\apache-tomcat-6.0.14\lib\servlet-api.jar
Then I created my servlet file Servlet_LifeCycle.java under the folder C:\apache-tomcat-6.0.14\webapps\demo-examples. The demo-examples folder was created by me.
To compile my servlet program I did the following:
C:\apache-tomcat-6.0.14\webapps\demo-examples>javac Servlet_LifeCycle.java
But the compilation failed totally.
January 25, 2011 at 4:44 PM
Hi Friend,
Follow these steps:
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 assuming examples.
4)Copy the servlet to the classes folder.
5)Edit the web.xml to include servlet?s name and url pattern.
<servlet> <servlet-name>Hello</servlet-name> <servlet-class>HelloWorld</servlet-class> </servlet> <servlet-mapping> <servlet-name>Hello</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/webapplicationfoldername/servletname
For more information, visit the following link:
http://www.roseindia.net/servlets/introductiontoconfigrationservlet.shtml
Thanks
Ads
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