Deploying Web Applications to Tomcat

Posted 09-16-2010 at 05:50 AM by prayag_pjs
Updated 09-16-2010 at 06:10 AM by prayag_pjs

After Installing tomact to Deploying Web Applications to Tomcat follow these steps :

Code:

cd $CATALINA_HOME/webapps
sudo mkdir -p application/WEB-INF/classes
sudo mkdir -p application/WEB-INF/lib

Code:

cd $CATALINA_HOME/webapps/application

sudo vim HelloWorld.java
// Filename : HelloWorld.java
// Description : This servlet merely says hello!
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 out = response.getWriter();
                out.println("<html>");
                out.println("<head><title>Hello, Cruel World!</title></head>");
                out.println("<body>");
                out.println("<h1>Hello,Cruel World!
</h1>");
                out.println("This is my first servlet.");
                out.println("</body>");
        }// end doGet

}///:~

Code:

sudo javac -classpath $CATALINA_HOME/common/lib/ servlet-api. jar HelloWorld.java

it will create HelloWorld.class

Code:

sudo mv HelloWorld.class WEB-INF/classes/

Code:

cd WEB-INF

sudo vim web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
<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>

Code:

cd $CATALINA_HOME/bin
sudo ./shutdown.sh
sudo ./startup.sh

Code:

http://localhost:8080/application/HelloWorld

(it should display Hello, Cruel World !
This is my first servlet)
Deploying Java Server Pages.

Code:

cd $CATALINA_HOME/webapps/application
sudo vim index.jsp

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Hello JSP World!</title>
</head>
<body>
<h1>Hello, JSP World!</h1>

<p>
The time now is : <%= new java.util.Date() %>. 
</p>

<p>
To see the servlet example <a href="HelloWorld">click here</a>.
</p>

</body>
</html>
</programlisting>

Code:

sudo ./shutdown.sh 
sudo ./startup.sh

Code:

http://localhost:8080/application/index.jsp

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