run war file in apache/tomcat
make directory myapps under D:\apache\webapps\
files in myapps:
web.xml HelloWorld.war WEB-INF
WEB-INF include classes
classes include
HelloWorldServlet.java examples
examples include
HelloWorldServlet.class
web.xml:
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app 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"
version="2.4">
<display-name>Hello World</display-name>
<description>A Hello World Web Application</description>
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>examples.HelloWorldServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
</web-app>
HelloWorldServlet.java:
package examples;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class HelloWorldServlet extends HttpServlet
{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException
{
// Tell the Web server that the response is HTML.
response.setContentType("text/html");
// Get the PrintWriter for writing out the response.
PrintWriter out = response.getWriter();
// Write the HTML back to the browser.
out.println("<html>");
out.println("<body>");
out.println("<h1>Hello World!</h1>");
out.println("</body>");
out.println("</html>");
}
}
use command to gernerate war file:
jar cvf HelloWorld.war d:/apache/webapps/myapps/WEB-INF
enter in browse:
http://localhost:8080/myapps/HelloWorld/hello
return from browse:
type Status report
message /myapps/HelloWorld/hello
description The requested resource (/myapps/HelloWorld/hello) is not
available.