Eclipse and Tomcat Confirguration, Create War.

1)Download and extract Eclipse IDE for Java EE Developers

2)Download and extract or install Apache Tomcat

3)Open your browser, type http://localhost:8080 and verify tomcat is running.

Java Servlet CRON job through Tomcat

Apache Tomcat server won't support to run servelt automatically (Resin will support through <run-at> tag). So i created time scheduler job to perform cron job through Tomcat.

1) Create Schedular Servelt

package com.dns.blog;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* Parser Schedular to run every one hour to parse the file.
*
* @author Daynight
* @version 1.0 02/23/2011
*/

Java Naming and Directory Interface (JNDI) with Environment Variables

The environment allows you to define your variables name, value and type. At runtime the environment values are not allowed to modify.

Declared the environment variables using the <env-entry> tag in the deployment descriptor (WEB-INF/web.xml in Tomcat). The elements of the <env-entry> tag are:
* <description>: an optional description.
* <env-entry-name>: the entry name.
* <env-entry-value>: a value.
* <env-entry-type>: the java variable type(Boolean, Byte, Double, Character, Float, Integer, Long, Short, String).

How to configuring a SQL Server datasource in Apache Tomcat using Java Naming and Directory Interface (JNDI) InitialContext Program?

Download the latest sql server database driver and place it into the lib folder. Restart Tomcat server, once the below changes are done.

1. web.xml configuration
Go to Tomcat root directory -> then explore webapps directory -> select cos (i.e., it is your project folder) and finally select WEB-INF folder. Open web.xml file, if not one, then create web.xml configuration file. Add the below code after <web-app> root tag.

Installtion, Configuring Internet Information Server (IIS) with Apache Tomcat

Internet Information Server (IIS) can not execute Servlets and Java Server Pages (JSP). Using Apache Tomcat redirector plugin (isapi_redirect.dll) will let IIS send Servlets and JSP requests to Apache Tomcat.

This blog explains installation of Tomcat and how to setup IIS to interface with Apache Tomcat 6.0.26.

Install Apache Tomcat 6.0.26
1)Download Apache Tomcat 6.0.26 'zip' or '32-bit/64-bit Windows Service Installer' file and 'unzip' or 'install' it. Download link