Below is the web.xml file of my web application .i need a favor that how my web application gets started what will be step by step flows.
<?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>Tudu Lists</display-name>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>WEB-INF/log4j.xml</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:META-INF/spring/application-context.xml</param-value>
</context-param>
<!-- Define the basename for a resource bundle for I18N -->
<context-param>
<param-name>
javax.servlet.jsp.jstl.fmt.localizationContext
</param-name>
<param-value>messages</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
<listener>
<listener-class>net.sf.navigator.menu.MenuContextListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/tudu/*</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>dwr</servlet-name>
<servlet-class>org.directwebremoting.spring.DwrSpringServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dwr</servlet-name>
<url-pattern>/ajax/*</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>rss</servlet-name>
<servlet-class>tudu.web.servlet.RssFeedServlet</servlet-class>
<load-on-startup>3</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>rss</servlet-name>
<url-pattern>/servlet/rss</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>backup</servlet-name>
<servlet-class>tudu.web.servlet.BackupServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>backup</servlet-name>
<url-pattern>/servlet/tudu_lists_backup.xml</url-pattern>
</servlet-mapping>
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/tudu/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/ajax/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/servlet/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>Open Session In View Filter</filter-name>
<filter-class>
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>Open Session In View Filter</filter-name>
<url-pattern>/ajax/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/tudu/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>GZipFilter</filter-name>
<filter-class>net.sf.ehcache.constructs.web.filter.GzipFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>GZipFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>SimpleCachingHeadersPageCachingFilter</filter-name>
<filter-class>net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilter
</filter-class>
<init-param>
<param-name>suppressStackTraces</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>cacheName</param-name>
<param-value>web-cache</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>SimpleCachingHeadersPageCachingFilter</filter-name>
<url-pattern>/rss</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/tudu/500</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/tudu/404</location>
</error-page>
</web-app>
