gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:j2ee="http://java.sun.com/xml/ns/javaee"
         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_3.0.xsd">

  <description>Atmosphere Chat</description>
  <display-name>Atmosphere Chat</display-name>
  <servlet>
    <description>MeteorServlet</description>
    <servlet-name>MeteorServlet</servlet-name>
    <servlet-class>org.atmosphere.cpr.MeteorServlet</servlet-class>
    <init-param>
      <param-name>org.atmosphere.servlet</param-name>
      <param-value>org.atmosphere.samples.chat.MeteorChat</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>

    <!--
    <async-supported>true</async-supported>
    -->
    
    <!-- Or use Tomcat Native Comet implementation -->
    <init-param>
      <param-name>org.atmosphere.useNative</param-name>
      <param-value>true</param-value>
    </init-param>

  </servlet>

  <servlet-mapping>
    <servlet-name>MeteorServlet</servlet-name>
    <url-pattern>/Meteor</url-pattern>
  </servlet-mapping>
  <session-config>
    <session-timeout>25</session-timeout>
  </session-config>
</web-app>