web.xml file for Railo 4.1.2 with activated tuckey urlrewrite filter. Don't forget to dl latest jar file and put it in Railo lib folder.

web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	metadata-complete="true"
	version="2.5">


	  
  <!-- ********************************************************************* -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <!-- Railo Servlet Definitions (Servlet Spec. Version 2.5 or greater req.) -->
  

  <!-- ===================================================================== -->
  <!-- Railo CFML Servlet - this is the main Railo servlet                   -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <servlet id="Railo">
    <description>Railo CFML Engine</description>
    <servlet-name>CFMLServlet</servlet-name>    
    <servlet-class>railo.loader.servlet.CFMLServlet</servlet-class>
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
    <!-- to specify the location of the Railo Server config and libraries,   -->
    <!-- uncomment the init-param below.  make sure that the param-value     -->
    <!-- points to a valid folder, and that the process that runs Railo has  -->
    <!-- write permissions to that folder.  leave commented for defaults.    -->
    <!--
    <init-param>
      <param-name>railo-server-directory</param-name>
      <param-value>/var/Railo/config/server/</param-value>
      <description>Railo Server configuration directory (for Server-wide configurations, settings, and libraries)</description>
    </init-param>
    !-->
    <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
    <!-- to specify the location of the Web Contexts' config and libraries,  -->
    <!-- uncomment the init-param below.  make sure that the param-value     -->
    <!-- points to a valid folder, and that the process that runs Railo has  -->
    <!-- write permissions to that folder.  the {web-context-label} can be   -->
    <!-- set in Railo Server Admin homepage.  leave commented for defaults.  -->
    <!--
    <init-param>
      <param-name>railo-web-directory</param-name>
      <param-value>/var/Railo/config/web/{web-context-label}/</param-value> 
      <description>Railo Web Directory (for Website-specific configurations, settings, and libraries)</description>
    </init-param>
    !-->
    <load-on-startup>1</load-on-startup>
  </servlet>
  
<!-- URL ReWriter -->
<filter>
<filter-name>UrlRewriteFilter</filter-name>
<filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
<!-- set the amount of seconds the conf file will be checked for reload
can be a valid integer (0 denotes check every time,
empty/not set denotes no reload check) -->
<init-param>
<param-name>confReloadCheckInterval</param-name>
<param-value>0</param-value>
</init-param>
<!-- you can disable status page if desired
can be: true, false (default true) -->
<init-param>
<param-name>statusEnabled</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>logLevel</param-name>
<param-value>WARNING</param-value>
</init-param>
<init-param>
<param-name>statusEnabledOnHosts</param-name>
<param-value>localhost</param-value>
</init-param>
</filter>

<filter-mapping>
<filter-name>UrlRewriteFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
</filter-mapping>    
<!-- end url rewrite -->    
    
  <servlet-mapping>
    <servlet-name>CFMLServlet</servlet-name>
    <url-pattern>*.cfc</url-pattern>
    <url-pattern>*.cfm</url-pattern>
    <url-pattern>*.cfml</url-pattern>   
    <url-pattern>/index.cfc/*</url-pattern>
    <url-pattern>/index.cfm/*</url-pattern>
    <url-pattern>/index.cfml/*</url-pattern>
    
    <!-- url-pattern>*.cfm/*</url-pattern !-->
    <!-- url-pattern>*.cfml/*</url-pattern !-->
    <!-- url-pattern>*.cfc/*</url-pattern !-->
    <!-- url-pattern>*.htm</url-pattern !-->
    <!-- url-pattern>*.jsp</url-pattern !-->
  </servlet-mapping>
  

  <!-- ===================================================================== -->
  <!-- Railo REST Servlet - handles Railo's RESTful web services             -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <servlet id="RESTServlet">
    <description>Railo Servlet for RESTful services</description>
    <servlet-name>RESTServlet</servlet-name>    
    <servlet-class>railo.loader.servlet.RestServlet</servlet-class>
    <load-on-startup>2</load-on-startup>
  </servlet>  

  <servlet-mapping>
    <servlet-name>RESTServlet</servlet-name>
    <url-pattern>/rest/*</url-pattern>
  </servlet-mapping>


  <!-- ===================================================================== -->
  <!-- Railo MessageBroker Servlet - Flex Gateway                            -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <!-- * ATTENTION - ATENCION - ACHTUNG  -  ATTENTION - ATENCION - ACHTUNG * -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <!-- messageBrokerId must be unique for each defintion of the MessageBroker-->
  <!-- Servlet.  if you use the MessageBroker Servlet and define it in more  -->
  <!-- than one xml file, you must uncomment the messageBrokerId init-param  -->
  <!-- and set a different value in each definition.                         -->
  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <servlet id="MessageBrokerServlet">
    <description>Railo Servlet for Flex Gateway</description>
    <servlet-name>MessageBrokerServlet</servlet-name>
    <servlet-class>flex.messaging.MessageBrokerServlet</servlet-class>
    <!-- init-param>
      <param-name>services.configuration.file</param-name>
      <param-value>/WEB-INF/flex/services-config.xml</param-value>
    </init-param !-->
    <!-- init-param>
      <param-name>messageBrokerId</param-name>
      <param-value>_default_</param-value>
    </init-param !-->
    <!-- load-on-startup>2</load-on-startup !-->
  </servlet>

  <servlet-mapping>
    <servlet-name>MessageBrokerServlet</servlet-name>
    <url-pattern>/flex2gateway/*</url-pattern>
    <url-pattern>/flashservices/gateway/*</url-pattern>
    <url-pattern>/messagebroker/*</url-pattern>
  </servlet-mapping>


  <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
  <!--                                                 Railo Definitions End -->  
  <!-- ===================================================================== -->
  <!-- _____________________________________________________________________ -->



	<!-- default file to execute if directory is called with no file name, e.g. http://mysite.com/ !-->
	<welcome-file-list>
		<welcome-file>index.cfm</welcome-file>
		<welcome-file>index.cfml</welcome-file>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>

</web-app>