I am trying to run a sample application of myfaces in tomcat 5.5.9 but it return NullPointerException

[Legolas Woodland]

Hi
Thank you for reading my post.
I am trying to test a sample myfaces application in tomcat 5.5.9 , but 
it return the following exception:
java.lang.NullPointerException
       at 
javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:615)
       at 
javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:217)
       at 
org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:71)
       at org.apache.jsp.index_jsp._jspx_meth_f_view_0(index_jsp.java:99)
       at org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
       at 
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
       at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
       at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
       at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
       at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
       at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
       at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
       at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
       at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
       at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
       at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
       at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
       at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
       at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
       at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
       at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
       at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
       at java.lang.Thread.run(Thread.java:595)

here is my web.xml file

<?xml version='1.0' encoding='UTF-8'?>

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd";>


<web-app>


   <context-param>
       <param-name>com.sun.faces.validateXml</param-name>
       <param-value>true</param-value>
       <description>
     
       </description>
   </context-param>

   <context-param>
       <param-name>com.sun.faces.verifyObjects</param-name>
       <param-value>true</param-value>
       <description>

       </description>
   </context-param>

   <!-- Faces Servlet -->
   <servlet>
       <servlet-name>Faces Servlet</servlet-name>
       <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
       <load-on-startup>1</load-on-startup>
   </servlet>


   <!-- Faces Servlet Mapping -->
   <servlet-mapping>
       <servlet-name>Faces Servlet</servlet-name>
       <url-pattern>*.jsf</url-pattern>
   </servlet-mapping>

</web-app>


I have included following jar file into web-inf/lib
myfaces-impl.jar
myfaces-api.jar
sandbox.jar
tomahawk.jar
myfaces-all.jar