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

[James Reynolds <Ja...@intermountainmail.org>]

When last I heard, the myFaces-all.jar had some sort of problem.  I
excluded it and included all the required commons libraries and life was
good again.


-----Original Message-----
From: Legolas Woodland [mailto:legolas.w@gmail.com] 
Sent: Saturday, March 25, 2006 3:01 AM
To: MyFaces Discussion
Subject: I am trying to run a sample application of myfaces in tomcat
5.5.9 but it return NullPointerException

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.jav
a: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.ja
va: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(Applica
tionFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:173)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:213)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.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:1
48)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:85
6)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
onnection(Http11Protocol.java:744)
        at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)
        at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)
        at
org.apache.tomcat.util.threads.ThreadPool$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