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:[EMAIL PROTECTED] 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