NullPointerException in AutoScrollPhaseListener

[shahid hussain]

hi sir i have problem

SEVERE: Exception in PhaseListener RESTORE_VIEW 1 afterPhase
java.lang.NullPointerException

when i try to give and file path
for example my jsp file is MyJsp.jsp
when i execute it by http://localhsot:8080/main/MyJsp.jsf

exceptio accures

SEVERE: Exception in PhaseListener RESTORE_VIEW 1 afterPhase
java.lang.NullPointerException
	at org.apache.myfaces.renderkit.html.util.AutoScrollPhaseListener.afterPhase(AutoScrollPhaseListener.java:52)
	at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:92)
	at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:99)
	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:307)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
	at tyn.cm.filter.LoginFilter.doFilter(LoginFilter.java:191)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
Jan 14, 2011 11:37:02 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
java.lang.UnsupportedOperationException
	at javax.faces.context.FacesContext.getELContext(FacesContext.java:137)

my web.xml is

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	version="2.4"
	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
	<!-- a -->
	<servlet>
		<servlet-name>dwr-invoker</servlet-name>
		<!--  		<display-name>DWR Servlet</display-name>-->
		<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
		<init-param>
			<param-name>debug</param-name>
			<param-value>true</param-value>
		</init-param>
	</servlet>
	<servlet>
		<servlet-name>FileUploader</servlet-name>
		<servlet-class>tyn.cm.servlet.FileUploader</servlet-class>
	</servlet>
	<!-- richfaces filter -->
	<filter>
		<display-name>RichFaces Filter</display-name>
		<filter-name>richfaces</filter-name>
		<filter-class>org.ajax4jsf.Filter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>richfaces</filter-name>
		<servlet-name>Faces Servlet</servlet-name>
		<dispatcher>REQUEST</dispatcher>
		<dispatcher>FORWARD</dispatcher>
		<dispatcher>INCLUDE</dispatcher>
	</filter-mapping>
	<!-- Ajax4JSF filter as given in the 1.1.1 README file -->
	<filter>
		<display-name>Ajax4jsf Filter</display-name>
		<filter-name>ajax4jsf</filter-name>
		<filter-class>org.ajax4jsf.Filter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>ajax4jsf</filter-name>
		<servlet-name>Faces Servlet</servlet-name>
		<dispatcher>REQUEST</dispatcher>
		<dispatcher>FORWARD</dispatcher>
		<dispatcher>INCLUDE</dispatcher>
	</filter-mapping>
	<filter>
		<filter-name>ExtensionsFilter</filter-name>
		<filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
		<init-param>
			<param-name>uploadMaxFileSize</param-name>
			<param-value>100m</param-value>
		</init-param>
		<init-param>
			<param-name>uploadThresholdSize</param-name>
			<param-value>100k</param-value>
		</init-param>
	</filter>
	<filter>
		<filter-name>loginFilter</filter-name>
		<filter-class>tyn.cm.filter.LoginFilter</filter-class>
		<init-param>
			<param-name>loginPage</param-name>
			<param-value>/login.jsp</param-value>
		</init-param>
	</filter>

	<servlet-mapping>
		<servlet-name>FileUploader</servlet-name>
		<url-pattern>/Upload</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>dwr-invoker</servlet-name>
		<url-pattern>/dwr/*</url-pattern>
	</servlet-mapping>
	<!-- tree -->
	<filter-mapping>
		<filter-name>ExtensionsFilter</filter-name>
		<url-pattern>/faces/myFacesExtensionResource/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>ExtensionsFilter</filter-name>
		<url-pattern>*.jsf</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>loginFilter</filter-name>
		<url-pattern>*.jsf</url-pattern>
		<!-- 181 209 -->
	</filter-mapping>
	<context-param>
		<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
		<param-value>server</param-value>
	</context-param>
	<servlet>
		<servlet-name>Faces Servlet</servlet-name>
		<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet>
		<servlet-name>validate_email</servlet-name>
		<servlet-class>tyn.cm.servlet.ValidateEmail</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>performSurvey</servlet-name>
		<servlet-class>tyn.cm.servlet.PerformSurvey</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>couponSubscription</servlet-name>
		<servlet-class>tyn.cm.servlet.CouponSubscription</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>doDirectPayment</servlet-name>
		<servlet-class>tyn.cm.servlet.DoDirectPayment</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>MobileCouponRedirector</servlet-name>
		<servlet-class>tyn.cm.servlet.MobileCouponRedirector</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>twoWayCouponGateway</servlet-name>
		<servlet-class>tyn.cm.servlet.TwoWayCouponGateway</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>init</servlet-name>
		<servlet-class>net.sourceforge.wurfl.wurflapi.WurflServletInit</servlet-class>
		<!--
			In case you want to provide your own custom servlet to Initialize the
			WURFL, modify and rebuild the Init.java servlet in WEB-INF/classes.
			Also replace the line above with the one here.
			<servlet-class>Init</servlet-class>
		-->
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet>
		<servlet-name>signup</servlet-name>
		<servlet-class>tyn.cm.servlet.Signup</servlet-class>
	</servlet>
	<servlet>
		<servlet-name>fetchProfitability</servlet-name>
		<servlet-class>tyn.cm.servlet.FetchProfitability</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>Faces Servlet</servlet-name>
		<url-pattern>*.jsf</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>doDirectPayment</servlet-name>
		<url-pattern>/doDirectPayment</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>validate_email</servlet-name>
		<url-pattern>/validate_email</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>performSurvey</servlet-name>
		<url-pattern>/survey</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>couponSubscription</servlet-name>
		<url-pattern>/couponSubscription</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>MobileCouponRedirector</servlet-name>
		<url-pattern>/c</url-pattern>
		<!-- should be very short name i.e. 'c' stands for 'coupon'  -->
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>twoWayCouponGateway</servlet-name>
		<url-pattern>/twoWayCouponGateway</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>signup</servlet-name>
		<url-pattern>/signup</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>fetchProfitability</servlet-name>
		<url-pattern>/fetchProfitability</url-pattern>
	</servlet-mapping>
	<session-config>
		<session-timeout>180</session-timeout>
	</session-config>
	<!-- b -->
	<!--


		<listener>
		<listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class>
		</listener>
	-->
	<!--	<filter-mapping>-->
	<!--		<filter-name>loginFilter</filter-name>-->
	<!--	  	<url-pattern>*.html</url-pattern>-->
	<!--	</filter-mapping>-->
	<context-param>
		<param-name>javax.faces.CONFIG_FILES</param-name>
		<param-value>/WEB-INF/faces-config.xml</param-value>
	</context-param>
	<!--
		<error-page> <error-code>500</error-code>
		<location>/500.jsf</location> </error-page> <error-page>
		<error-code>404</error-code> <location>/404.jsf</location>
		</error-page>
	-->
	<!--
		<welcome-file-list> <welcome-file>index.jsp</welcome-file>
		</welcome-file-list>
	-->
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
	</welcome-file-list>
	<login-config>
		<auth-method>BASIC</auth-method>
	</login-config>
	<!--
		<security-constraint> <web-resource-collection>
		<web-resource-name>Protected Context</web-resource-name>
		<url-pattern>/home.jsf</url-pattern>
		<url-pattern>/login.jsf</url-pattern>
		<url-pattern>/login2.jsf</url-pattern> </web-resource-collection>
		<user-data-constraint>
		<transport-guarantee>CONFIDENTIAL</transport-guarantee>
		</user-data-constraint> </security-constraint>
	-->
</web-app>

any help??? please!!!

Abbasi