invoking the webservice from CAF am getting below error in M

Hi All,

when am clicking the button to call the webservice connector from CAF, am getting below error.

2010-04-13 15:33:11 CEST (Framework:WARN) [RID:221] - Caught throwable:
java.lang.NullPointerException
at com.sun.faces.application.ApplicationImpl.createValueBinding(ApplicationImpl.java:478)
at com.webmethods.caf.faces.application.CAFApplication.createOrigValueBinding(CAFApplication.java:53)
at com.webmethods.caf.faces.application.CAFApplication.createValueBinding(CAFApplication.java:126)
at com.webmethods.portal.mech.rules.impl.BindingExpressionResolver.evaluate(BindingExpressionResolver.java:26)
at com.webmethods.caf.rules.impl.constant.BindingExpressionConstant.evaluate(BindingExpressionConstant.java:52)
at com.webmethods.caf.rules.impl.logicalOp.OrLogicalOp.evaluateBoolean(OrLogicalOp.java:26)
at com.webmethods.caf.rules.impl.logicalOp.BaseLogicalOp.evaluate(BaseLogicalOp.java:28)
at com.webmethods.caf.rules.impl.Rule.evaluateCondition(Rule.java:53)
at com.webmethods.portal.portlet.wm_xt_portalrules.mechanics.PortalRulesMechanics.evaluateQuery(PortalRulesMechanics.java:497)
at com.webmethods.portal.portlet.wm_xt_portalrules.mechanics.PortalRulesMechanics.getRuleForUser(PortalRulesMechanics.java:458)
at com.webmethods.portal.portlet.impl.wm_xt_skin.mechanics.SkinMechanics.getCurrentSkinID(SkinMechanics.java:524)
at com.webmethods.portal.framework.presentation.PresentationManager.setSessionData(PresentationManager.java:531)
at com.webmethods.portal.framework.presentation.PresentationManager.preparePresentationData(PresentationManager.java:238)
at com.webmethods.portal.framework.dispatch.DispatchManager.preparePresentationData(DispatchManager.java:814)
at com.webmethods.portal.framework.dispatch.DispatchManager.handle(DispatchManager.java:436)
at com.webmethods.portal.framework.dispatch.DispatchManager.handleDispatch(DispatchManager.java:372)
at com.webmethods.portal.framework.impl.PortalServlet.service(PortalServlet.java:245)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at com.webmethods.portal.framework.impl.NTLMFilter.doFilter(NTLMFilter.java:50)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at com.webmethods.caf.faces.servlet.GZIPFilter.doFilter(GZIPFilter.java:42)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:842)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)

Regards,
Anil kumar ellendula

Regenerate the connector once again and see if it helps.

I have re-generated the webservie- connector so many times but no luck, i am doing deleting the existing one and recreating it.