my webmethods server error in error log file

Hi all,
am using wM8.0.1 version , today am keep on getting below error in my web methods server,this is the error in problems.txt, is it know issue in wm8.0.1

2010-06-18 09:29:28 CEST (Framework:WARN) [RID:18] - 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

Have you check the MWS patches’ release notes in empower. They are normally helpful.

Has anyone done any custom caf development for you MWS?

Hi,

Yes, Am working on CAF application,My UI Interface is working fine, donot have any mssing binding expressions.

regards,
anil kumar ellendula