Hi Experts,
We have WPC Custom Webforms in the Home page and they are working fine for the past 6 monts.
Suddenly, some of the users (random) are getting runtime exceptions on Production.
The error log is as below and it looks like some CSS Classloader / WPC framework level issue.
Any pointers will be hightly appreciated.
[EXCEPTION]
com.sapportals.portal.prt.component.PortalComponentException: Error in service call of Portal Component
Application name : com.sap.nw.pcc.xmleditor
Component : pcd:com.sap.portal.system/pcc/rt_content/com.sap.portal.pcc/StagingAreaId/SAP/Portal/Portal/1354644894
Component class : com.sap.portal.prt.component.CachablePortalComponent
at com.sap.portal.prt.core.PortalRequestManager.handlePortalComponentException(PortalRequestManager.java:765)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:245)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:107)
at com.sapportals.portal.prt.core.async.AsyncIncludeRunnable.run(AsyncIncludeRunnable.java:119)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.process(Executable.java:242)
at com.sapportals.portal.prt.core.async.AsyncPortalComponentResponse.waitUntilIncludesDone(AsyncPortalComponentResponse.java:242)
at com.sapportals.portal.pb.PageBuilder.includeAlliViews(PageBuilder.java:967)
at com.sapportals.portal.pb.PageBuilder.doContent(PageBuilder.java:573)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:205)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:121)
at com.sap.portal.prt.component.CachablePortalComponent.service(CachablePortalComponent.java:137)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher$5.service(RequestDispatcherFactory.java:308)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:270)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher.service(RequestDispatcherFactory.java:298)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:229)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:107)
at com.sapportals.portal.prt.core.async.AsyncIncludeRunnable.run(AsyncIncludeRunnable.java:119)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.process(Executable.java:242)
at com.sapportals.portal.prt.core.async.AsyncPortalComponentResponse.waitUntilIncludesDone(AsyncPortalComponentResponse.java:242)
at com.sapportals.portal.pb.PageBuilder.includeAlliViews(PageBuilder.java:967)
at com.sapportals.portal.pb.PageBuilder.doContent(PageBuilder.java:573)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:205)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:121)
at com.sap.portal.prt.component.CachablePortalComponent.service(CachablePortalComponent.java:137)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher$5.service(RequestDispatcherFactory.java:308)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:270)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher.service(RequestDispatcherFactory.java:298)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:229)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:107)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:141)
at com.sap.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:206)
at com.sapportals.portal.navigation.workAreaiView.doContent(workAreaiView.java:296)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:205)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:121)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher$5.service(RequestDispatcherFactory.java:308)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:270)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher.service(RequestDispatcherFactory.java:298)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:229)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:107)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:141)
at com.sap.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:206)
at com.sap.portal.prt.pom.PortalNode.service(PortalNode.java:588)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:233)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:107)
at com.sap.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:141)
at com.sap.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:520)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:201)
at com.sap.portal.prt.dispatcher.DispatcherServlet.service(DispatcherServlet.java:132)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.runServlet(FilterChainImpl.java:202)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:103)
at com.sap.portal.http.EnrichNavRequestFilter.doFilter(EnrichNavRequestFilter.java:49)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at com.sap.portal.http.EnrichNavRequestFilter.doFilter(EnrichNavRequestFilter.java:49)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:432)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:210)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:441)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:430)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:81)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:276)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:81)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.SessionSizeFilter.process(SessionSizeFilter.java:26)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MemoryStatisticFilter.process(MemoryStatisticFilter.java:57)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:43)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:475)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:269)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:101)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
Caused by: java.lang.NullPointerException: while trying to invoke the method com.sap.nw.pcc.kmfacade.css.ICssLoaderService.getCSSResources(java.lang.String) of an object loaded from local variable 'cssLoader'
at com.sap.nw.pcc.ui.XmlEditorRenderer.includeCSS(XmlEditorRenderer.java:182)
at com.sap.nw.pcc.ui.XmlEditorRenderer.doContent(XmlEditorRenderer.java:62)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:205)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:121)
at com.sap.portal.prt.component.CachablePortalComponent.service(CachablePortalComponent.java:137)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher$5.service(RequestDispatcherFactory.java:308)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:270)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher.service(RequestDispatcherFactory.java:298)
at com.sap.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:229)
... 92 more
Regards,
Ramesh.