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java.lang.NullPointerException at org.primefaces.renderkit.CoreRenderer.getWidgetBuilder(CoreRenderer.java:484)[primefaces-3.5.7-3.5.7.jar:] at org.primefaces.component.layout.LayoutRenderer.encodeScript(LayoutRenderer.java:65)[primefaces-3.5.7-3.5.7.jar:] at org.primefaces.component.layout.LayoutRenderer.encodeBegin(LayoutRenderer.java:41)[primefaces-3.5.7-3.5.7.jar:] at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:820)[jboss-jsf-api_2.1_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1777)[jboss-jsf-api_2.1_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)[jboss-jsf-api_2.1_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)[jboss-jsf-api_2.1_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1] at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:402)[jsf-impl-2.1.7-redhat-1.jar:2.1.7-redhat-1] at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)[jsf-impl-2.1.7-redhat-1.jar:2.1.7-redhat-1] at org.springframework.faces.webflow.FlowViewHandler.renderView(FlowViewHandler.java:99)[spring-faces-2.3.1.RELEASE.jar:2.3.1.RELEASE] at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)[jboss-jsf-api_2.1_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1] at org.springframework.faces.webflow.FlowViewHandler.renderView(FlowViewHandler.java:99)[spring-faces-2.3.1.RELEASE.jar:2.3.1.RELEASE] at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)[jsf-impl-2.1.7-redhat-1.jar:2.1.7-redhat-1] at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)[jsf-impl-2.1.7-redhat-1.jar:2.1.7-redhat-1] at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)[jsf-impl-2.1.7-redhat-1.jar:2.1.7-redhat-1] at org.springframework.faces.webflow.FlowLifecycle.render(FlowLifecycle.java:80)[spring-faces-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.faces.webflow.JsfView.render(JsfView.java:89)[spring-faces-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.engine.ViewState.render(ViewState.java:296)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.engine.ViewState.refresh(ViewState.java:243)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.engine.ViewState.resume(ViewState.java:221)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.engine.Flow.resume(Flow.java:545)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)[spring-webflow-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.faces.webflow.JsfFlowHandlerAdapter.handle(JsfFlowHandlerAdapter.java:48)[spring-faces-2.3.1.RELEASE.jar:2.3.1.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)[jboss-servlet-api_3.0_spec-1.0.1.Final-redhat-1.jar:1.0.1.Final-redhat-1] at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)[jboss-servlet-api_3.0_spec-1.0.1.Final-redhat-1.jar:1.0.1.Final-redhat-1] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)[primefaces-3.5.7-3.5.7.jar:] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)[jbossweb-7.0.16.Final-redhat-1.jar:] at com.yammer.metrics.web.WebappMetricsFilter.doFilter(WebappMetricsFilter.java:76)[metrics-web-2.1.3.jar:] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)[spring-security-web-3.1.3.RELEASE.jar:3.1.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)[spring-web-3.2.2.RELEASE.jar:3.2.2.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)[spring-web-3.2.2.RELEASE.jar:3.2.2.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50)[jboss-as-jpa-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1] at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)[jboss-as-web-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:679)[jbossweb-7.0.16.Final-redhat-1.jar:] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:931)[jbossweb-7.0.16.Final-redhat-1.jar:] at java.lang.Thread.run(Thread.java:722)[rt.jar:1.7.0_04]