05-Jan-2021 20:15:57.387 WARN [http-nio-20013-exec-2] PonderUtilCore.handleLevel1Error Exception rendering view: 

java.lang.NullPointerException

	at org.sakaiproject.lessonbuildertool.tool.producers.ReorderProducer.fillComponents(ReorderProducer.java:285)

	at uk.org.ponder.rsf.view.support.ViewCollector.fillComponents(ViewCollector.java:56)

	at uk.org.ponder.rsf.view.support.LayoutCollector.fillComponents(LayoutCollector.java:68)

	at sun.reflect.GeneratedMethodAccessor2632.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:498)

	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)

	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205)

	at com.sun.proxy.$Proxy533.fillComponents(Unknown Source)

	at uk.org.ponder.rsf.view.support.ViewGenerator.generateView(ViewGenerator.java:53)

	at uk.org.ponder.rsf.processor.support.RSFRenderHandler$1.run(RSFRenderHandler.java:79)

	at uk.org.ponder.rsf.processor.support.RequestInvoker$1.run(RequestInvoker.java:46)

	at uk.org.ponder.util.CollectingRunnableInvoker$1.run(CollectingRunnableInvoker.java:25)

	at uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper.invokeRunnable(BasicScopedAlterationWrapper.java:59)

	at uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$FastClassBySpringCGLIB$$84f89202.invoke(<generated>)

	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)

	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)

	at uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$EnhancerBySpringCGLIB$$497bbcf7.invokeRunnable(<generated>)

	at uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$FastClassBySpringCGLIB$$84f89202.invoke(<generated>)

	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)

	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)

	at uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$EnhancerBySpringCGLIB$$497bbcf7.invokeRunnable(<generated>)

	at uk.org.ponder.util.CollectingRunnableInvoker$1.run(CollectingRunnableInvoker.java:29)

	at uk.org.ponder.util.CollectingRunnableInvoker.invokeWrappers(CollectingRunnableInvoker.java:32)

	at uk.org.ponder.util.CollectingRunnableInvoker.invokeRunnable(CollectingRunnableInvoker.java:14)

	at uk.org.ponder.rsf.processor.support.RequestInvoker.invokeRunnable(RequestInvoker.java:39)

	at uk.org.ponder.rsf.processor.support.RSFRenderHandler.handle(RSFRenderHandler.java:75)

	at uk.org.ponder.rsf.processor.support.RSFRenderHandler$$FastClassBySpringCGLIB$$5bda3a3d.invoke(<generated>)

	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)

	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)

	at uk.org.ponder.rsf.processor.support.RSFRenderHandler$$EnhancerBySpringCGLIB$$39423288.handle(<generated>)

	at uk.org.ponder.rsf.processor.support.RenderHandlerBracketer.handle(RenderHandlerBracketer.java:82)

	at uk.org.ponder.rsf.processor.support.RenderHandlerBracketer$$FastClassBySpringCGLIB$$3055fa0f.invoke(<generated>)

	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)

	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687)

	at uk.org.ponder.rsf.processor.support.RenderHandlerBracketer$$EnhancerBySpringCGLIB$$fc1ae53e.handle(<generated>)

	at uk.org.ponder.rsf.processor.support.RootHandlerBeanBase.handleGet(RootHandlerBeanBase.java:97)

	at uk.org.ponder.rsf.processor.support.RootHandlerBeanBase.handle(RootHandlerBeanBase.java:79)

	at org.sakaiproject.lessonbuildertool.util.RootHandlerBeanOverride.handle(RootHandlerBeanOverride.java:43)

	at sun.reflect.GeneratedMethodAccessor2515.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:498)

	at uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:34)

	at uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:22)

	at uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:92)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl.createBean(RSACBeanLocatorImpl.java:553)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl.access$000(RSACBeanLocatorImpl.java:75)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl$1.run(RSACBeanLocatorImpl.java:449)

	at uk.org.ponder.rsac.RSACErrorBridge.invokeRunnable(RSACErrorBridge.java:38)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl.createBean(RSACBeanLocatorImpl.java:447)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl.getLocalBean(RSACBeanLocatorImpl.java:348)

	at uk.org.ponder.rsac.support.RSACBeanLocatorImpl.getBean(RSACBeanLocatorImpl.java:379)

	at uk.org.ponder.rsac.support.PerRequestInfo$1.locateBean(PerRequestInfo.java:49)

	at org.sakaiproject.rsf.servlet.ReasonableSakaiServlet.service(ReasonableSakaiServlet.java:89)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

	at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:447)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:459)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:352)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)

	at org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:508)

	at org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1499)

	at org.sakaiproject.portal.charon.handlers.SiteHandler.doToolBuffer(SiteHandler.java:1222)

	at org.sakaiproject.portal.charon.handlers.SiteHandler.bufferContent(SiteHandler.java:1056)

	at org.sakaiproject.portal.charon.handlers.SiteHandler.doSite(SiteHandler.java:499)

	at org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:275)

	at org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:163)

	at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:855)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

	at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:496)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)

	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)

	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)

	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)

	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)

	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:679)

	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)

	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)

	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)

	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)

	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)

	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

	at java.lang.Thread.run(Thread.java:748)

05-Jan-2021 20:15:57.387 WARN [http-nio-20013-exec-2] PonderUtilCore.handleLevel1Error Got target exception of class java.lang.NullPointerException

05-Jan-2021 20:15:57.388 WARN [http-nio-20013-exec-2] PonderUtilCore.handleLevel1Error Error creating view tree - token 64uDPacHFrIg1LofMRgx3QNe