stack trace for https://issues.jasig.org/browse/UP-4159

gistfile1.txt

SEVERE: Servlet.service() for servlet PortletMarketplace threw exception
java.lang.NullPointerException
	at org.jasig.portal.portlet.registry.PortletCategoryRegistryImpl.getTopLevelPortletCategory(PortletCategoryRegistryImpl.java:242)
	at org.jasig.portal.portlets.marketplace.PortletMarketplaceController.setUpInitialView(PortletMarketplaceController.java:225)
	at org.jasig.portal.portlets.marketplace.PortletMarketplaceController.initializeView(PortletMarketplaceController.java:128)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:362)
	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.doHandle(AnnotationMethodHandlerAdapter.java:349)
	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.handleRender(AnnotationMethodHandlerAdapter.java:291)
	at org.springframework.web.portlet.DispatcherPortlet.doRenderService(DispatcherPortlet.java:768)
	at org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:522)
	at org.springframework.web.portlet.FrameworkPortlet.doDispatch(FrameworkPortlet.java:470)
	at javax.portlet.GenericPortlet.render(GenericPortlet.java:248)
	at org.jasig.portal.portlet.container.FilterChainImpl.doFilter(FilterChainImpl.java:184)
	at org.jasig.portal.portlet.container.FilterChainImpl.processFilter(FilterChainImpl.java:100)
	at org.jasig.portal.portlet.container.FilterManagerImpl.processFilter(FilterManagerImpl.java:111)
	at org.apache.pluto.container.driver.PortletServlet.dispatch(PortletServlet.java:340)
	at org.apache.pluto.container.driver.PortletServlet.doGet(PortletServlet.java:261)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)
	at org.apache.pluto.driver.container.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:233)
	at org.apache.pluto.driver.container.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:117)
	at sun.reflect.GeneratedMethodAccessor224.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
	at org.jasig.portal.portlet.dao.jpa.ThreadContextClassLoaderAspect.doThreadContextClassLoaderUpdate(ThreadContextClassLoaderAspect.java:70)
	at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
	at com.sun.proxy.$Proxy280.render(Unknown Source)
	at org.apache.pluto.container.impl.PortletContainerImpl.doRender(PortletContainerImpl.java:157)
	at org.jasig.portal.portlet.rendering.PortletRendererImpl.doRender(PortletRendererImpl.java:407)
	at org.jasig.portal.portlet.rendering.PortletRendererImpl.doRenderMarkup(PortletRendererImpl.java:240)
	at org.jasig.portal.portlet.rendering.worker.PortletRenderExecutionWorker.callInternal(PortletRenderExecutionWorker.java:65)
	at org.jasig.portal.portlet.rendering.worker.PortletRenderExecutionWorker.callInternal(PortletRenderExecutionWorker.java:42)
	at org.jasig.portal.portlet.rendering.worker.PortletExecutionWorker$1.call(PortletExecutionWorker.java:137)
	at org.jasig.portal.portlet.rendering.worker.PortletExecutionWorker$ExecutionLifecycleCallable.call(PortletExecutionWorker.java:177)
	at org.jasig.portal.portlet.rendering.worker.PortletExecutionCallable.call(PortletExecutionCallable.java:119)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)