Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apereo Issues by Paul Gazda, 1 year ago
via Apereo Issues by Paul Gazda, 2 years ago
java.lang.NullPointerException at org.jasig.portlet.announcements.service.UserConfiguredTopicSubscriptionService.topicSubscriptionExists(UserConfiguredTopicSubscriptionService.java:212) at org.jasig.portlet.announcements.service.UserConfiguredTopicSubscriptionService.getTopicSubscription(UserConfiguredTopicSubscriptionService.java:147) at org.jasig.portlet.announcements.service.UserConfiguredTopicSubscriptionService.getTopicSubscription(UserConfiguredTopicSubscriptionService.java:202) at org.jasig.portlet.announcements.controller.AnnouncementsViewController.mainView(AnnouncementsViewController.java:152) 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.GeneratedMethodAccessor329.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.GeneratedMethodAccessor112.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.$Proxy195.render(Unknown Source) at org.apache.pluto.container.impl.PortletContainerImpl.doRender(PortletContainerImpl.java:157) at org.jasig.portal.portlet.rendering.PortletRendererImpl.doRender(PortletRendererImpl.java:414) at org.jasig.portal.portlet.rendering.PortletRendererImpl.doRenderMarkup(PortletRendererImpl.java:246) 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$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724)