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 Andrew Petro, 2 years ago
The portlet window 'PortletWindowImpl[portletWindowId=2097.n287,contextPath=/CalendarPortlet,portletName=calendar,windowState=normal,portletMode=view,expirationCache=<null>,requestParameters={}]' threw an exception while executing action. channelPublishId=27, channelSubscribeId=n287, user=apetro
via Apereo Issues by Jennifer Bourey, 2 years ago
The portlet window 'PortletWindowImpl[portletWindowId=46.n58,contextPath=/FeedbackPortlet,portletName=SubmitFeedbackPortlet,windowState=normal,portletMode=view,expirationCache=<null>,requestParameters={}]' threw an exception while executing action
via Apereo Issues by Bruce Tong, 2 years ago
Exception executing portlet RenderRequest: [channelPublishId=1, channelSubscribeId=n20, portletApplicationId=/CalendarPortlet, portletName=calendar, user=tongb]
org.jasig.portal.channels.portlet.PortletDispatchException: The portlet window 'PortletWindowImpl[portletWindowId=2097.n287,contextPath=/CalendarPortlet,portletName=calendar,windowState=normal,portletMode=view,expirationCache=<null>,requestParameters={}]' threw an exception while executing action. channelPublishId=27, channelSubscribeId=n287, user=apetro at org.jasig.portal.channels.portlet.SpringPortletChannelImpl.render(SpringPortletChannelImpl.java:467) at org.jasig.portal.channels.portlet.CSpringPortletAdaptor.renderCharacters(CSpringPortletAdaptor.java:184) at org.jasig.portal.ChannelRenderer$Worker.execute(ChannelRenderer.java:545) at org.jasig.portal.utils.threading.BaseTask.run(BaseTask.java:27) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269) at java.util.concurrent.FutureTask.run(FutureTask.java:123) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) at java.lang.Thread.run(Thread.java:595)Caused by: javax.portlet.PortletException: Request processing failed at org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:474) at org.springframework.web.portlet.FrameworkPortlet.doDispatch(FrameworkPortlet.java:431) at javax.portlet.GenericPortlet.render(GenericPortlet.java:175) at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208) at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505) at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167) at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101) at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:173) at org.jasig.portal.channels.portlet.SpringPortletChannelImpl.render(SpringPortletChannelImpl.java:463) ... 9 moreCaused by: com.thoughtworks.xstream.converters.ConversionException: atom:link : atom:link : atom:link : atom:link---- Debugging information ----message : atom:link : atom:linkcause-exception : com.thoughtworks.xstream.mapper.CannotResolveClassExceptioncause-message : atom:link : atom:linkclass : edu.yale.its.tp.portlets.calendar.service.rss.xstream.RssCalendarrequired-type : edu.yale.its.tp.portlets.calendar.service.rss.xstream.RssChannelpath : /rss/channel/atom:linkline number : 4------------------------------- at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:88) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:55) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:75) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField(AbstractReflectionConverter.java:234) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:206) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:150) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:81) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:55) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:75) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:59) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:142) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:931) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:917) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:869) at edu.yale.its.tp.portlets.calendar.adapter.RssCalendarAdapter.getEvents(RssCalendarAdapter.java:128) at edu.yale.its.tp.portlets.calendar.adapter.RssCalendarAdapter.getEvents(RssCalendarAdapter.java:90) at edu.yale.its.tp.portlets.calendar.adapter.RssCalendarAdapter.getEvents(RssCalendarAdapter.java:66) at edu.yale.its.tp.portlets.calendar.mvc.controller.CalendarController.handleRenderRequestInternal(CalendarController.java:232) at org.springframework.web.portlet.mvc.AbstractController.handleRenderRequest(AbstractController.java:223) at org.springframework.web.portlet.mvc.SimpleControllerHandlerAdapter.handleRender(SimpleControllerHandlerAdapter.java:52) at org.springframework.web.portlet.DispatcherPortlet.doRenderService(DispatcherPortlet.java:788) at org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:461) ... 24 moreCaused by: com.thoughtworks.xstream.mapper.CannotResolveClassException: atom:link : atom:link at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:62) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.CGLIBMapper.realClass(CGLIBMapper.java:50) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:71) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:86) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:87) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:52) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.determineType(AbstractReflectionConverter.java:318) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:196) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:150) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:81) ... 46 more