2014-06-18 08:48:08,213 WARN  info.magnolia.event.SimpleEventBus                : Exception caught when dispatching a class info.magnolia.ui.api.event.ContentChangedEvent event with class info.magnolia.ui.contentapp.browser.BrowserPresenter$1 eventHandler.
com.vaadin.ui.Table$CacheUpdateException: Error during Table cache update.
	at com.vaadin.ui.Table.maybeThrowCacheUpdateExceptions(Table.java:1716)
	at com.vaadin.ui.Table.refreshRenderedCells(Table.java:1705)
	at com.vaadin.ui.Table.refreshRowCache(Table.java:2639)
	at com.vaadin.ui.Table.containerItemSetChange(Table.java:4445)
	at com.vaadin.ui.TreeTable.containerItemSetChange(TreeTable.java:612)
	at info.magnolia.ui.workbench.container.AbstractJcrContainer.fireItemSetChange(AbstractJcrContainer.java:198)
	at info.magnolia.ui.workbench.tree.HierarchicalJcrContainer.refresh(HierarchicalJcrContainer.java:125)
	at info.magnolia.ui.workbench.list.ListPresenter.refresh(ListPresenter.java:114)
	at info.magnolia.ui.workbench.WorkbenchPresenter.refresh(WorkbenchPresenter.java:221)
	at info.magnolia.ui.contentapp.browser.BrowserPresenter$1.onContentChanged(BrowserPresenter.java:163)
	at info.magnolia.ui.api.event.ContentChangedEvent.dispatch(ContentChangedEvent.java:81)
	at info.magnolia.ui.api.event.ContentChangedEvent.dispatch(ContentChangedEvent.java:44)
	at info.magnolia.event.SimpleEventBus.fireEvent(SimpleEventBus.java:78)
	at info.magnolia.event.ResettableEventBus.fireEvent(ResettableEventBus.java:70)
	at info.magnolia.event.ResettableEventBus.fireEvent(ResettableEventBus.java:70)
	at info.magnolia.ui.contentapp.detail.action.RestorePreviousVersionAction.execute(RestorePreviousVersionAction.java:90)
	at info.magnolia.ui.api.action.AbstractActionExecutor.execute(AbstractActionExecutor.java:62)
	at info.magnolia.ui.contentapp.browser.BrowserPresenter.executeAction(BrowserPresenter.java:333)
	at info.magnolia.ui.contentapp.browser.BrowserPresenter.onActionbarItemClicked(BrowserPresenter.java:292)
	at info.magnolia.ui.actionbar.ActionbarPresenter.onActionbarItemClicked(ActionbarPresenter.java:205)
	at info.magnolia.ui.actionbar.ActionbarViewImpl$1.actionTrigger(ActionbarViewImpl.java:67)
	at sun.reflect.GeneratedMethodAccessor618.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:508)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:167)
	at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:969)
	at info.magnolia.ui.vaadin.actionbar.Actionbar.access$000(Actionbar.java:59)
	at info.magnolia.ui.vaadin.actionbar.Actionbar$1.onActionTriggered(Actionbar.java:72)
	at sun.reflect.GeneratedMethodAccessor617.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:168)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:118)
	at com.vaadin.server.communication.ServerRpcHandler.handleBurst(ServerRpcHandler.java:214)
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:111)
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:91)
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:37)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1371)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238)
	at info.magnolia.ui.admincentral.AdmincentralVaadinServlet.service(AdmincentralVaadinServlet.java:131)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:147)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:68)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58)
	at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:66)
	at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:153)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:73)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:84)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:83)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:93)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.templatingkit.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:112)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.multisite.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:106)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:82)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:104)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:56)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.module.devicedetection.filter.DeviceDetectionFilter.doFilter(DeviceDetectionFilter.java:71)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.personalization.preview.filter.PreviewFilter.doFilter(PreviewFilter.java:92)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:103)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:129)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:106)
	at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:66)
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:107)
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	at info.magnolia.module.googlesitemap.app.subapp.sitemapdetail.formatter.FolderNameColumnFormatter.generateCell(FolderNameColumnFormatter.java:81)
	at com.vaadin.ui.Table.parseItemIdToCells(Table.java:2312)
	at com.vaadin.ui.Table.getVisibleCellsNoCache(Table.java:2173)
	at com.vaadin.ui.Table.refreshRenderedCells(Table.java:1694)
	... 137 more