Internal Error



There has been an error in the program. We apologize for any inconvenience. Please try one of the following:
Details
Error attaching this container for rendering: [MarkupContainer [Component id = bookListContainer]]

java.lang.NullPointerException

  • org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)
  • org.cast.udlstudio.data.model.LoadableDetachableListModel.load(LoadableDetachableListModel.java:20)
  • org.cast.udlstudio.data.model.LoadableDetachableListModel.load(LoadableDetachableListModel.java:8)
  • org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:120)
  • org.cast.udlstudio.data.provider.HibernateCriteriaDataProvider.size(HibernateCriteriaDataProvider.java:26)
  • org.apache.wicket.markup.repeater.data.DataViewBase.internalGetItemCount(DataViewBase.java:141)
  • org.apache.wicket.markup.repeater.AbstractPageableView.getItemCount(AbstractPageableView.java:258)
  • org.apache.wicket.markup.repeater.AbstractPageableView.getRowCount(AbstractPageableView.java:240)
  • org.apache.wicket.markup.repeater.AbstractPageableView.getViewSize(AbstractPageableView.java:352)
  • org.apache.wicket.markup.repeater.AbstractPageableView.getItemModels(AbstractPageableView.java:105)
  • org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:94)
  • org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:131)
  • org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:121)
  • org.apache.wicket.Component.internalBeforeRender(Component.java:1069)
  • org.apache.wicket.Component.beforeRender(Component.java:1103)
  • org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1777)
  • org.apache.wicket.Component.onBeforeRender(Component.java:4001)
  • org.apache.wicket.Component.internalBeforeRender(Component.java:1069)
  • org.apache.wicket.Component.beforeRender(Component.java:1103)
  • org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1777)
  • org.apache.wicket.Component.onBeforeRender(Component.java:4001)
  • org.apache.wicket.Component.internalBeforeRender(Component.java:1069)
  • org.apache.wicket.Component.beforeRender(Component.java:1103)
  • org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1777)
  • org.apache.wicket.Component.onBeforeRender(Component.java:4001)
  • org.apache.wicket.extensions.markup.html.tabs.TabbedPanel.onBeforeRender(TabbedPanel.java:244)
  • org.apache.wicket.Component.internalBeforeRender(Component.java:1069)
  • org.apache.wicket.Component.beforeRender(Component.java:1103)
  • org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1777)
  • org.apache.wicket.Component.onBeforeRender(Component.java:4001)
  • org.apache.wicket.Page.onBeforeRender(Page.java:1555)
  • org.apache.wicket.Component.internalBeforeRender(Component.java:1069)
  • org.apache.wicket.Component.beforeRender(Component.java:1103)
  • org.apache.wicket.Component.prepareForRender(Component.java:2297)
  • org.apache.wicket.Page.prepareForRender(Page.java:1545)
  • org.apache.wicket.Component.prepareForRender(Component.java:2329)
  • org.apache.wicket.Page.renderPage(Page.java:912)
  • org.apache.wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:201)
  • org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:58)
  • org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105)
  • org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1287)
  • org.apache.wicket.RequestCycle.step(RequestCycle.java:1358)
  • org.apache.wicket.RequestCycle.steps(RequestCycle.java:1465)
  • org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
  • org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
  • org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:319)
  • org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  • org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  • org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  • org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  • org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  • org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  • org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  • org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
  • org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:876)
  • org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:618)
  • org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1790)
  • java.lang.Thread.run(Thread.java:745)

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