like i said in the jira issue, the NPE is in your code, not in wicket's. -igor
On Sun, Nov 14, 2010 at 11:26 AM, smallufo <[email protected]> wrote: > Hi Igor : > > Please re-verify WICKET-3162 > (and run the quickstart) > > It's not solved. > > > 2010/11/12 Igor Vaynberg <[email protected]> > >> jira+quickstart >> >> -igor >> >> On Thu, Nov 11, 2010 at 5:48 PM, smallufo <[email protected]> wrote: >> > Hi , thanks >> > I tried , but NPE is still thrown , with the same stacktrace... >> > Is there anything I missed ? >> > >> > Here is my border's HTML : >> > >> > <div wicket:id="content"> >> > <wicket:body/> >> > </div> >> > >> > border's java code : >> > >> > content = new WebMarkupContainer("content"); >> > >> > content.setOutputMarkupPlaceholderTag(true); >> > content.setVisible(defaultExpanded); >> > content.setRenderBodyOnly(false); >> > add(content); >> > content.add(getBodyContainer()); >> > >> > and the ajax link's onClick() : >> > >> > Link<Void> collapseExpandLink = new >> > AjaxFallbackLink<Void>("collapseExpandLink") >> > { >> > �...@override >> > public void onClick(AjaxRequestTarget target) >> > { >> > expanded=!expanded; >> > content.setVisible(expanded); >> > target.addComponent(content); >> > } >> > }; >> > add(collapseExpandLink); >> > >> > >> > >> > >> > 2010/11/12 Igor Vaynberg <[email protected]> >> > >> >> >> s/border.add(commentsView);/border.getbodycontainer().add(commentsView);/ >> >> >> >> On Thu, Nov 11, 2010 at 1:42 PM, smallufo <[email protected]> wrote: >> >> > Hi , I have a simple panel , with a border and a listView : >> >> > >> >> > <span wicket:id="border"> >> >> > <wicket:container wicket:id="commentsView"> >> >> > <div> >> >> > //comment layout >> >> > </div> >> >> > </wicket:container> >> >> > </span> >> >> > >> >> > And the code : >> >> > >> >> > add(border); >> >> > ListView<Comment> commentsView = new ListView<Comment>("commentsView" >> , >> >> new >> >> > LoadableDetachableModel<List<Comment>>() >> >> > { >> >> > �...@override >> >> > protected List<Comment> load() { >> >> > return commentDao.getComments(0 , 10); >> >> > } >> >> > }) >> >> > { >> >> > �...@override >> >> > protected void populateItem(ListItem<Comment> item) { >> >> > //comment layout >> >> > } >> >> > }; >> >> > border.add(commentsView); >> >> > commentsView.setReuseItems(false); >> >> > >> >> > The Panel has a border , with a clickable button , can be used to >> >> > collapse/expand the content of the border with AJAX. >> >> > Here is my steps : >> >> > >> >> > 1. I first collapse the panel . >> >> > 2. Then open another browser panel , add a comment. (the underlaying >> data >> >> > model is changed) >> >> > 3. Back to the original panel , expand the panel ... >> >> > >> >> > And I got a NPE : >> >> > >> >> > 2010-11-12 05:19:12,661 ERROR wicket.RequestCycle - Exception in >> >> rendering >> >> > component: [MarkupContainer [Component id = _body]] >> >> > org.apache.wicket.WicketRuntimeException: Exception in rendering >> >> component: >> >> > [MarkupContainer [Component id = _body]] >> >> > at >> >> org.apache.wicket.Component.renderComponent(Component.java:2725) >> >> > at >> >> > org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1538) >> >> > at org.apache.wicket.Component.render(Component.java:2517) >> >> > at >> >> > >> org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1440) >> >> > at >> >> > >> >> >> org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1603) >> >> > at >> >> > >> >> >> org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1527) >> >> > at >> >> org.apache.wicket.Component.renderComponent(Component.java:2686) >> >> > at >> >> > org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1538) >> >> > >> >> > ... >> >> > >> >> > Caused by: java.lang.NullPointerException >> >> > at >> >> > >> >> >> org.apache.wicket.markup.html.border.Border$BorderBodyContainer.onComponentTagBody(Border.java:375) >> >> > at >> >> org.apache.wicket.Component.renderComponent(Component.java:2686) >> >> > ... 45 more >> >> > >> >> > Can anybody tell me where goes wrong ? Thanks. >> >> > Wicket 1.4.13 >> >> > >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: [email protected] >> >> For additional commands, e-mail: [email protected] >> >> >> >> >> > >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
