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] > >
