Hi, I still get exception, even though I just add <br/>, I got:
WicketMessage: No matching close bracket at position 905 I don't know why it said no close bracket... Altuğ B. Altıntaş wrote: > > <wicket:border> > > icon.gif ! > <br/> > > <wicket:body/> > </wicket:border> >> >> >> > > Try above . > > Maybe error occurs because of hierarchy; i mean it your html; img is > child > of errorIndicator but i think in your java code site there is hierarchy > like this. > > note: it is just a guess ! > > Regards. > > > >> >> 2009/9/27 Anders <[email protected]> > >> Hi, >> >> I'd like to customize FormComponentFeedbackBorder class to provide a >> error >> icon, so I extend FormComponentFeedbackBorder class and copy >> FormComponentFeedbackBorder.html from wicket source. >> I modify FormComponentFeedbackBorder.html to add below: >> >> <wicket:border> >> src="icon.gif"/>!<br/> >> <wicket:body/> >> </wicket:border> >> >> If I remove tag from my html, my application works fine, but add >> >> tag, it will show below exception message: >> >> WicketMessage: Exception in rendering component: [MarkupContainer >> [Component id = _header_0]] >> >> Root cause: >> >> java.lang.NullPointerException >> at >> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768) >> at >> org.apache.wicket.markup.MarkupCache$DefaultCacheImplementation.get(MarkupCache.java:744) >> at >> org.apache.wicket.markup.MarkupCache.removeMarkup(MarkupCache.java:131) >> at >> org.apache.wicket.markup.MarkupCache.loadMarkup(MarkupCache.java:491) >> at >> org.apache.wicket.markup.MarkupCache.loadMarkupAndWatchForChanges(MarkupCache.java:559) >> at >> org.apache.wicket.markup.MarkupCache.getMarkup(MarkupCache.java:325) >> at >> org.apache.wicket.markup.MarkupCache.getMarkupStream(MarkupCache.java:216) >> at >> org.apache.wicket.MarkupContainer.getAssociatedMarkupStream(MarkupContainer.java:351) >> at >> org.apache.wicket.markup.html.ContainerWithAssociatedMarkupHelper.renderHeadFromAssociatedMarkupFile(ContainerWithAssociatedMarkupHelper.java:72) >> at >> org.apache.wicket.markup.html.WebMarkupContainerWithAssociatedMarkup.renderHeadFromAssociatedMarkupFile(WebMarkupContainerWithAssociatedMarkup.java:73) >> at >> org.apache.wicket.markup.html.panel.Panel.renderHead(Panel.java:137) >> at >> org.apache.wicket.markup.html.internal.HtmlHeaderContainer$1.component(HtmlHeaderContainer.java:231) >> at >> org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:878) >> at >> org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:893) >> at >> org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:918) >> at >> org.apache.wicket.markup.html.internal.HtmlHeaderContainer.renderHeaderSections(HtmlHeaderContainer.java:222) >> at >> org.apache.wicket.markup.html.internal.HtmlHeaderContainer.onComponentTagBody(HtmlHeaderContainer.java:137) >> at org.apache.wicket.Component.renderComponent(Component.java:2626) >> at >> org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1536) >> at org.apache.wicket.Component.render(Component.java:2457) >> at >> org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:229) >> at >> org.apache.wicket.markup.resolver.HtmlHeaderResolver.resolve(HtmlHeaderResolver.java:80) >> at >> org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1441) >> at >> org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1552) >> at org.apache.wicket.Page.onRender(Page.java:1545) >> at org.apache.wicket.Component.render(Component.java:2457) >> at org.apache.wicket.Page.renderPage(Page.java:914) >> at >> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:262) >> at >> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105) >> at >> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1258) >> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329) >> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428) >> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545) >> at >> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456) >> at >> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:289) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) >> at >> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) >> at >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) >> at java.lang.Thread.run(Thread.java:619) >> >> Complete stack: >> >> org.apache.wicket.WicketRuntimeException: Exception in rendering >> component: [MarkupContainer [Component id = _header_0]] >> at org.apache.wicket.Component.renderComponent(Component.java:2665) >> at >> org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1536) >> at org.apache.wicket.Component.render(Component.java:2457) >> at >> org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:229) >> at >> org.apache.wicket.markup.resolver.HtmlHeaderResolver.resolve(HtmlHeaderResolver.java:80) >> at >> org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1441) >> at >> org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1552) >> at org.apache.wicket.Page.onRender(Page.java:1545) >> at org.apache.wicket.Component.render(Component.java:2457) >> at org.apache.wicket.Page.renderPage(Page.java:914) >> at >> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:262) >> at >> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105) >> at >> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1258) >> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329) >> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428) >> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545) >> at >> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456) >> >> >> Please tell me why NullPointException just by adding a html tag? >> Thank you very much >> -- >> －－－－－－－－－－－－－－－－－－ >> ~Mia は 最高！~ >> －－－－－－－－－－－－－－－－－－ >> > > > > -- > Altuğ. > > -- View this message in context: http://www.nabble.com/NullPointException-in-subclass-of-FormComponentFeedbackBorder-tp25631454p25639973.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
