Hi all,
maybe i found a bug. Don't know if I'm doing something wrong. But it's a simple usecase. Following code produces an exception: public class HomePage extends WebPage { private static final long serialVersionUID = 1L; private static int testCounter = 0; public HomePage(final PageParameters parameters) { // Add the simplest type of label final Label test = new Label("message", "If you see this message wicket is properly configured and running"); test.add(new AbstractAjaxTimerBehavior(Duration.seconds(1)) { @Override protected void onTimer(AjaxRequestTarget target) { Label t2 = new Label("message", "Test " + testCounter); test.replaceWith(t2); testCounter++; target.addComponent(test); } }); add(test); } } Exception: Root cause: java.lang.IllegalStateException: No Page found for component [Component id = message] at org.apache.wicket.Component.getPage(Component.java:1754) at org.apache.wicket.RequestCycle.urlFor(RequestCycle.java:872) at org.apache.wicket.Component.urlFor(Component.java:3286) at org.apache.wicket.behavior.AbstractAjaxBehavior.getCallbackUrl(AbstractA jaxBehavior.java:124) at org.apache.wicket.ajax.AbstractAjaxTimerBehavior.getCallbackScript(Abstr actAjaxTimerBehavior.java:127) at org.apache.wicket.ajax.AbstractAjaxTimerBehavior.getJsTimeoutCall(Abstra ctAjaxTimerBehavior.java:120) at org.apache.wicket.ajax.AbstractAjaxTimerBehavior.respond(AbstractAjaxTim erBehavior.java:163) at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDef aultAjaxBehavior.java:299) at org.apache.wicket.request.target.component.listener.BehaviorRequestTarge t.processEvents(BehaviorRequestTarget.java:119) at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(Ab stractRequestCycleProcessor.java:92) at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java :1250) 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:468 ) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java: 301) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHan dler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:2 16) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandler Collection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.jav a:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConne ction.java:915) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: 409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java :582) Greets Chris