Bad example, because AttributeAppender isn't temporary, but I've written one for requesting the focus onload and that had to be temporary.
On Tue, Nov 4, 2008 at 12:03 PM, James Carman <[EMAIL PROTECTED]> wrote: > A temporary behavior returns true from isTemporary(). Some behaviors > don't need to be remembered on the server-side (like > AttributeAppender, for example). > > On Tue, Nov 4, 2008 at 12:01 PM, Martin Makundi > <[EMAIL PROTECTED]> wrote: >> What is a temporary behavior? >> >> I do not understand conceptually how a behavior can be invoked if it >> is no longer there.. >> >> The error log shows a nearby nullpointer exception which might have >> occurred during the same OnAjaxChangeBehavior .. maybe it led into an >> illegal state: >> >> at org.apache.wicket.Component.setModelObject(Component.java:2951) >> at >> org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1082) >> at org.apache.wicket.markup.html.form.Form$19.validate(Form.java:1810) >> at >> org.apache.wicket.markup.html.form.Form$ValidationVisitor.formComponent(Form.java:162) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:426) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:413) >> at >> org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrder(FormComponent.java:390) >> at >> org.apache.wicket.markup.html.form.Form.visitFormComponentsPostOrder(Form.java:1049) >> at >> org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:1801) >> at >> org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:1769) >> at org.apache.wicket.markup.html.form.Form.process(Form.java:851) >> at >> org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:793) >> at >> org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBehavior.java:132) >> at >> org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:161) >> at >> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:298) >> at >> org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:100) >> at >> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91) >> >> >> >> 2008/11/4 Igor Vaynberg <[EMAIL PROTECTED]>: >>> looks like the behavior that generated the callbakc url being invoked >>> is no longer there... >>> >>> do you have any temporary behaviors on that component? >>> >>> -igor >>> >>> On Tue, Nov 4, 2008 at 9:07 AM, Martin Makundi >>> <[EMAIL PROTECTED]> wrote: >>>> Hi! >>>> >>>> What does this error mean? >>>> >>>> No behavior listener found with behaviorId 0 >>>> >>>> What is being done wrong? Normally, the site works ok but the error >>>> log shows this kind of error. >>>> >>>> Am I manifesting some known Wicket antipattern which causes this >>>> error? Or is it just a result of another illegal state? >>>> >>>> at >>>> org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:95) >>>> at >>>> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91) >>>> at >>>> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1174) >>>> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1251) >>>> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1352) >>>> at org.apache.wicket.RequestCycle.request(RequestCycle.java:499) >>>> at >>>> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:375) >>>> at >>>> org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:145) >>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) >>>> at wicket.quickstart.TakpServlet.service(TakpServlet.java:58) >>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) >>>> at >>>> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491) >>>> at >>>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:367) >>>> at >>>> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185) >>>> at >>>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) >>>> at >>>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689) >>>> at >>>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391) >>>> at >>>> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:146) >>>> at >>>> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) >>>> at >>>> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) >>>> at org.mortbay.jetty.Server.handle(Server.java:285) >>>> at >>>> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457) >>>> at >>>> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:765) >>>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:627) >>>> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:203) >>>> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357) >>>> at >>>> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:217) >>>> at >>>> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475) >>>> >>>> >>>> ** >>>> Martin >>>> >>>> --------------------------------------------------------------------- >>>> 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] >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
