That's great, thanks. I'll try it ASAP. Best regards, Michal Wegrzyn
> -----Original Message----- > From: Martin Grigorov [mailto:mgrigo...@apache.org] > Sent: Thursday, November 10, 2011 14:50 > To: users@wicket.apache.org > Subject: Re: abort loading lazy components > > This is fixed in 1.5.3 (currently in voting) > > On Thu, Nov 10, 2011 at 3:37 PM, Michal Wegrzyn > <michal.wegr...@onior.com> wrote: > >> -----Original Message----- > >> From: Martin Grigorov [mailto:mgrigo...@apache.org] > >> Sent: Thursday, November 10, 2011 9:48 > >> To: users@wicket.apache.org > >> Subject: Re: abort loading lazy components > >> > >> Hi, > >> > >> I see no solution for your case. > >> Using BookmarkablePageLink works as you confirmed but I'm not aware > of > >> clean way to cancel running Ajax requests and replace them with > >> completely new one. > >> > >> XMLHttpRequest has #abort() method which cancels the request but > this > >> will lead co "socket close exception"s in the server side. > >> > > > > Right, I've already looked at XMLHttpRequest#abort(). It wouldn't be > a "clean" solution anyway. > > > >> The best approach I see is to use the same AjaxChannel name for all > >> LazyLoadPanels and the AjaxLinks. The LazyLoadPanels should use type > >> QUEUE and the AjaxLinks - type DROP. This way all LazyLoadPanels > will > >> load sequencially and if you click an AjaxLink it will cancel all > >> pending LazyLoadPanels and will schedule the execution of the > AjaxLink > >> after the end of the currently loading LazyLoadPanel > >> > >> HTH > > > > That's what I've already done - Wicket schedules and executes > AjaxLink action (it does not wait for other lazy panels - so far, so > good ), but then (already during handling new ajax request) Wicket > throws exception. Isn't it a Wicket bug? > > > > 15:31:11.847 user [http-8888-2] WARN > o.a.w.r.h.render.WebPageRenderer - The Buffered response should be > handled by BufferedResponseRequestHandler > > 15:32:24.028 user [http-8888-5] ERROR > o.a.wicket.DefaultExceptionMapper - Unexpected error occurred > > org.apache.wicket.request.handler.ComponentNotFoundException: Could > not find component > 'folders:listContainer:itemList:29:itemPanel:folder:children' on page > 'class package.MyPage > > at > org.apache.wicket.request.handler.PageAndComponentProvider.getComponent > (PageAndComponentProvider.java:167) > > at > org.apache.wicket.request.handler.ListenerInterfaceRequestHandler.getCo > mponent(ListenerInterfaceRequestHandler.java:92) > > at > org.apache.wicket.request.handler.ListenerInterfaceRequestHandler.respo > nd(ListenerInterfaceRequestHandler.java:169) > > at > org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(Re > questCycle.java:750) > > at > org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerSta > ck.java:64) > > at > org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java: > 252) > > at > org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycl > e.java:209) > > at > org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(Re > questCycle.java:280) > > at > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilte > r.java:162) > > at > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java > :218) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > package.MyRequestContextFilter.doFilter(MyRequestContextFilter.java:43) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:368) > > at > org.springframework.security.web.access.intercept.FilterSecurityInterce > ptor.invoke(FilterSecurityInterceptor.java:109) > > at > org.springframework.security.web.access.intercept.FilterSecurityInterce > ptor.doFilter(FilterSecurityInterceptor.java:83) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.access.ExceptionTranslationFilter.doFi > lter(ExceptionTranslationFilter.java:97) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.session.SessionManagementFilter.doFilt > er(SessionManagementFilter.java:100) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.AnonymousAuthentication > Filter.doFilter(AnonymousAuthenticationFilter.java:78) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.servletapi.SecurityContextHolderAwareR > equestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.savedrequest.RequestCacheAwareFilter.d > oFilter(RequestCacheAwareFilter.java:35) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.AbstractAuthenticationP > rocessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:18 > 7) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.logout.LogoutFilter.doF > ilter(LogoutFilter.java:105) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.context.SecurityContextPersistenceFilt > er.doFilter(SecurityContextPersistenceFilter.java:79) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.FilterChainProxy.doFilter(FilterChainP > roxy.java:169) > > at > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(Del > egatingFilterProxy.java:237) > > at > org.springframework.web.filter.DelegatingFilterProxy.doFilter(Delegatin > gFilterProxy.java:167) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal > ve.java:233) > > at > org.apache.catalina.core.StandardContextValve.__invoke(StandardContextV > alve.java:191) > > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal > ve.java) > > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav > a:127) > > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav > a:102) > > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve > .java:109) > > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: > 298) > > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:8 > 57) > > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process > (Http11Protocol.java:588) > > at > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > > at java.lang.Thread.run(Unknown Source) 15:32:24.050 user > [http-8888-5] ERROR o.a.w.request.RequestHandlerStack - Error detaching > RequestHandler > > org.apache.wicket.request.handler.ComponentNotFoundException: Could > not find component > 'folders:listContainer:itemList:29:itemPanel:folder:children' on page > 'class package.MyPage > > at > org.apache.wicket.request.handler.PageAndComponentProvider.getComponent > (PageAndComponentProvider.java:167) > > at > org.apache.wicket.request.handler.logger.ListenerInterfaceLogData.<init > >(ListenerInterfaceLogData.java:51) > > at > org.apache.wicket.request.handler.ListenerInterfaceRequestHandler.detac > h(ListenerInterfaceRequestHandler.java:134) > > at > org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.detach(Req > uestCycle.java:761) > > at > org.apache.wicket.request.RequestHandlerStack.detach(RequestHandlerStac > k.java:180) > > at > org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java > :565) > > at > org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:5 > 08) > > at > org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(Re > questCycle.java:284) > > at > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilte > r.java:162) > > at > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java > :218) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > package.MyRequestContextFilter.doFilter(MyRequestContextFilter.java:43) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:368) > > at > org.springframework.security.web.access.intercept.FilterSecurityInterce > ptor.invoke(FilterSecurityInterceptor.java:109) > > at > org.springframework.security.web.access.intercept.FilterSecurityInterce > ptor.doFilter(FilterSecurityInterceptor.java:83) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.access.ExceptionTranslationFilter.doFi > lter(ExceptionTranslationFilter.java:97) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.session.SessionManagementFilter.doFilt > er(SessionManagementFilter.java:100) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.AnonymousAuthentication > Filter.doFilter(AnonymousAuthenticationFilter.java:78) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.servletapi.SecurityContextHolderAwareR > equestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.savedrequest.RequestCacheAwareFilter.d > oFilter(RequestCacheAwareFilter.java:35) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.AbstractAuthenticationP > rocessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:18 > 7) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.authentication.logout.LogoutFilter.doF > ilter(LogoutFilter.java:105) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.context.SecurityContextPersistenceFilt > er.doFilter(SecurityContextPersistenceFilter.java:79) > > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.do > Filter(FilterChainProxy.java:380) > > at > org.springframework.security.web.FilterChainProxy.doFilter(FilterChainP > roxy.java:169) > > at > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(Del > egatingFilterProxy.java:237) > > at > org.springframework.web.filter.DelegatingFilterProxy.doFilter(Delegatin > gFilterProxy.java:167) > > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic > ationFilterChain.java:235) > > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil > terChain.java:206) > > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal > ve.java:233) > > at > org.apache.catalina.core.StandardContextValve.__invoke(StandardContextV > alve.java:191) > > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal > ve.java) > > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav > a:127) > > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav > a:102) > > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve > .java:109) > > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: > 298) > > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:8 > 57) > > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process > (Http11Protocol.java:588) > > at > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > > at java.lang.Thread.run(Unknown Source) > > 15:32:24.183 user [http-8888-2] WARN > o.a.w.r.h.render.WebPageRenderer - The Buffered response should be > handled by BufferedResponseRequestHandler > > > > > >> On Thu, Nov 10, 2011 at 10:37 AM, Michal Wegrzyn > >> <michal.wegr...@onior.com> wrote: > >> > Hi, > >> > > >> > Could you please tell me what is the status of this issue? > >> > Should I create a Jira issue and/or quickstart or is it won't > >> fix/invalid? > >> > > >> > Best regards, > >> > Michal Wegrzyn > >> > > >> >> -----Original Message----- > >> >> From: Michal Wegrzyn [mailto:michal.wegr...@onior.com] > >> >> Sent: Friday, November 04, 2011 11:56 > >> >> To: users@wicket.apache.org > >> >> Subject: RE: abort loading lazy components > >> >> > >> >> Thanks for an update Martin. > >> >> > >> >> Unfortunately using IAjaxCallDecorator#decorateScript() prevents > >> >> handling request (nothing happens). > >> >> If I append the stop script directly to ajax request target > (before > >> >> sending event), then request proceeds, but the first lazy > component > >> is > >> >> not loaded. > >> >> > >> >> Also, the stop script breaks ajax indicators (both from lazy > >> components > >> >> and indicating links). Exceptions still are present, but page > isn't > >> >> crashing. > >> >> > >> >> So far the closest solution was using BookmarkablePageLink, but > it > >> is > >> >> not ajax and it is just a workaround. > >> >> > >> >> Isn't there a way to prevent Wicket from handling "old" ajax > >> requests? > >> >> I assume that's how it should work with DROP channel. > >> >> > >> >> Best regards, > >> >> Michal Wegrzyn > >> >> > >> >> > -----Original Message----- > >> >> > From: Martin Grigorov [mailto:mgrigo...@apache.org] > >> >> > Sent: Thursday, November 03, 2011 17:54 > >> >> > To: users@wicket.apache.org > >> >> > Subject: Re: abort loading lazy components > >> >> > > >> >> > Here is something that I didn't know so far: > >> >> > http://stackoverflow.com/questions/930237/javascript-cancel- > stop- > >> >> image- > >> >> > requests/1468452#1468452 > >> >> > > >> >> > It seems there is a way to simulate browser's stop button with > >> >> > JavaScript. > >> >> > Try to use that code from IAjaxCallDecorator#decorateScript() > for > >> >> your > >> >> > AjaxLink. > >> >> > > >> >> > On Thu, Nov 3, 2011 at 3:00 PM, Michal Wegrzyn > >> >> > <michal.wegr...@onior.com> wrote: > >> >> > > I've just debugged and indeed problem is that there is no > >> component > >> >> > with id "29". > >> >> > > So clearly Wicket looks for an lazy "children" component from > >> >> > outdated DataView component. > >> >> > > > >> >> > > Michal > >> >> > > > >> >> > >> -----Original Message----- > >> >> > >> From: Michal Wegrzyn [mailto:michal.wegr...@onior.com] > >> >> > >> Sent: Wednesday, November 02, 2011 16:11 > >> >> > >> To: users@wicket.apache.org > >> >> > >> Subject: RE: abort loading lazy components > >> >> > >> > >> >> > >> It is triggered when there is already new "itemList" (it > >> extends > >> >> > >> DataView), so I suppose that > >> >> > >> PageAndComponentProvider looks for "itemList:29", which does > >> not > >> >> > exists > >> >> > >> anymore. > >> >> > >> > >> >> > >> Scenario: > >> >> > >> > >> >> > >> - Page is loaded but lazy components > >> >> > >> ('folders:listContainer:itemList:itemPanel:folder:children') > >> are > >> >> > still > >> >> > >> loading > >> >> > >> - User triggers folder change (itemList is replaced) > >> >> > >> - Exception occurs > >> >> > >> > >> >> > >> If user triggers folder change when lazy components are > >> completely > >> >> > >> loaded (or during loading the last one) there is no > exception > >> at > >> >> > all. > >> >> > >> > >> >> > >> Best Regards, > >> >> > >> Michal Wegrzyn > >> >> > >> > >> >> > >> -----Original Message----- > >> >> > >> From: Martin Grigorov [mailto:mgrigo...@apache.org] > >> >> > >> Sent: Wednesday, November 02, 2011 15:54 > >> >> > >> To: users@wicket.apache.org > >> >> > >> Subject: Re: abort loading lazy components > >> >> > >> > >> >> > >> On Wed, Nov 2, 2011 at 4:49 PM, Michal Wegrzyn > >> >> > >> <michal.wegr...@onior.com> wrote: > >> >> > >> > 15:32:24.028 user [http-8888-5] ERROR > >> >> > >> o.a.wicket.DefaultExceptionMapper - Unexpected error > occurred > >> >> > >> > > org.apache.wicket.request.handler.ComponentNotFoundException: > >> >> > Could > >> >> > >> not find component > >> >> > >> > 'folders:listContainer:itemList:29:itemPanel:folder:children' > >> on > >> >> > page > >> >> > >> 'class package.MyPage > >> >> > >> > >> >> > >> Do you know how this is triggered ? > >> >> > > > >> >> > > > >> >> > > >> >> > > >> >> > > >> >> > -- > >> >> > Martin Grigorov > >> >> > jWeekend > >> >> > Training, Consulting, Development > >> >> > http://jWeekend.com > >> >> > > >> >> > --------------------------------------------------------------- > --- > >> --- > >> >> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> >> > For additional commands, e-mail: users-h...@wicket.apache.org > >> > > >> > > >> > >> > >> > >> -- > >> Martin Grigorov > >> jWeekend > >> Training, Consulting, Development > >> http://jWeekend.com > >> > >> -------------------------------------------------------------------- > - > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> For additional commands, e-mail: users-h...@wicket.apache.org > > > > > > > > -- > Martin Grigorov > jWeekend > Training, Consulting, Development > http://jWeekend.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org
