vladakg85
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« Reply #1 on: August 14, 2009, 05:43:31 » |
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Nope, not my error (partly). A little bug in PureMVC.
A have made View component and mediator. But in mediator:
override public function listNotificationInterests():Array { return null; }
instead
return [];
Because of this I received following error:
TypeError: Error #1009: Cannot access a property or method of a null object reference. at org.puremvc.as3.multicore.core::View/registerMediator()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\core\View.as:193] at org.puremvc.as3.multicore.patterns.facade::Facade/registerMediator()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\facade\Facade.as:227] at org.puremvc.as3.multicore.patterns.proxy::PopManagerProxy/openPopUpWindow()[D:\workspace\workspace-flex\SpinnakerFlexLib\src\org\puremvc\as3\multicore\patterns\proxy\PopManagerProxy.as:44] at org.puremvc.as3.multicore.patterns.proxy::PopManagerProxy/retrievePopUp()[D:\workspace\workspace-flex\SpinnakerFlexLib\src\org\puremvc\as3\multicore\patterns\proxy\PopManagerProxy.as:79] at com.spinnaker.poppo.control::UpdaterCommand/execute()[D:\poppo_projekat\poppo\trunk\air\src\com\spinnaker\poppo\control\UpdaterCommand.as:24] at org.puremvc.as3.multicore.core::Controller/executeCommand()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\core\Controller.as:117] at Function/http://adobe.com/AS3/2006/builtin::apply() at org.puremvc.as3.multicore.patterns.observer::Observer/notifyObserver()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\observer\Observer.as:100] at org.puremvc.as3.multicore.core::View/notifyObservers()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\core\View.as:127] at org.puremvc.as3.multicore.patterns.facade::Facade/notifyObservers()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\facade\Facade.as:294] at org.puremvc.as3.multicore.patterns.facade::Facade/sendNotification()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\facade\Facade.as:277] at org.puremvc.as3.multicore.patterns.observer::Notifier/sendNotification()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\observer\Notifier.as:60] at com.poppo.main.control::StartupCommand/execute()[D:\poppo_projekat\poppo\trunk\air\src\com\poppo\main\control\StartupCommand.as:125] at org.puremvc.as3.multicore.core::Controller/executeCommand()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\core\Controller.as:117] at Function/http://adobe.com/AS3/2006/builtin::apply() at org.puremvc.as3.multicore.patterns.observer::Observer/notifyObserver()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\observer\Observer.as:100] at org.puremvc.as3.multicore.core::View/notifyObservers()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\core\View.as:127] at org.puremvc.as3.multicore.patterns.facade::Facade/notifyObservers()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\facade\Facade.as:294] at org.puremvc.as3.multicore.patterns.facade::Facade/sendNotification()[C:\Documents and Settings\Owner.CapricornOne\My Documents\My Workspaces\PureMVC\PureMVC_AS3_MultiCore\src\org\puremvc\as3\multicore\patterns\facade\Facade.as:277] at com.spinnaker.poppo::ApplicationFacade/startup()[D:\poppo_projekat\poppo\trunk\air\src\com\spinnaker\poppo\ApplicationFacade.as:61] at Poppo/initApp()[D:\poppo_projekat\poppo\trunk\air\src\Poppo.mxml:72] at Poppo/___Poppo_WindowedApplication1_applicationComplete()[D:\poppo_projekat\poppo\trunk\air\src\Poppo.mxml:11] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9308] at mx.managers::SystemManager/preloader_preloaderDoneHandler()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\SystemManager.as:3024] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.preloaders::Preloader/displayClassCompleteHandler()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\preloaders\Preloader.as:434] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.preloaders::DownloadProgressBar/timerHandler()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\preloaders\DownloadProgressBar.as:1451] at mx.preloaders::DownloadProgressBar/initCompleteHandler()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\preloaders\DownloadProgressBar.as:1503] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.preloaders::Preloader/dispatchAppEndEvent()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\preloaders\Preloader.as:291] at mx.preloaders::Preloader/appCreationCompleteHandler()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\preloaders\Preloader.as:442] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9308] at mx.core::UIComponent/set initialized()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:1169] at mx.managers::LayoutManager/doPhasedInstantiation()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:718] at mx.managers::LayoutManager/validateNow()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:748] at mx.core::UIComponent/commitCurrentState()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:7200] at mx.core::UIComponent/setCurrentState()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:7118] at mx.core::UIComponent/set currentState()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:4361] at com.spinnaker.poppo.view.child.components::ApplicationBottomBar/init()[D:\poppo_projekat\poppo\trunk\air\src\com\spinnaker\poppo\view\child\components\ApplicationBottomBar.mxml:25] at com.spinnaker.poppo.view.child.components::ApplicationBottomBar/___ApplicationBottomBar_Canvas1_creationComplete()[D:\poppo_projekat\poppo\trunk\air\src\com\spinnaker\poppo\view\child\components\ApplicationBottomBar.mxml:4] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9308] at mx.core::UIComponent/set initialized()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:1169] at mx.managers::LayoutManager/doPhasedInstantiation()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:718] at Function/http://adobe.com/AS3/2006/builtin::apply() at mx.core::UIComponent/callLaterDispatcher2()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8633] at mx.core::UIComponent/callLaterDispatcher()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8573]
It would be much better to throw some error information, "You cannot return null from this method. .."
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