Problem identified. Thanks for the help. The activity was injected to the View after its construction while the activity was requested by the class inicializator. I am forced to pass the activity in the constructor of the view.
Is that a good practice? On 24 Maig, 22:58, Alisson Prestes <[email protected]> wrote: > You must find the "caused by" on the stack trace: > > Caused by: java.lang.NullPointerException: null > > at > com.rourevell.booking.client.ui.ControlPanelViewImpl.<init>(ControlPanelVie > wImpl.java:80) > > at > com.rourevell.booking.client.service.impl.ClientFactoryImpl.getControlPanel > View(ClientFactoryImpl.java:37) > > at > com.rourevell.booking.client.activity.ControlPanelActivity.start(ControlPan > elActivity.java:21) > ... > > It seems that you tried to acess a variable without checking if it's null > and got this error. Did you initialize the variable? > > Alisson Presteswww.google.com/profiles/javalisson > > On Tue, May 24, 2011 at 5:36 AM, Jordi Planadecursach > <[email protected]>wrote: > > > > > > > > > Hello guys, > > > I have an exception in the following code using the MVP pattern. I'm > > just iniciaiting myself to the GWT world and I would need some help. > > > Call: > > > public class LoginActivity extends AbstractActivity implements > > LoginView.Presenter { > > private ClientFactory clientFactory; > > [...] > > public void goToControlPanel() { > > clientFactory.getPlaceController().goTo(new > > ControlPanelPlace("controlPanelPlace")); > > } > > > Stack trace: > > > 10:26:01.019 [ERROR] [rourevell_booking] Uncaught exception escaped > > com.google.gwt.event.shared.UmbrellaException: One or more exceptions > > caught, see full set in UmbrellaException#getCauses > > at > > com.google.gwt.event.shared.EventBus.castFireEvent(EventBus.java:70) > > at > > com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java: > > 57) > > at > > com.google.gwt.place.shared.PlaceController.goTo(PlaceController.java: > > 136) > > at > > > com.rourevell.booking.client.activity.LoginActivity.goToControlPanel(LoginA > > ctivity.java: > > 29) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:61) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:1) > > at > > > com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceiv > > ed(RequestCallbackAdapter.java: > > 232) > > at > > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java: > > 287) > > at com.google.gwt.http.client.RequestBuilder > > $1.onReadyStateChange(RequestBuilder.java:395) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: > > 39) > > at > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp > > l.java: > > 25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > > at > > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > > at > > > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav > > a: > > 167) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingFo > > rReturn(BrowserChannelServer.java: > > 326) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChann > > elServer.java: > > 207) > > at > > com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java: > > 132) > > at > > com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java: > > 561) > > at > > com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java: > > 269) > > at > > > com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.j > > ava: > > 91) > > at com.google.gwt.core.client.impl.Impl.apply(Impl.java) > > at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214) > > at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source) > > at > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp > > l.java: > > 25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > > at > > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > > at > > > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav > > a: > > 167) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChanne > > lServer.java: > > 281) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChan > > nelServer.java: > > 531) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java > > : > > 352) > > at java.lang.Thread.run(Thread.java:619) > > Caused by: com.google.gwt.event.shared.UmbrellaException: One or more > > exceptions caught, see full set in UmbrellaException#getCauses > > at > > > com.google.gwt.activity.shared.ActivityManager.onPlaceChange(ActivityManage > > r.java: > > 173) > > at > > > com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java > > : > > 70) > > at > > > com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java > > : > > 1) > > at com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:1) > > at > > > com.google.web.bindery.event.shared.SimpleEventBus.doFire(SimpleEventBus.ja > > va: > > 193) > > at > > > com.google.web.bindery.event.shared.SimpleEventBus.fireEvent(SimpleEventBus > > .java: > > 88) > > at > > com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java: > > 52) > > at > > com.google.gwt.event.shared.EventBus.castFireEvent(EventBus.java:68) > > at > > com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java: > > 57) > > at > > com.google.gwt.place.shared.PlaceController.goTo(PlaceController.java: > > 136) > > at > > > com.rourevell.booking.client.activity.LoginActivity.goToControlPanel(LoginA > > ctivity.java: > > 29) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:61) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:1) > > at > > > com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceiv > > ed(RequestCallbackAdapter.java: > > 232) > > at > > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java: > > 287) > > at com.google.gwt.http.client.RequestBuilder > > $1.onReadyStateChange(RequestBuilder.java:395) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: > > 39) > > at > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp > > l.java: > > 25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > > at > > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > > at > > > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav > > a: > > 167) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingFo > > rReturn(BrowserChannelServer.java: > > 326) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChann > > elServer.java: > > 207) > > at > > com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java: > > 132) > > at > > com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java: > > 561) > > at > > com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java: > > 269) > > at > > > com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.j > > ava: > > 91) > > at com.google.gwt.core.client.impl.Impl.apply(Impl.java) > > at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214) > > at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source) > > at > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp > > l.java: > > 25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > > at > > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > > at > > > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav > > a: > > 167) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChanne > > lServer.java: > > 281) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChan > > nelServer.java: > > 531) > > at > > > com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java > > : > > 352) > > at java.lang.Thread.run(Thread.java:619) > > Caused by: java.lang.NullPointerException: null > > at > > > com.rourevell.booking.client.ui.ControlPanelViewImpl.<init>(ControlPanelVie > > wImpl.java: > > 80) > > at > > > com.rourevell.booking.client.service.impl.ClientFactoryImpl.getControlPanel > > View(ClientFactoryImpl.java: > > 37) > > at > > > com.rourevell.booking.client.activity.ControlPanelActivity.start(ControlPan > > elActivity.java: > > 21) > > at > > > com.google.gwt.activity.shared.ActivityManager.onPlaceChange(ActivityManage > > r.java: > > 158) > > at > > > com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java > > : > > 70) > > at > > > com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java > > : > > 1) > > at com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:1) > > at > > > com.google.web.bindery.event.shared.SimpleEventBus.doFire(SimpleEventBus.ja > > va: > > 193) > > at > > > com.google.web.bindery.event.shared.SimpleEventBus.fireEvent(SimpleEventBus > > .java: > > 88) > > at > > com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java: > > 52) > > at > > com.google.gwt.event.shared.EventBus.castFireEvent(EventBus.java:68) > > at > > com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java: > > 57) > > at > > com.google.gwt.place.shared.PlaceController.goTo(PlaceController.java: > > 136) > > at > > > com.rourevell.booking.client.activity.LoginActivity.goToControlPanel(LoginA > > ctivity.java: > > 29) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:61) > > at com.rourevell.booking.client.ui.LoginViewImpl > > $1$1.onSuccess(LoginViewImpl.java:1) > > at > > > com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceiv > > ed(RequestCallbackAdapter.java: > > 232) > > at > > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java: > > 287) > > at > > ... > > llegiu-ne més » -- You received this message because you are subscribed to the Google Groups "Google Web 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