Hi everybody,
I'm currently trying to integrate GIN on a POC which deals with
RequestFactory and EventBus.
1) I first noticed that I had to extends some Technical Classes with
no reasons except to mark the constructor whit @Inject like this :
public class PamdaPlaceHistoryHandler extends PlaceHistoryHandler {
@Inject
public PamdaPlaceHistoryHandler(PlaceHistoryMapper mapper) {
super(mapper);
}
}
2) After initializing the injector and create all the singletons
through GIN (eventBus, RequestFactory and so on ...), my app threw a
NPE when fire a event in order to retrieve Proxies through Request
Factory ..... Here's the stack :
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(ActivityManager.java:
173)
at
com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java:
52)
at
com.google.gwt.place.shared.PlaceChangeEvent.dispatch(PlaceChangeEvent.java:
1)
at
com.google.gwt.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:
204)
at
com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:
103)
at
com.google.gwt.place.shared.PlaceController.goTo(PlaceController.java:
115)
at
com.google.gwt.place.shared.PlaceHistoryHandler.handleHistoryToken(PlaceHistoryHandler.java:
179)
at
com.google.gwt.place.shared.PlaceHistoryHandler.handleCurrentHistory(PlaceHistoryHandler.java:
117)
at
com.francetelecom.entreprise.fme.client.Pamda.onModuleLoad(Pamda.java:
36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:
396)
at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:
183)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
510)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.NullPointerException: null
at
com.google.gwt.requestfactory.shared.impl.AbstractRequestContext.doFire(AbstractRequestContext.java:
606)
at
com.google.gwt.requestfactory.shared.impl.AbstractRequestContext.fire(AbstractRequestContext.java:
210)
at
com.google.gwt.requestfactory.shared.impl.AbstractRequest.fire(AbstractRequest.java:
54)
at
com.google.gwt.requestfactory.shared.impl.AbstractRequest.fire(AbstractRequest.java:
59)
The cause of this NPE seems to come from the request Factory which
hasn't been initialized with the EventBus....
Am I supose to call requestFactory.initialize(eventBus) each time i
would make a call? Am I wrong on initialization on my App ?
Thank you for your responses
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