On Oct 25, 10:45 am, Vincent <[email protected]> wrote:
> I faced the same problem withLayoutPanelinside SimplePanel.
> For now, the only workaround a found is the same than the one proposed
> by Jeff, except that I extends theLayoutPanel.
Extending LayoutPanel doesn't work for me in GWT 2.1.
I've extended LayoutPanel like this:
public class SimpleLayoutPanel extends LayoutPanel implements
AcceptsOneWidget
{
@Override
public void setWidget(IsWidget w)
{
this.clear();
this.add(w);
}
}
When I use it instead of a SimplePanel, calling PlaceController.goTo()
gives me the following exception trace:
com.google.gwt.event.shared.UmbrellaException: One or more exceptions
caught, see full set in UmbrellaException#getCauses
at
com.google.gwt.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:
214)
at
com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:
103)
at
com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:
96)
at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:107)
at
com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:
116)
at com.google.gwt.user.client.ui.Widget.onBrowserEvent(Widget.java:
155)
at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1308)
at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
326)
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
207)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
126)
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.java:
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.GeneratedMethodAccessor236.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:
281)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
531)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
at java.lang.Thread.run(Unknown Source)
Caused by: com.google.gwt.event.shared.UmbrellaException: One or more
exceptions caught, see full set in UmbrellaException#getCauses
at
com.google.gwt.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:
214)
at
com.google.gwt.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:
103)
at
com.google.gwt.place.shared.PlaceController.goTo(PlaceController.java:
115)
at com.cis.bidder.client.MainPresenter.goTo(MainPresenter.java:54)
at
com.cis.bidder.client.MainView.handleCreateClientButton(MainView.java:
63)
at com.cis.bidder.client.MainView_MainViewUiBinderImpl
$1.onClick(MainView_MainViewUiBinderImpl.java:76)
at
com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.java:
54)
at
com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.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.event.shared.HandlerManager.fireEvent(HandlerManager.java:
96)
at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:107)
at
com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:
116)
at com.google.gwt.user.client.ui.Widget.onBrowserEvent(Widget.java:
155)
at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1308)
at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
326)
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
207)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
126)
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.java:
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.GeneratedMethodAccessor236.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:
281)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
531)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException: null
at
com.google.gwt.user.client.ui.LayoutPanel.insert(LayoutPanel.java:185)
at com.google.gwt.user.client.ui.LayoutPanel.add(LayoutPanel.java:
134)
at com.google.gwt.user.client.ui.Panel.add(Panel.java:71)
at
com.cis.bidder.client.SimpleLayoutPanel.setWidget(SimpleLayoutPanel.java:
22)
at
com.google.gwt.activity.shared.ActivityManager.showWidget(ActivityManager.java:
221)
at
com.google.gwt.activity.shared.ActivityManager.onPlaceChange(ActivityManager.java:
122)
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.cis.bidder.client.MainPresenter.goTo(MainPresenter.java:54)
at
com.cis.bidder.client.MainView.handleCreateClientButton(MainView.java:
63)
at com.cis.bidder.client.MainView_MainViewUiBinderImpl
$1.onClick(MainView_MainViewUiBinderImpl.java:76)
at
com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.java:
54)
at
com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.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.event.shared.HandlerManager.fireEvent(HandlerManager.java:
96)
at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:107)
at
com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:
116)
at com.google.gwt.user.client.ui.Widget.onBrowserEvent(Widget.java:
155)
at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1308)
at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
326)
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
207)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
126)
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.java:
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.GeneratedMethodAccessor236.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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.java:
157)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:
281)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
531)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
at java.lang.Thread.run(Unknown Source)
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