Cell table problem with driver.flush() part

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Qrunk

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Jan 20, 2012, 10:31:08 PM1/20/12

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This is inline with my previous question :

We have a used HasDataEditor to populate out CellTable, but now we are facing a problem with driver.flush() part, we trying to to driver.flush() and click of a save button, below you can find the code snippet, it throws an exception on doing driver.flush() ;

@UiHandler("save")

void onSaveClick(ClickEvent event) {

save();

}

public void save() {

Contacts contacts = driver.flush();//Line No 130

System.out.println(contacts.getContactList());

}

And the exception is :

08:51:37.503 [ERROR] [customer] 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.HandlerManager.fireEvent(HandlerManager.java:129)

at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:129)

at com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:116)

at com.google.gwt.user.client.ui.Widget.onBrowserEvent(Widget.java:177)

at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1351)

at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1307)

at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.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.java:172)

at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)

at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)

at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)

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:213)

at sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.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.java:172)

at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)

at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)

at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)

at java.lang.Thread.run(Thread.java:619)

Caused by: java.lang.UnsupportedOperationException: null

at java.util.AbstractList.remove(AbstractList.java:144)

at java.util.AbstractList$Itr.remove(AbstractList.java:360)

at java.util.AbstractList.removeRange(AbstractList.java:559)

at java.util.AbstractList.clear(AbstractList.java:217)

at com.google.gwt.editor.client.adapters.ListEditorWrapper.flush(ListEditorWrapper.java:115)

at com.google.gwt.editor.client.adapters.ListEditor.flush(ListEditor.java:72)

at com.google.gwt.editor.client.impl.Flusher.endVisit(Flusher.java:47)

at com.google.gwt.editor.client.impl.AbstractEditorContext.traverse(AbstractEditorContext.java:131)

at com.databinding.app.client.GwtCellTableEditor_SimpleBeanEditorDelegate.accept(GwtCellTableEditor_SimpleBeanEditorDelegate.java:22)

at com.google.gwt.editor.client.impl.AbstractEditorContext.traverse(AbstractEditorContext.java:129)

at com.databinding.app.client.GwtCellTableEditor_EDriverImpl.accept(GwtCellTableEditor_EDriverImpl.java:6)

at com.google.gwt.editor.client.impl.BaseEditorDriver.doFlush(BaseEditorDriver.java:103)

at com.google.gwt.editor.client.impl.AbstractSimpleBeanEditorDriver.flush(AbstractSimpleBeanEditorDriver.java:36)

at com.databinding.app.client.GwtCellTableEditor.save(GwtCellTableEditor.java:130)

at com.databinding.app.client.GwtCellTableEditor.onSaveClick(GwtCellTableEditor.java:136)

at com.databinding.app.client.GwtCellTableEditor_GwtCellTableEditorUiBinderImpl$1.onClick(GwtCellTableEditor_GwtCellTableEditorUiBinderImpl.java:48)

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.GwtEvent.dispatch(GwtEvent.java:1)

at com.google.web.bindery.event.shared.EventBus.dispatchEvent(EventBus.java:40)

at com.google.web.bindery.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:193)

at com.google.web.bindery.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:88)

at com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:127)