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Exception Workbench has not been created yet [message #1067414] Mon, 08 July 2013 10:43
AIT YAHIA Idir is currently offline AIT YAHIA Idir
Messages: 29
Registered: April 2013
Junior Member
Hello,

I have created an RCP application with E4 Application model, it's work fine but when a i try to get some Workbench ressources i get a java.lang.IllegalStateException: Workbench has not been created yet.

For example when calling

PlatformUI.getWorkbench().getDisplay();


from what I read this is due to the lazy instantiation, Can someone tell me how to instantiate the workbench, I need to impélmentation some selection Dialog

Trace
org.eclipse.e4.core.di.InjectionException: java.lang.IllegalStateException: Workbench has not been created yet.
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:63)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:850)
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:743)
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$7(HandledContributionItem.java:727)
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$4.handleEvent(HandledContributionItem.java:662)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:162)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
	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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
Caused by: java.lang.IllegalStateException: Workbench has not been created yet.
	at org.eclipse.ui.PlatformUI.getWorkbench(PlatformUI.java:93)
	at org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.createViewMenu(FilteredItemsSelectionDialog.java:549)
	at org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.createHeader(FilteredItemsSelectionDialog.java:478)
	at org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.createDialogArea(FilteredItemsSelectionDialog.java:655)
	at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:775)
	at org.eclipse.jface.window.Window.create(Window.java:432)
	at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1104)
	at org.eclipse.ui.dialogs.SelectionStatusDialog.create(SelectionStatusDialog.java:153)
	at org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.create(FilteredItemsSelectionDialog.java:355)
	at org.eclipse.jface.window.Window.open(Window.java:791)
	at dz.iaityahia.cieptalcars.matresorerie.handlers.ExportToExcelAction.execute(ExportToExcelAction.java:17)
	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 org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
	... 33 more
  


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