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Home » Eclipse Projects » Eclipse 4 » Cannot create a part at APP_STARTUP_COMPLETE in Luna M6
Cannot create a part at APP_STARTUP_COMPLETE in Luna M6 [message #1333957] Mon, 05 May 2014 06:10
Alexander Levsha is currently offline Alexander Levsha
Messages: 3
Registered: December 2013
Junior Member
Hi. I started migrating my app to Luna and encountered this issue.

The app may create Parts from PartDescriptors at startup and i subscribed to APP_STARTUP_COMPLETE event for that purpose. It worked fine in Kepler.
@Inject
@Optional
private void open(
        @Named("__DUMMY__") // workaround bug 378694
        @EventTopic(UIEvents.UILifeCycle.APP_STARTUP_COMPLETE)
        final MApplication app,
        final EModelService model,
        final EPartService partService,
        UISynchronize sync
        ) {

    // ...
    
    sync.asyncExec(new Runnable() {
        
        @Override
        public void run() {
        
            // ...
        
            MPart newPart = partService.createPart("descrId");
            ((MPartStack) model.find("stackId", app)).getChildren().add(newPart);
            partService.showPart(newPart, PartState.CREATE);
        }
    });
}


In Luna M6 though it throws an exception "Application does not have an active window"
!ENTRY org.eclipse.e4.ui.workbench 4 0 2014-05-05 14:02:57.065
!MESSAGE Internal Error
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.IllegalStateException: Application does not have an active window)
	at org.eclipse.swt.SWT.error(SWT.java:4441)
	at org.eclipse.swt.SWT.error(SWT.java:4356)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3748)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3396)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1122)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1006)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:147)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:166)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:133)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:103)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:378)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1462)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
Caused by: java.lang.IllegalStateException: Application does not have an active window
	at org.eclipse.e4.ui.internal.workbench.ApplicationPartServiceImpl.getActiveWindowService(ApplicationPartServiceImpl.java:36)
	at org.eclipse.e4.ui.internal.workbench.ApplicationPartServiceImpl.createPart(ApplicationPartServiceImpl.java:95)
	<...>
	at myapp.AddonOpen$1.run(AddonOpen.java:59)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
	... 20 more

Is this a bug or is my way of using this event incorrect?
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