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Build Identifier: Version: 3.7.1 Build id: M20110909-1335 I got this error one time and i can't reproduce it : !ENTRY org.eclipse.ui.workbench 4 0 2012-01-03 18:18:10.615 !MESSAGE WARNING: Blocked recursive attempt to close part org.eclipse.wb.core.guiEditor while still in the middle of activating it !STACK 0 java.lang.RuntimeException: WARNING: Blocked recursive attempt to close part org.eclipse.wb.core.guiEditor while still in the middle of activating it at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1378) at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1514) at org.eclipse.ui.internal.EditorPane.doHide(EditorPane.java:61) at org.eclipse.ui.internal.PartStack.close(PartStack.java:537) at org.eclipse.ui.internal.EditorStack.close(EditorStack.java:206) at org.eclipse.ui.internal.PartStack$1.close(PartStack.java:120) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:83) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:278) at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1) at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$1.closeButtonPressed(DefaultTabFolder.java:71) at org.eclipse.ui.internal.presentations.PaneFolder.notifyCloseListeners(PaneFolder.java:631) at org.eclipse.ui.internal.presentations.PaneFolder$3.close(PaneFolder.java:206) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1598) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:261) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.waitEventLoop(ExecutionUtils.java:65) at org.eclipse.wb.internal.swing.utils.SwingUtils.invokeLaterAndWait(SwingUtils.java:168) at org.eclipse.wb.internal.swing.utils.SwingUtils.runLaterAndWait(SwingUtils.java:73) at org.eclipse.wb.internal.swing.laf.LafSupport.applySelectedLAF(LafSupport.java:331) at org.eclipse.wb.internal.swing.laf.ui.LafSelectionItem.update(LafSelectionItem.java:245) at org.eclipse.wb.internal.swing.laf.ui.LafRootProcessor$1$2.invoke(LafRootProcessor.java:87) 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.wb.core.model.broadcast.BroadcastSupport$1.intercept(BroadcastSupport.java:208) at org.eclipse.wb.core.model.broadcast.EditorActivatedListener$$EnhancerByCGLIB$$bbf3933b.invoke(<generated>) at org.eclipse.wb.internal.core.editor.DesignPage$4.run(DesignPage.java:271) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runLog(ExecutionUtils.java:100) at org.eclipse.wb.internal.core.editor.DesignPage.checkDependenciesOnDesignPageActivation(DesignPage.java:268) at org.eclipse.wb.internal.core.editor.DesignPage.access$3(DesignPage.java:266) at org.eclipse.wb.internal.core.editor.DesignPage$1.partActivated(DesignPage.java:103) at org.eclipse.ui.internal.PartListenerList$1.run(PartListenerList.java:72) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:888) at org.eclipse.ui.internal.PartListenerList.fireEvent(PartListenerList.java:57) at org.eclipse.ui.internal.PartListenerList.firePartActivated(PartListenerList.java:70) at org.eclipse.ui.internal.PartService.firePartActivated(PartService.java:187) at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:306) at org.eclipse.ui.internal.WorkbenchPagePartList.fireActivePartChanged(WorkbenchPagePartList.java:57) at org.eclipse.ui.internal.PartList.setActivePart(PartList.java:136) at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3636) at org.eclipse.ui.internal.WorkbenchPage.requestActivation(WorkbenchPage.java:3159) at org.eclipse.ui.internal.PartPane.requestActivation(PartPane.java:279) at org.eclipse.ui.internal.EditorPane.requestActivation(EditorPane.java:98) at org.eclipse.ui.internal.presentations.PresentablePart.setFocus(PresentablePart.java:192) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:94) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:274) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.handleMouseDown(AbstractTabFolder.java:344) at org.eclipse.ui.internal.presentations.util.AbstractTabFolder$3.mouseDown(AbstractTabFolder.java:78) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:191) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) 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:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) Reproducible: Couldn't Reproduce
Created attachment 209199 [details] Error log and screenshot
I also can not reproduce this. I've found and fixed however other related problem: 1. Open Design page. 2. Activate some view. 3. Click on editor close button. 4. "Widget is disposed" happens.
I can't reproduce this either. Please try it again using the latest WB build... http://eclipse.org/windowbuilder/download.php
