I'm running eclipse installed from the Ubuntu Karmic repository, along with OpenJDK, on an Asus EeePC 1000H. I happened to click Window -> Preferences -> OK on eclipse, and it produced these two consecutive errors in an error report within the IDE (see below): eclipse.buildId=M20090917-0800 java.version=1.6.0_15 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=pt_PT Command-line arguments: -os linux -ws gtk -arch x86 -clean Error Wed Apr 14 21:49:56 WEST 2010 Problems occurred when invoking code from plug-in: "org.eclipse.jface". org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:3884) at org.eclipse.swt.SWT.error(SWT.java:3799) at org.eclipse.swt.SWT.error(SWT.java:3770) at org.eclipse.swt.widgets.Widget.error(Widget.java:450) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:388) at org.eclipse.swt.widgets.Text.getText(Text.java:963) at org.eclipse.ui.dialogs.FilteredTree$3.getName(FilteredTree.java:630) at org.eclipse.swt.accessibility.AccessibleObject.atkObject_get_name(AccessibleObject.java:395) at org.eclipse.swt.internal.gtk.OS._gtk_widget_destroy(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_widget_destroy(OS.java:11939) at org.eclipse.swt.widgets.Widget.destroyWidget(Widget.java:412) at org.eclipse.swt.widgets.Widget.release(Widget.java:1054) at org.eclipse.swt.widgets.Control.release(Control.java:3293) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:446) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:1999) at org.eclipse.jface.window.Window.close(Window.java:335) at org.eclipse.jface.dialogs.Dialog.close(Dialog.java:979) at org.eclipse.jface.dialogs.TrayDialog.close(TrayDialog.java:179) at org.eclipse.jface.preference.PreferenceDialog.close(PreferenceDialog.java:317) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.close(FilteredPreferenceDialog.java:702) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.close(WorkbenchPreferenceDialog.java:145) at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:986) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:895) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.okPressed(PreferenceDialog.java:944) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.okPressed(FilteredPreferenceDialog.java:453) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.okPressed(WorkbenchPreferenceDialog.java:169) at org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:233) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:211) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) 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:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311) eclipse.buildId=M20090917-0800 java.version=1.6.0_15 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=pt_PT Command-line arguments: -os linux -ws gtk -arch x86 -clean Error Wed Apr 14 21:49:56 WEST 2010 org.eclipse.swt.SWTException: Widget is disposed org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:3884) at org.eclipse.swt.SWT.error(SWT.java:3799) at org.eclipse.swt.SWT.error(SWT.java:3770) at org.eclipse.swt.widgets.Widget.error(Widget.java:450) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:388) at org.eclipse.swt.widgets.Text.getText(Text.java:963) at org.eclipse.ui.dialogs.FilteredTree$3.getName(FilteredTree.java:630) at org.eclipse.swt.accessibility.AccessibleObject.atkObject_get_name(AccessibleObject.java:395) at org.eclipse.swt.internal.gtk.OS._gtk_widget_destroy(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_widget_destroy(OS.java:11939) at org.eclipse.swt.widgets.Widget.destroyWidget(Widget.java:412) at org.eclipse.swt.widgets.Widget.release(Widget.java:1054) at org.eclipse.swt.widgets.Control.release(Control.java:3293) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:446) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:1999) at org.eclipse.jface.window.Window.close(Window.java:335) at org.eclipse.jface.dialogs.Dialog.close(Dialog.java:979) at org.eclipse.jface.dialogs.TrayDialog.close(TrayDialog.java:179) at org.eclipse.jface.preference.PreferenceDialog.close(PreferenceDialog.java:317) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.close(FilteredPreferenceDialog.java:702) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.close(WorkbenchPreferenceDialog.java:145) at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:986) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:895) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.okPressed(PreferenceDialog.java:944) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.okPressed(FilteredPreferenceDialog.java:453) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.okPressed(WorkbenchPreferenceDialog.java:169) at org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:233) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:211) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) 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:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311)