Editor closing causes NullPointerExceptions in Linux Eclipse

[vorpane]

Hi,

I have installed Glance in Eclipse 4.1 (Juno) at Linux (Debian v 6.0.6). I opened glance bar and a java file. I entered some word into Glance ant it's occurences were found.

But then I right-clicked on the tab related to opened java file and selected "Close". In error log I got "Unhandeled event loop exception" from org.eclipse.ui. NullPointer (stack trace below). From then on, many actions I did including usage of Error log view and opening the closed java file resulted with more Error log messages with NPE. Also, the Glance stopped finding the words it should have.

I have an RCP application that also uses glance, and it has similar problem on linux. However, on Windows 7 Proffesional, no such problem occurs.

Also, none of this happens if once closes an editor with the "x" sign, instead of right-click and Close. Only the Close (and Close All) causes this.

org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4361) at org.eclipse.swt.SWT.error(SWT.java:4276) at org.eclipse.swt.SWT.error(SWT.java:4247) at org.eclipse.swt.widgets.Widget.error(Widget.java:480) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:417) at org.eclipse.swt.widgets.Control.removeFocusListener(Control.java:1841) at com.xored.glance.ui.controls.text.styled.TextSelector.dispose(TextSelector.java:39) at com.xored.glance.internal.ui.viewers.SourceViewerControl.dispose(SourceViewerControl.java:65) at com.xored.glance.ui.utils.UITextSource.dispose(UITextSource.java:63) at com.xored.glance.internal.ui.search.SearchManager.setDescription(SearchManager.java:302) at com.xored.glance.internal.ui.search.SearchManager.update(SearchManager.java:168) at com.xored.glance.internal.ui.search.SearchManager.access$1(SearchManager.java:162) at com.xored.glance.internal.ui.search.SearchManager$SourceListener.sourceChanged(SearchManager.java:406) at com.xored.glance.internal.ui.sources.TextSourceListener.handleEvent(TextSourceListener.java:48) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1483) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1275) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1300) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1281) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:3619) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:2970) at org.eclipse.swt.widgets.Tree.gtk_event_after(Tree.java:1906) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1753) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5116) at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:3459) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4369) at org.eclipse.swt.internal.gtk.OS._gtk_widget_grab_focus(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_widget_grab_focus(OS.java:13088) at org.eclipse.swt.widgets.Tree.gtk_button_press_event(Tree.java:1869) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1746) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5116) at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:3459) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4369) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8307) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1192) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2332) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3177) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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:616) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438)

[jhonnen]

I get the same exception sporadically with glance 1.2.1.201702271753 in eclipse 4.6.3.

I did not close any tabs when the issue occurred last, but I may have closed a split editor shortly before it happened.

The issue is particularly annoying because eclipse is frozen afterwards. It seems to be still processing the event queue, so it's not marked as not responding, but the UI is longer updated. The only solution seems to be killing and restarting eclipse.

Stacktrace:

Caused by: org.eclipse.swt.SWTException: Widget is disposed
	at org.eclipse.swt.SWT.error(SWT.java:4533)
	at org.eclipse.swt.SWT.error(SWT.java:4448)
	at org.eclipse.swt.SWT.error(SWT.java:4419)
	at org.eclipse.swt.widgets.Widget.error(Widget.java:482)
	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:354)
	at org.eclipse.swt.widgets.Control.removeFocusListener(Control.java:2618)
	at com.xored.glance.ui.controls.text.styled.TextSelector.dispose(TextSelector.java:39)
	at com.xored.glance.internal.ui.viewers.SourceViewerControl.dispose(SourceViewerControl.java:65)
	at com.xored.glance.ui.utils.UITextSource.dispose(UITextSource.java:63)
	at com.xored.glance.internal.ui.search.SearchManager.setDescription(SearchManager.java:302)
	at com.xored.glance.internal.ui.search.SearchManager.update(SearchManager.java:168)
	at com.xored.glance.internal.ui.search.SearchManager.access$1(SearchManager.java:162)
	at com.xored.glance.internal.ui.search.SearchManager$SourceListener.sourceChanged(SearchManager.java:406)
	at com.xored.glance.internal.ui.sources.TextSourceListener.handleEvent(TextSourceListener.java:48)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1270)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1078)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1084)
	at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2934)
	at org.eclipse.swt.widgets.Widget.wmSetFocus(Widget.java:2437)
	at org.eclipse.swt.widgets.Control.WM_SETFOCUS(Control.java:5446)
	at org.eclipse.swt.widgets.ToolBar.WM_SETFOCUS(ToolBar.java:1475)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4869)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5110)
	at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method)
	at org.eclipse.swt.widgets.Control.forceFocus(Control.java:1114)
	at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2230)
	at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:294)
	at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:272)
	at org.eclipse.ui.internal.SaveableHelper.saveModels(SaveableHelper.java:214)
	at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:149)
	at org.eclipse.ui.internal.WorkbenchPage.saveSaveable(WorkbenchPage.java:3904)
	at org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:3918)
	at org.eclipse.ui.internal.handlers.SaveHandler.execute(SaveHandler.java:54)
	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:295)
	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
	at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
	... 49 more

Stacktrace during freeze:

"main" #1 prio=6 os_prio=0 tid=0x000000000284f000 nid=0x1e84 runnable [0x000000000012e000]
   java.lang.Thread.State: RUNNABLE
	at org.eclipse.swt.internal.win32.OS.WaitMessage(Native Method)
	at org.eclipse.swt.widgets.Display.sleep(Display.java:4788)
	at org.eclipse.ui.application.WorkbenchAdvisor.eventLoopIdle(WorkbenchAdvisor.java:368)
	at org.eclipse.ui.internal.ide.application.IDEWorkbenchAdvisor.eventLoopIdle(IDEWorkbenchAdvisor.java:888)
	at org.eclipse.ui.internal.Workbench$3.eventLoopIdle(Workbench.java:526)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1126)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1519)

[AnatoliShein]

I hit the same error in Linux Eclipse by doing this:

1. Open glance and search any word
2. Right click the tab on the active editor and select 'Close' After this glance stops working until eclipse is restarted. Eclipse Version: 2019-06 (4.12.0) Build id: 20190614-1200 Linux VERSION="16.04.6 LTS (Xenial Xerus)"

The .metadata/.log says:

!ENTRY org.eclipse.ui 4 0 2019-09-04 16:03:00.320 !MESSAGE Unhandled event loop exception !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4699) at org.eclipse.swt.SWT.error(SWT.java:4614) at org.eclipse.swt.SWT.error(SWT.java:4585) at org.eclipse.swt.widgets.Widget.error(Widget.java:532) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:469) at org.eclipse.swt.widgets.Control.removeFocusListener(Control.java:2323) at org.eclipse.ui.glance.controls.text.styled.TextSelector.dispose(TextSelector.java:39) at org.eclipse.ui.glance.internal.viewers.SourceViewerControl.dispose(SourceViewerControl.java:68) at org.eclipse.ui.glance.utils.UITextSource.dispose(UITextSource.java:68) at org.eclipse.ui.glance.internal.search.SearchManager.setDescription(SearchManager.java:306) at org.eclipse.ui.glance.internal.search.SearchManager.update(SearchManager.java:172) at org.eclipse.ui.glance.internal.search.SearchManager.access$1(SearchManager.java:166) at org.eclipse.ui.glance.internal.search.SearchManager$SourceListener.sourceChanged(SearchManager.java:413) at org.eclipse.ui.glance.internal.sources.TextSourceListener.handleEvent(TextSourceListener.java:56) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1796) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1399) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1426) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1405) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4717) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3811) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2228) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6814) at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:4189) at org.eclipse.swt.widgets.Display.windowProc(Display.java:6132) at org.eclipse.swt.internal.gtk.GTK._gtk_widget_grab_focus(Native Method) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(GTK.java:8784) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2932) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:686) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2925) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2408) at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3171) at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3196) at org.eclipse.ui.internal.EditorReference.initialize(EditorReference.java:354) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:340) at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:1001) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:966) at org.eclipse.e4.core.internal.di.InjectorImpl.internalInject(InjectorImpl.java:139) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:411) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:333) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:202) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:91) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:60) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:42) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:132) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:1015) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:781) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:752) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:746) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:730) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1294) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.lambda$0(LazyStackRenderer.java:75) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.lambda$0(UIEventHandler.java:38) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:146) at org.eclipse.swt.widgets.Display.syncExec(Display.java:6018) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:63) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:424) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElementGen(ElementContainerImpl.java:170) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:188) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:652) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:616) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:791) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:404) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1240) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3209) at org.eclipse.ui.internal.WorkbenchPage.lambda$9(WorkbenchPage.java:3114) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:72) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3112) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3083) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3074) at org.eclipse.cdt.internal.ui.util.EditorUtility.openInEditor(EditorUtility.java:267) at org.eclipse.cdt.internal.ui.util.EditorUtility.openInEditor(EditorUtility.java:163) at org.eclipse.cdt.internal.ui.util.EditorUtility.openInEditor(EditorUtility.java:147) at org.eclipse.cdt.internal.ui.navigator.OpenCElementAction.run(OpenCElementAction.java:55) at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:215) at org.eclipse.ui.navigator.CommonNavigatorManager$1.open(CommonNavigatorManager.java:183) at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:796) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:47) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:176) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:793) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1108) at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:454) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:275) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:270) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:310) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5874) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1400) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:5138) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4663) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:635) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:559) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:660) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:597) at org.eclipse.equinox.launcher.Main.run(Main.java:1468) at org.eclipse.equinox.launcher.Main.main(Main.java:1441)