Project: SWT
Bug 348205 NullPointerException in xml editor
Reported: 2011-06-03 09:25:07 | Status: resolved fixed

Build Identifier: 201105041000 springsource-tool-suite-2.6.1.SR1-e3.6.2-linux I periodically get next error when work in xml-editor: --------------------- !ENTRY org.eclipse.ui 4 0 2011-06-02 10:37:19.502 !MESSAGE Unhandled event loop exception !STACK 0 java.lang.NullPointerException at org.eclipse.swt.widgets.MenuItem.getAccelGroup(MenuItem.java:316) at org.eclipse.swt.widgets.MenuItem.setEnabled(MenuItem.java:640) at org.eclipse.ui.menus.CommandContributionItem.updateMenuItem(CommandContributionItem.java:627) at org.eclipse.ui.menus.CommandContributionItem.update(CommandContributionItem.java:576) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:876) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:876) at org.eclipse.ui.internal.Workbench.updateActiveWorkbenchWindowMenuManager(Workbench.java:3276) at org.eclipse.ui.internal.Workbench.access$0(Workbench.java:3238) at org.eclipse.ui.internal.Workbench$2.bindingManagerChanged(Workbench.java:3224) at org.eclipse.jface.bindings.BindingManager.fireBindingManagerChanged(BindingManager.java:900) at org.eclipse.jface.bindings.BindingManager.setActiveBindings(BindingManager.java:2176) at org.eclipse.jface.bindings.BindingManager.recomputeBindings(BindingManager.java:1742) at org.eclipse.jface.bindings.BindingManager.contextManagerChanged(BindingManager.java:689) at org.eclipse.core.commands.contexts.ContextManager.fireContextManagerChanged(ContextManager.java:165) at org.eclipse.core.commands.contexts.ContextManager.setEventCaching(ContextManager.java:324) at org.eclipse.core.commands.contexts.ContextManager.deferUpdates(ContextManager.java:83) at org.eclipse.ui.internal.contexts.ContextAuthority.sourceChanged(ContextAuthority.java:673) at org.eclipse.ui.internal.services.ExpressionAuthority.sourceChanged(ExpressionAuthority.java:310) at org.eclipse.ui.internal.services.ExpressionAuthority.sourceChanged(ExpressionAuthority.java:290) at org.eclipse.ui.AbstractSourceProvider.fireSourceChanged(AbstractSourceProvider.java:99) at org.eclipse.ui.internal.services.WorkbenchSourceProvider.access$10(WorkbenchSourceProvider.java:1) at org.eclipse.ui.internal.services.WorkbenchSourceProvider$6.handleEvent(WorkbenchSourceProvider.java:775) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1524) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1257) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263) at org.eclipse.swt.widgets.Shell.filterProc(Shell.java:730) at org.eclipse.swt.widgets.Display.filterProc(Display.java:1536) 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:2237) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3159) 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.views.log.EventDetailsDialog.open(EventDetailsDialog.java:176) at org.eclipse.ui.internal.views.log.EventDetailsDialogAction.run(EventDetailsDialogAction.java:98) at org.eclipse.ui.internal.views.log.LogView$15.doubleClick(LogView.java:536) at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:824) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:822) at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1421) at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1225) at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238) at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 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:369) 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:620) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) at org.eclipse.equinox.launcher.Main.run(Main.java:1408) at org.eclipse.equinox.launcher.Main.main(Main.java:1384) !ENTRY org.eclipse.ui 4 0 2011-06-02 10:37:19.517 !MESSAGE Unhandled event loop exception !STACK 0 java.lang.NullPointerException at org.eclipse.swt.widgets.MenuItem.getAccelGroup(MenuItem.java:316) at org.eclipse.swt.widgets.MenuItem.setEnabled(MenuItem.java:640) at org.eclipse.ui.menus.CommandContributionItem.updateMenuItem(CommandContributionItem.java:627) at org.eclipse.ui.menus.CommandContributionItem.update(CommandContributionItem.java:576) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:876) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:876) at org.eclipse.ui.internal.Workbench.updateActiveWorkbenchWindowMenuManager(Workbench.java:3276) at org.eclipse.ui.internal.Workbench.access$0(Workbench.java:3238) at org.eclipse.ui.internal.Workbench$2.bindingManagerChanged(Workbench.java:3224) at org.eclipse.jface.bindings.BindingManager.fireBindingManagerChanged(BindingManager.java:900) at org.eclipse.jface.bindings.BindingManager.setActiveBindings(BindingManager.java:2176) at org.eclipse.jface.bindings.BindingManager.recomputeBindings(BindingManager.java:1742) at org.eclipse.jface.bindings.BindingManager.contextManagerChanged(BindingManager.java:689) at org.eclipse.core.commands.contexts.ContextManager.fireContextManagerChanged(ContextManager.java:165) at org.eclipse.core.commands.contexts.ContextManager.removeActiveContext(ContextManager.java:245) at org.eclipse.ui.internal.contexts.ContextAuthority.updateContext(ContextAuthority.java:758) at org.eclipse.ui.internal.contexts.ContextAuthority.deactivateContext(ContextAuthority.java:344) at org.eclipse.ui.internal.contexts.ContextAuthority$1.widgetDisposed(ContextAuthority.java:283) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:123) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263) at org.eclipse.swt.widgets.Widget.release(Widget.java:1080) at org.eclipse.swt.widgets.Control.release(Control.java:3304) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:462) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:2241) 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.ui.internal.statushandlers.InternalDialog.close(InternalDialog.java:710) at org.eclipse.jface.dialogs.Dialog.okPressed(Dialog.java:940) at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:472) at org.eclipse.ui.internal.statushandlers.InternalDialog.buttonPressed(InternalDialog.java:190) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161) 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.views.log.EventDetailsDialog.open(EventDetailsDialog.java:176) at org.eclipse.ui.internal.views.log.EventDetailsDialogAction.run(EventDetailsDialogAction.java:98) at org.eclipse.ui.internal.views.log.LogView$15.doubleClick(LogView.java:536) at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:824) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:822) at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1421) at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1225) at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238) at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 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:369) 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:620) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) at org.eclipse.equinox.launcher.Main.run(Main.java:1408) at org.eclipse.equinox.launcher.Main.main(Main.java:1384) --------------------- If this error emerged, when emerge StackOverFlow error and I must restart STS. Reproducible: Sometimes Steps to Reproduce: 1. Active use xml editor 2. Sometime emerge this error 3.

Files changed in fix:
bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/MenuItem.java