java.lang.ClassCastException

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    • java.lang.ClassCastException: java.lang.Object cannot be cast to org.eclipse.e4.core.commands.EHandlerService at org.eclipse.ui.internal.menus.MenuHelper$1.evaluate(MenuHelper.java:240) at org.eclipse.e4.ui.internal.workbench.ContributionsAnalyzer.isVisible(ContributionsAnalyzer.java:248) at org.eclipse.e4.ui.workbench.renderers.swt.ToolBarContributionRecord.computeVisibility(ToolBarContributionRecord.java:114) at org.eclipse.e4.ui.workbench.renderers.swt.ToolBarContributionRecord.updateVisibility(ToolBarContributionRecord.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.ToolBarManagerRenderer$6.changed(ToolBarManagerRenderer.java:352) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:110) at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:328) at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:342) at org.eclipse.e4.core.internal.contexts.EclipseContext.activate(EclipseContext.java:625) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener$2.run(ShellActivationListener.java:120) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.activate(ShellActivationListener.java:117) at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.handleEvent(ShellActivationListener.java:73) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1056) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1081) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Decorations.WM_ACTIVATE(Decorations.java:1664) at org.eclipse.swt.widgets.Shell.WM_ACTIVATE(Shell.java:2145) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4606) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340) at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1627) at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2069) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4977) at org.eclipse.swt.internal.win32.OS.BringWindowToTop(Native Method) at org.eclipse.swt.widgets.Decorations.bringToTop(Decorations.java:231) at org.eclipse.swt.widgets.Shell.open(Shell.java:1217) at org.eclipse.jface.window.Window.open(Window.java:798) at org.eclipse.ui.internal.statushandlers.InternalDialog.open(InternalDialog.java:327) at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:270) at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197) at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:156) at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:101) at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.handle(WorkbenchErrorHandler.java:57) at org.eclipse.ui.internal.ide.IDEWorkbenchErrorHandler.handle(IDEWorkbenchErrorHandler.java:108) at org.eclipse.ui.internal.WorkbenchErrorHandlerProxy.handle(WorkbenchErrorHandlerProxy.java:36) at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:189) at org.eclipse.ui.internal.progress.ProgressManager$2.done(ProgressManager.java:467) at org.eclipse.core.internal.jobs.JobListeners$3.notify(JobListeners.java:39) at org.eclipse.core.internal.jobs.JobListeners.doNotify(JobListeners.java:96) at org.eclipse.core.internal.jobs.JobListeners.done(JobListeners.java:152) at org.eclipse.core.internal.jobs.JobManager.endJob(JobManager.java:647) at org.eclipse.core.internal.jobs.InternalJob.done(InternalJob.java:208) at org.eclipse.core.runtime.jobs.Job.done(Job.java:226) at org.eclipse.debug.internal.ui.launchConfigurations.PerspectiveManager$1.run(PerspectiveManager.java:223) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1108) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:137) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:600) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555) 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:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) 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:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)

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