java.lang.NoClassDefFoundError: org/eclipse/cdt/internal/ui/editor/CEditor at org.eclipse.cdt.debug.internal.ui.breakpoints.ToggleCBreakpointTester.test(ToggleCBreakpointTester.java:44) at org.eclipse.core.internal.expressions.Property.test(Property.java:58) at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:99) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateOr(CompositeExpression.java:68) at org.eclipse.core.internal.expressions.OrExpression.evaluate(OrExpression.java:21) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53) at org.eclipse.core.internal.expressions.EnablementExpression.evaluate(EnablementExpression.java:53) at org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager$ToggleTargetFactory.evalEnablementExpression(ToggleBreakpointsTargetManager.java:181) at org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager$ToggleTargetFactory.isEnabled(ToggleBreakpointsTargetManager.java:134) at org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager.getEnabledFactories(ToggleBreakpointsTargetManager.java:490) at org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager.getPreferredToggleBreakpointsTargetID(ToggleBreakpointsTargetManager.java:529) at org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager.getToggleBreakpointsTarget(ToggleBreakpointsTargetManager.java:535) at org.eclipse.debug.internal.ui.actions.breakpoints.RetargetBreakpointAction.getAdapter(RetargetBreakpointAction.java:47) at org.eclipse.debug.internal.ui.actions.RetargetAction.partActivated(RetargetAction.java:166) at org.eclipse.ui.internal.PartService$1.run(PartService.java:76) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.PartService.partActivated(PartService.java:74) at org.eclipse.ui.internal.WorkbenchPage$11.run(WorkbenchPage.java:4306) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.WorkbenchPage.firePartActivated(WorkbenchPage.java:4304) at org.eclipse.ui.internal.WorkbenchPage.access$14(WorkbenchPage.java:4292) at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:169) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$2.run(PartServiceImpl.java:190) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:188) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.setPart(PartServiceImpl.java:163) at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:77) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:106) at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:308) at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:322) at org.eclipse.e4.core.internal.contexts.EclipseContext.activate(EclipseContext.java:608) at org.eclipse.e4.core.internal.contexts.EclipseContext.activateBranch(EclipseContext.java:613) at org.eclipse.e4.ui.internal.workbench.PartActivationHistory.activate(PartActivationHistory.java:52) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:560) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:531) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:520) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:955) at org.eclipse.ui.internal.WorkbenchPage.showPart(WorkbenchPage.java:1211) at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1190) at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:3764) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3761) at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3737) at org.eclipse.egit.ui.internal.actions.CompareWithHeadActionHandler.execute(CompareWithHeadActionHandler.java:84) at org.eclipse.egit.ui.internal.actions.RepositoryAction.run(RepositoryAction.java:78) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251) 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:1276) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3554) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3179) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1022) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:916) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:585) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540) 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:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:638) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:593) at org.eclipse.equinox.launcher.Main.run(Main.java:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1423)
Nevermind, this seems to have gone away with a restart.