NPE after changing selection in Debug view

null
org.eclipse.e4.ui.workbench
Error
Wed Oct 03 10:36:27 CEST 2018
Problems occurred when invoking code from plug-in: "org.eclipse.e4.ui.workbench".

java.lang.NullPointerException
	at org.fusesource.ide.camel.editor.CamelDesignEditor.selectionChanged(CamelDesignEditor.java:285)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:254)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.handleSelectionChanged(SelectionService.java:88)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.lambda$1(SelectionService.java:69)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$2.run(SelectionAggregator.java:145)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyTargetedListeners(SelectionAggregator.java:142)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyListeners(SelectionAggregator.java:132)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.access$2(SelectionAggregator.java:118)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$5.lambda$0(SelectionAggregator.java:220)
	at org.eclipse.e4.core.contexts.RunAndTrack.runExternalCode(RunAndTrack.java:59)
	at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$5.changed(SelectionAggregator.java:220)
	at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:117)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:365)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:380)
	at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.setSelection(SelectionServiceImpl.java:34)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.selectionChanged(CompatibilityPart.java:474)
	at org.eclipse.ui.part.PageBookView$SelectionManager$1.run(PageBookView.java:245)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.ui.part.PageBookView$SelectionManager.selectionChanged(PageBookView.java:242)
	at org.eclipse.ui.part.PageBookView$SelectionProvider.selectionChanged(PageBookView.java:301)
	at org.eclipse.ui.part.PageBookView.pageSelectionChanged(PageBookView.java:870)
	at org.eclipse.ui.part.PageBookView.lambda$1(PageBookView.java:161)
	at org.eclipse.jface.viewers.Viewer$1.run(Viewer.java:158)
	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.Viewer.fireSelectionChanged(Viewer.java:155)
	at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2182)
	at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1225)
	at org.eclipse.debug.internal.ui.viewers.model.InternalTreeModelViewer.handleSelect(InternalTreeModelViewer.java:1822)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1254)
	at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:243)
	at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:238)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:403)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5797)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4583)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:628)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:563)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:151)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:199)
	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:391)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:246)
	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:659)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:595)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1501)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1474)