!ENTRY org.eclipse.e4.ui.workbench 4 2 2018-08-24 08:03:56.499 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.e4.ui.workbench". !STACK 0 java.lang.ClassCastException: org.eclipse.ui.internal.ErrorEditorPart cannot be cast to org.knime.workbench.editor2.WorkflowEditor at org.knime.workbench.editor2.actions.AddMetaNodeAction.setActiveEditor(AddMetaNodeAction.java:78) at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:71) at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:80) at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129) at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:344) at org.eclipse.ui.internal.WorkbenchPage.updateActivations(WorkbenchPage.java:311) at org.eclipse.ui.internal.WorkbenchPage.access$18(WorkbenchPage.java:293) at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:211) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:250) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:247) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:756) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:681) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:95) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:60) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1357) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1832) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1795) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4195) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3427) at org.eclipse.swt.widgets.Text.gtk_event_after(Text.java:1657) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1963) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6193) at org.eclipse.swt.widgets.Text.windowProc(Text.java:2918) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5608) 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:14001) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2709) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2702) at org.eclipse.swt.widgets.Control.setFocus(Control.java:4862) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1525) at org.eclipse.ui.internal.ErrorEditorPart.setFocus(ErrorEditorPart.java:81) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.delegateSetFocus(CompatibilityPart.java:216) at sun.reflect.GeneratedMethodAccessor47.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) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:305) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:311) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:233) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:107) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.focusGui(PartRenderingEngine.java:789) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.setFocus(ContributedPartRenderer.java:103) at org.eclipse.swt.custom.CTabItem.setFocus(CTabItem.java:332) at org.eclipse.swt.custom.CTabFolder.setFocus(CTabFolder.java:2619) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:252) at org.eclipse.swt.widgets.Control.setVisible(Control.java:5519) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3163) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3120) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1305) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.lambda$0(LazyStackRenderer.java:68) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.hidePart(PartServiceImpl.java:1304) at org.eclipse.ui.internal.WorkbenchPage.hidePart(WorkbenchPage.java:1591) at org.eclipse.ui.internal.WorkbenchPage.hidePart(WorkbenchPage.java:1542) at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1512) at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1637) at org.eclipse.ui.texteditor.AbstractTextEditor$10.run(AbstractTextEditor.java:4275) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) !ENTRY org.eclipse.e4.ui.workbench 4 0 2018-08-24 08:03:56.499 !MESSAGE An exception occurred while notifying part listeners !STACK 0 java.lang.ClassCastException: org.eclipse.ui.internal.ErrorEditorPart cannot be cast to org.knime.workbench.editor2.WorkflowEditor at org.knime.workbench.editor2.actions.AddMetaNodeAction.setActiveEditor(AddMetaNodeAction.java:78) at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:71) at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:80) at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129) at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:344) at org.eclipse.ui.internal.WorkbenchPage.updateActivations(WorkbenchPage.java:311) at org.eclipse.ui.internal.WorkbenchPage.access$18(WorkbenchPage.java:293) at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:211) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:250) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:247) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:756) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:681) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:95) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:60) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1357) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1832) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1795) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4195) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3427) at org.eclipse.swt.widgets.Text.gtk_event_after(Text.java:1657) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1963) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6193) at org.eclipse.swt.widgets.Text.windowProc(Text.java:2918) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5608) 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:14001) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2709) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2702) at org.eclipse.swt.widgets.Control.setFocus(Control.java:4862) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1525) at org.eclipse.ui.internal.ErrorEditorPart.setFocus(ErrorEditorPart.java:81) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.delegateSetFocus(CompatibilityPart.java:216) at sun.reflect.GeneratedMethodAccessor47.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) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:305) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:311) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:233) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:107) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.focusGui(PartRenderingEngine.java:789) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.setFocus(ContributedPartRenderer.java:103) at org.eclipse.swt.custom.CTabItem.setFocus(CTabItem.java:332) at org.eclipse.swt.custom.CTabFolder.setFocus(CTabFolder.java:2619) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:252) at org.eclipse.swt.widgets.Control.setVisible(Control.java:5519) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3163) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3120) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1305) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.lambda$0(LazyStackRenderer.java:68) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.hidePart(PartServiceImpl.java:1304) at org.eclipse.ui.internal.WorkbenchPage.hidePart(WorkbenchPage.java:1591) at org.eclipse.ui.internal.WorkbenchPage.hidePart(WorkbenchPage.java:1542) at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1512) at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1637) at org.eclipse.ui.texteditor.AbstractTextEditor$10.run(AbstractTextEditor.java:4275) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144) 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:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) !ENTRY org.eclipse.ui 4 4 2018-08-24 08:04:02.699 !MESSAGE Unable to initialize part !STACK 0 java.lang.NullPointerException at org.knime.js.base.node.quickform.selection.column.ColumnSelectionQuickFormNodeModel.setInternalTables(ColumnSelectionQuickFormNodeModel.java:186) at org.knime.core.node.Node.loadDataAndInternals(Node.java:512) at org.knime.core.node.Node.load(Node.java:314) at org.knime.core.node.workflow.NativeNodeContainer.performLoadContent(NativeNodeContainer.java:819) at org.knime.core.node.workflow.SingleNodeContainer.loadContent(SingleNodeContainer.java:773) at org.knime.core.node.workflow.WorkflowManager.postLoad(WorkflowManager.java:7884) at org.knime.core.node.workflow.WorkflowManager.loadContent(WorkflowManager.java:7759) at org.knime.core.node.workflow.SubNodeContainer.performLoadContent(SubNodeContainer.java:1629) at org.knime.core.node.workflow.SingleNodeContainer.loadContent(SingleNodeContainer.java:773) at org.knime.core.node.workflow.WorkflowManager.postLoad(WorkflowManager.java:7884) at org.knime.core.node.workflow.WorkflowManager.loadContent(WorkflowManager.java:7759) at org.knime.core.node.workflow.WorkflowManager.postLoad(WorkflowManager.java:7884) at org.knime.core.node.workflow.WorkflowManager.loadContent(WorkflowManager.java:7759) at org.knime.core.node.workflow.WorkflowManager.postLoad(WorkflowManager.java:7884) at org.knime.core.node.workflow.WorkflowManager.loadContent(WorkflowManager.java:7759) at org.knime.core.node.workflow.WorkflowManager.load(WorkflowManager.java:7713) at org.knime.core.node.workflow.WorkflowManager.load(WorkflowManager.java:7634) at org.knime.core.node.workflow.WorkflowManager.load(WorkflowManager.java:7607) at org.knime.core.node.workflow.WorkflowManager.loadProject(WorkflowManager.java:7452) at org.knime.workbench.editor2.LoadWorkflowRunnable.run(LoadWorkflowRunnable.java:174) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) !ENTRY org.eclipse.e4.ui.workbench 4 0 2018-08-24 08:04:02.699 !MESSAGE !STACK 0 java.lang.NullPointerException at org.knime.workbench.editor2.WorkflowEditor.getSubEditors(WorkflowEditor.java:488) at org.knime.workbench.editor2.WorkflowEditor.dispose(WorkflowEditor.java:585) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.handlePartInitException(CompatibilityPart.java:302) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:340) 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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:104) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:52) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:620) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:584) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:769) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1188) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3261) at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098) at org.knime.workbench.explorer.view.ExplorerView.openEditor(ExplorerView.java:446) at org.knime.workbench.explorer.view.ExplorerView.openSelected(ExplorerView.java:416) at org.knime.workbench.explorer.view.ExplorerView.access$4(ExplorerView.java:371) at org.knime.workbench.explorer.view.ExplorerView$3$1.run(ExplorerView.java:486) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144) 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:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) !ENTRY org.eclipse.ui 4 4 2018-08-24 08:04:02.700 !MESSAGE Unable to create part !SUBENTRY 1 org.eclipse.ui 4 0 2018-08-24 08:04:02.700 !MESSAGE java.lang.NullPointerException !ENTRY org.eclipse.e4.ui.workbench 4 2 2018-08-24 08:04:02.738 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.e4.ui.workbench". !STACK 0 java.lang.ClassCastException: org.eclipse.ui.internal.ErrorEditorPart cannot be cast to org.knime.workbench.editor2.WorkflowEditor at org.knime.workbench.editor2.actions.AddMetaNodeAction.setActiveEditor(AddMetaNodeAction.java:78) at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:71) at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:80) at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129) at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:344) at org.eclipse.ui.internal.WorkbenchPage.updateActivations(WorkbenchPage.java:311) at org.eclipse.ui.internal.WorkbenchPage.access$18(WorkbenchPage.java:293) at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:211) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:250) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:247) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:756) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:681) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:676) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3269) at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098) at org.knime.workbench.explorer.view.ExplorerView.openEditor(ExplorerView.java:446) at org.knime.workbench.explorer.view.ExplorerView.openSelected(ExplorerView.java:416) at org.knime.workbench.explorer.view.ExplorerView.access$4(ExplorerView.java:371) at org.knime.workbench.explorer.view.ExplorerView$3$1.run(ExplorerView.java:486) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) !ENTRY org.eclipse.e4.ui.workbench 4 0 2018-08-24 08:04:02.738 !MESSAGE An exception occurred while notifying part listeners !STACK 0 java.lang.ClassCastException: org.eclipse.ui.internal.ErrorEditorPart cannot be cast to org.knime.workbench.editor2.WorkflowEditor at org.knime.workbench.editor2.actions.AddMetaNodeAction.setActiveEditor(AddMetaNodeAction.java:78) at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:71) at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:80) at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129) at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:344) at org.eclipse.ui.internal.WorkbenchPage.updateActivations(WorkbenchPage.java:311) at org.eclipse.ui.internal.WorkbenchPage.access$18(WorkbenchPage.java:293) at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:211) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:250) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:247) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:756) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:681) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:676) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3269) at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098) at org.knime.workbench.explorer.view.ExplorerView.openEditor(ExplorerView.java:446) at org.knime.workbench.explorer.view.ExplorerView.openSelected(ExplorerView.java:416) at org.knime.workbench.explorer.view.ExplorerView.access$4(ExplorerView.java:371) at org.knime.workbench.explorer.view.ExplorerView$3$1.run(ExplorerView.java:486) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144) 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:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472)