Every time I want to open context group I get the following error.
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.ClassFormatError: org/eclipse/nebula/widgets/nattable/viewport/VerticalScrollBarHandler) at org.eclipse.swt.SWT.error(SWT.java:4441) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4147) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.talend.rcp.intro.Application.start(Application.java:265) 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:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) 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:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) Caused by: java.lang.ClassFormatError: org/eclipse/nebula/widgets/nattable/viewport/VerticalScrollBarHandler at org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer.doCommand(ViewportLayer.java:943) at org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer.doCommandOnChildLayer(GridLayer.java:109) at org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer.doCommandOnChildLayers(GridLayer.java:96) at org.eclipse.nebula.widgets.nattable.layer.CompositeLayer.doCommand(CompositeLayer.java:135) at org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer.doCommand(GridLayer.java:178) at org.eclipse.nebula.widgets.nattable.NatTable.doCommand(NatTable.java:626) at org.eclipse.nebula.widgets.nattable.NatTable$5.handleEvent(NatTable.java:374) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066) at org.eclipse.swt.widgets.Control.WM_SIZE(Control.java:5257) at org.eclipse.swt.widgets.Scrollable.WM_SIZE(Scrollable.java:316) at org.eclipse.swt.widgets.Composite.WM_SIZE(Composite.java:1690) at org.eclipse.swt.widgets.Canvas.WM_SIZE(Canvas.java:462) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4685) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5023) at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method) at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:2544) at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:79) at org.eclipse.swt.widgets.Control.WM_WINDOWPOSCHANGED(Control.java:5492) at org.eclipse.swt.widgets.Canvas.WM_WINDOWPOSCHANGED(Canvas.java:468) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4698) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5036) at org.eclipse.swt.internal.win32.OS.EndDeferWindowPos(Native Method) at org.eclipse.swt.widgets.Composite.resizeChildren(Composite.java:950) at org.eclipse.swt.widgets.Composite.resizeChildren(Composite.java:916) at org.eclipse.swt.widgets.Composite.setResizeChildren(Composite.java:1127) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1291) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1276) at org.eclipse.swt.widgets.Composite.layout(Composite.java:665) at org.eclipse.swt.widgets.Composite.layout(Composite.java:623) at org.eclipse.swt.widgets.Composite.layout(Composite.java:586) at org.talend.core.ui.context.ContextNebulaGridComposite.refresh(ContextNebulaGridComposite.java:611) at org.talend.core.ui.context.ContextNebulaGridComposite$2$1.run(ContextNebulaGridComposite.java:750) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
On which talend build version you got this issue? What's OS and JDK version are you using? Did you install your studio completely? Thanks for your time.
