Exception in thread "org.teiid.designer.ui.common.viewsupport.UiBusyIndicator runnable parent thread" org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.swt.SWTError: No more handles)
    at org.eclipse.swt.SWT.error(SWT.java:4533)
    at org.eclipse.swt.SWT.error(SWT.java:4448)
    at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:259)
    at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144)
    at org.eclipse.swt.widgets.Display.syncExec(Display.java:5455)
    at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator$2.run(UiBusyIndicator.java:202)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.eclipse.swt.SWTError: No more handles
    at org.eclipse.swt.SWT.error(SWT.java:4559)
    at org.eclipse.swt.SWT.error(SWT.java:4448)
    at org.eclipse.swt.SWT.error(SWT.java:4419)
    at org.eclipse.swt.graphics.Cursor.<init>(Cursor.java:180)
    at org.eclipse.draw2d.Cursors.<clinit>(Cursors.java:195)
    at org.eclipse.gef.tools.DragEditPartsTracker.<init>(DragEditPartsTracker.java:89)
    at org.eclipse.gef.editpolicies.NonResizableEditPolicy.getDragTracker(NonResizableEditPolicy.java:137)
    at org.eclipse.gef.editpolicies.NonResizableEditPolicy.createMoveHandle(NonResizableEditPolicy.java:153)
    at org.eclipse.gef.editpolicies.ResizableEditPolicy.createSelectionHandles(ResizableEditPolicy.java:64)
    at org.eclipse.gef.editpolicies.SelectionHandlesEditPolicy.addSelectionHandles(SelectionHandlesEditPolicy.java:52)
    at org.eclipse.gef.editpolicies.SelectionHandlesEditPolicy.showSelection(SelectionHandlesEditPolicy.java:113)
    at org.eclipse.gef.editpolicies.SelectionEditPolicy.showPrimarySelection(SelectionEditPolicy.java:157)
    at org.eclipse.gef.editpolicies.SelectionEditPolicy.setSelectedState(SelectionEditPolicy.java:137)
    at org.eclipse.gef.editpolicies.SelectionEditPolicy$1.selectedStateChanged(SelectionEditPolicy.java:57)
    at org.eclipse.gef.editparts.AbstractEditPart.fireSelectionChanged(AbstractEditPart.java:436)
    at org.eclipse.gef.editparts.AbstractEditPart.setSelected(AbstractEditPart.java:1067)
    at org.teiid.designer.diagram.ui.part.AbstractDefaultEditPart.setSelected(AbstractDefaultEditPart.java:749)
    at org.eclipse.gef.SelectionManager.appendSelection(SelectionManager.java:89)
    at org.eclipse.gef.ui.parts.AbstractEditPartViewer.appendSelection(AbstractEditPartViewer.java:190)
    at org.eclipse.gef.ui.parts.AbstractEditPartViewer.select(AbstractEditPartViewer.java:599)
    at org.teiid.designer.diagram.ui.editor.DiagramViewer.select(DiagramViewer.java:183)
    at org.teiid.designer.diagram.ui.editor.DiagramSelectionHandler.select(DiagramSelectionHandler.java:64)
    at org.teiid.designer.transformation.ui.diagram.TransformationDiagramSelectionHandler.select(TransformationDiagramSelectionHandler.java:48)
    at org.teiid.designer.diagram.ui.editor.DiagramEditor.openContext(DiagramEditor.java:1302)
    at org.teiid.designer.ui.editors.ModelEditor.openModelObject(ModelEditor.java:1014)
    at org.teiid.designer.ui.editors.ModelEditor.openModelObject(ModelEditor.java:985)
    at org.teiid.designer.ui.editors.ModelEditorManager$5.run(ModelEditorManager.java:350)
    at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator$2$1.run(UiBusyIndicator.java:206)
    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:4497)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4110)
    at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator.executeRunnable(UiBusyIndicator.java:227)
    at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator.showWhileInternal(UiBusyIndicator.java:159)
    at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator.showWhile(UiBusyIndicator.java:116)
    at org.teiid.designer.ui.editors.ModelEditorManager.open(ModelEditorManager.java:344)
    at org.teiid.designer.ui.explorer.ModelExplorerResourceNavigator$6.doubleClick(ModelExplorerResourceNavigator.java:744)
    at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:831)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
    at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:828)
    at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1459)
    at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1258)
    at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:249)
    at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:247)
    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:306)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5268)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4522)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4107)
    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.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
    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)