java.lang.ArrayIndexOutOfBoundsException: -1
   at org.netbeans.modules.visual.layout.ConnectionWidgetLayout.getLinePointAtPercentage(ConnectionWidgetLayout.java:176)
   at org.netbeans.modules.visual.layout.ConnectionWidgetLayout.layout(ConnectionWidgetLayout.java:144)
   at org.netbeans.api.visual.widget.Widget.layout(Widget.java:1356)
   at org.netbeans.api.visual.widget.Widget.layout(Widget.java:1348)
   at org.netbeans.api.visual.widget.LayerWidget.layout(LayerWidget.java:89)
   at org.netbeans.api.visual.widget.Widget.layout(Widget.java:1348)
   at org.netbeans.api.visual.widget.Scene.layoutScene(Scene.java:318)
   at org.netbeans.api.visual.widget.Scene.validate(Scene.java:399)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:295)
   at org.netbeans.api.visual.widget.SceneComponent.mouseMoved(SceneComponent.java:186)
   at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:329)
   at java.awt.Component.processMouseMotionEvent(Component.java:6570)
   at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3342)
   at java.awt.Component.processEvent(Component.java:6294)
   at java.awt.Container.processEvent(Container.java:2234)
   at java.awt.Component.dispatchEventImpl(Component.java:4881)
   at java.awt.Container.dispatchEventImpl(Container.java:2292)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4546)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4462)
   at java.awt.Container.dispatchEventImpl(Container.java:2278)
   at java.awt.Window.dispatchEventImpl(Window.java:2750)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
   at java.awt.EventQueue$4.run(EventQueue.java:731)
   at java.awt.EventQueue$4.run(EventQueue.java:729)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)