[kepler-dev] error dragging a relation from a port
Christopher Brooks
cxh at eecs.berkeley.edu
Mon Aug 20 18:14:06 PDT 2012
Hi Derik,
It seems like it is Edward's change:
2012-08-18 06:22 eal
* [r64418] /trunk/diva/canvas/interactor/BasicGrabHandle.java:
Prevent null pointer exception that can happen while editing a
model while it is running by checking the Figure of Site for the
connector being dragged.
The change is:
> [dhcp-39-161:~/ptII] cxh% svn diff -r64417:64418
> diva/canvas/interactor/BasicGrabHandle.java
> Index: diva/canvas/interactor/BasicGrabHandle.java
> ===================================================================
> --- diva/canvas/interactor/BasicGrabHandle.java (revision 64417)
> +++ diva/canvas/interactor/BasicGrabHandle.java (revision 64418)
> @@ -87,6 +87,10 @@
> // Be sure to take into account that the transformContext of the
> // site and the context of the grab handle may be different.
> TransformContext tc = getTransformContext();
> + if (_site.getFigure() == null ||
> _site.getFigure().getParent() == null) {
> + // Cannot relocate.
> + return;
> + }
> Point2D p = _site.getPoint(tc);
> double x = p.getX();
> double y = p.getY();
I rolled back r64418 and updated diva.jar
_Christopher
On 8/20/12 3:28 PM, Derik Barseghian wrote:
> Hey Christopher,
> Dan and I are getting an error[1] when trying to drag a relation from
> a port today in Kepler.
> I'm also seeing a few other issues that seem to happen after the
> above. I got an NPE[2] from a click, have strange actor-drag behavior
> (actor drags wildly / shoots off in one direction), and sometimes dots
> are left over on canvas at the point where I clicked on the port. Also
> when I'm dragging out a relation I also notice in the upper left
> corner of canvas a blue 'port endpoint' square (generally only
> noticeable in the overview section in the lower left).
> See attached screenshot to see dots and blue square.
> Derik
>
> [1]
> java.lang.NullPointerException
> at diva.canvas.TransformContext.getTransform(TransformContext.java:161)
> at diva.canvas.AbstractSite.getPoint(AbstractSite.java:82)
> at
> diva.canvas.connector.BasicManhattanRouter.routeManhattan(BasicManhattanRouter.java:87)
> at
> diva.canvas.connector.BasicManhattanRouter.route(BasicManhattanRouter.java:68)
> at
> diva.canvas.connector.ManhattanConnector.route(ManhattanConnector.java:121)
> at
> ptolemy.vergil.actor.KielerLayoutConnector.route(KielerLayoutConnector.java:214)
> at
> diva.canvas.connector.AbstractConnector.reroute(AbstractConnector.java:285)
> at
> diva.canvas.connector.AbstractConnector.tailMoved(AbstractConnector.java:406)
> at
> diva.canvas.connector.AbstractConnector.setTailSite(AbstractConnector.java:398)
> at ptolemy.vergil.actor.ActorEditorGraphController$LinkCreator.mousePressed(ActorEditorGraphController.java:676)
> at
> diva.canvas.interactor.CompositeInteractor.mousePressed(CompositeInteractor.java:199)
> at diva.canvas.FigureLayer.dispatchEventUpTree(FigureLayer.java:551)
> at diva.canvas.FigureLayer.grabPointer(FigureLayer.java:319)
> at diva.canvas.FigureLayer.processLayerEvent(FigureLayer.java:673)
> at diva.canvas.FigureLayer.dispatchEvent(FigureLayer.java:203)
> at diva.canvas.CanvasPane.processLayerEvent(CanvasPane.java:280)
> at diva.canvas.CanvasPane.dispatchEvent(CanvasPane.java:89)
> at diva.canvas.JCanvas.internalProcessMouseEvent(JCanvas.java:520)
> at diva.canvas.JCanvas.processMouseEvent(JCanvas.java:474)
> at java.awt.Component.processEvent(Component.java:6140)
> at java.awt.Container.processEvent(Container.java:2083)
> at java.awt.Component.dispatchEventImpl(Component.java:4737)
> at java.awt.Container.dispatchEventImpl(Container.java:2141)
> at java.awt.Component.dispatchEvent(Component.java:4565)
> at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4619)
> at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4277)
> at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4210)
> at java.awt.Container.dispatchEventImpl(Container.java:2127)
> at java.awt.Window.dispatchEventImpl(Window.java:2482)
> at java.awt.Component.dispatchEvent(Component.java:4565)
> at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:684)
> at java.awt.EventQueue.access$000(EventQueue.java:85)
> at java.awt.EventQueue$1.run(EventQueue.java:643)
> at java.awt.EventQueue$1.run(EventQueue.java:641)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
> at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
> at java.awt.EventQueue$2.run(EventQueue.java:657)
> at java.awt.EventQueue$2.run(EventQueue.java:655)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
> at java.awt.EventQueue.dispatchEvent(EventQueue.java:654)
> at
> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
> at
> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
> at
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
> at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
>
>
> [2]
> [run] Exception in thread "AWT-EventQueue-0"
> java.lang.NullPointerException
> [run] at
> diva.canvas.TransformContext.getTransform(TransformContext.java:161)
> [run] at diva.canvas.AbstractSite.getPoint(AbstractSite.java:82)
> [run] at
> diva.canvas.interactor.BasicGrabHandle.relocate(BasicGrabHandle.java:94)
> [run] at
> diva.canvas.interactor.Manipulator.relocateGrabHandles(Manipulator.java:191)
> [run] at
> diva.canvas.interactor.Manipulator.repaint(Manipulator.java:211)
> [run] at
> diva.canvas.interactor.Manipulator.repaint(Manipulator.java:175)
> [run] at diva.canvas.AbstractFigure.repaint(AbstractFigure.java:236)
> [run] at diva.canvas.AbstractFigure.repaint(AbstractFigure.java:224)
> [run] at
> diva.canvas.FigureDecorator.setChild(FigureDecorator.java:190)
> [run] at
> diva.canvas.connector.ConnectorManipulator.setChild(ConnectorManipulator.java:215)
> [run] at diva.canvas.FigureLayer.decorate(FigureLayer.java:180)
> [run] at
> diva.canvas.interactor.BasicSelectionRenderer.renderSelected(BasicSelectionRenderer.java:119)
> [run] at
> diva.canvas.interactor.BasicSelectionModel.renderSelected(BasicSelectionModel.java:271)
> [run] at
> diva.canvas.interactor.BasicSelectionModel.addSelection(BasicSelectionModel.java:101)
> [run] at
> diva.canvas.interactor.SelectionInteractor.mousePressed(SelectionInteractor.java:172)
> [run] at
> diva.canvas.FigureLayer.dispatchEventUpTree(FigureLayer.java:551)
> [run] at diva.canvas.FigureLayer.grabPointer(FigureLayer.java:319)
> [run] at
> diva.canvas.FigureLayer.processLayerEvent(FigureLayer.java:673)
> [run] at diva.canvas.FigureLayer.dispatchEvent(FigureLayer.java:203)
> [run] at
> diva.canvas.CanvasPane.processLayerEvent(CanvasPane.java:280)
> [run] at diva.canvas.CanvasPane.dispatchEvent(CanvasPane.java:89)
> [run] at
> diva.canvas.JCanvas.internalProcessMouseEvent(JCanvas.java:520)
> [run] at diva.canvas.JCanvas.processMouseEvent(JCanvas.java:474)
> [run] at java.awt.Component.processEvent(Component.java:6140)
> [run] at java.awt.Container.processEvent(Container.java:2083)
> [run] at java.awt.Component.dispatchEventImpl(Component.java:4737)
> [run] at java.awt.Container.dispatchEventImpl(Container.java:2141)
> [run] at java.awt.Component.dispatchEvent(Component.java:4565)
> [run] at
> java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4619)
> [run] at
> java.awt.LightweightDispatcher.processMouseEvent(Container.java:4277)
> [run] at
> java.awt.LightweightDispatcher.dispatchEvent(Container.java:4210)
> [run] at java.awt.Container.dispatchEventImpl(Container.java:2127)
> [run] at java.awt.Window.dispatchEventImpl(Window.java:2482)
> [run] at java.awt.Component.dispatchEvent(Component.java:4565)
> [run] at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:684)
> [run] at java.awt.EventQueue.access$000(EventQueue.java:85)
> [run] at java.awt.EventQueue$1.run(EventQueue.java:643)
> [run] at java.awt.EventQueue$1.run(EventQueue.java:641)
> [run] at java.security.AccessController.doPrivileged(Native Method)
> [run] at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
> [run] at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
> [run] at java.awt.EventQueue$2.run(EventQueue.java:657)
> [run] at java.awt.EventQueue$2.run(EventQueue.java:655)
> [run] at java.security.AccessController.doPrivileged(Native Method)
> [run] at
> java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
> [run] at java.awt.EventQueue.dispatchEvent(EventQueue.java:654)
> [run] at
> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
> [run] at
> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
> [run] at
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
> [run] at
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
> [run] at
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
> [run] at
> java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
>
>
>
--
Christopher Brooks, PMP University of California
CHESS Executive Director US Mail: 337 Cory Hall
Programmer/Analyst CHESS/Ptolemy/Trust Berkeley, CA 94720-1774
ph: 510.643.9841 (Office: 545Q Cory)
home: (F-Tu) 707.665.0131 cell: 707.332.0670
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