Deadlock: JFXPanel, ContextMenu, macOS

Kevin Rushforth kevin.rushforth at oracle.com
Thu Jul 30 15:54:47 UTC 2020


Thanks, I'll take a look at it and let you know if we need anything else.

-- Kevin


On 7/30/2020 8:45 AM, Steven Yi wrote:
> Hi Kevin,
>
> I pasted in the minimal reproducible example with the issue I filed as 
> well as a link to the github repo; I hope the everything is in order.
>
> Thanks,
> Steven
>
>
> On Thu, Jul 30, 2020 at 10:57 AM Kevin Rushforth 
> <kevin.rushforth at oracle.com <mailto:kevin.rushforth at oracle.com>> wrote:
>
>     If you can provide a small, standalone test case as part of the bug
>     report, that would be ideal.
>
>     Thanks.
>
>     -- Kevin
>
>
>     On 7/30/2020 6:46 AM, Steven Yi wrote:
>     > Hi Michael,
>     >
>     > Thanks for the link, I missed that when I went to explore JBS.
>     I'll report
>     > the issue there.
>     >
>     > All best,
>     > Steven
>     >
>     >
>     > On Thu, Jul 30, 2020 at 3:25 AM Michael Paus <mp at jugs.org
>     <mailto:mp at jugs.org>> wrote:
>     >
>     >> Hi Steven,
>     >> the right place for bug reports like this is here:
>     >> <https://bugs.java.com/bugdatabase/>
>     >> Michael
>     >>
>     >> Am 30.07.20 um 01:28 schrieb Steven Yi:
>     >>> Hi All,
>     >>>
>     >>> I'm not sure if this is the place to report this, but
>     hopefully so. (I
>     >> did
>     >>> not see a way to create an account or report issues on JBS.)
>     >>>
>     >>> I am using JavaFX embedded within a Swing application and had
>     found
>     >>> intermittent deadlocks on macOS that I wasn't sure why it was
>     happening.
>     >> I
>     >>> was finally able to create a minimal working example and have
>     published
>     >> it
>     >>> here:
>     >>>
>     >>> https://github.com/kunstmusik/ContextMenuHangingTest
>     >>>
>     >>> The switching applications seems to be a key to getting the
>     deadlock to
>     >>> happen. Testing with debugger in Netbeans, when the app
>     freezes, I paused
>     >>> the app and saw this in the Java FX Application Thread stack:
>     >>>
>     >>> "JavaFX Application Thread"
>     >>> at sun.lwawt.macosx.LWCToolkit.doAWTRunLoopImpl(LWCToolkit.java)
>     >>> at sun.lwawt.macosx.LWCToolkit.doAWTRunLoop(LWCToolkit.java:913)
>     >>> at sun.lwawt.macosx.LWCToolkit.invokeAndWait(LWCToolkit.java:694)
>     >>> at sun.lwawt.macosx.LWCToolkit.invokeAndWait(LWCToolkit.java:639)
>     >>> at
>     sun.lwawt.macosx.CAccessibility.invokeAndWait(CAccessibility.java:94)
>     >>> at
>     sun.lwawt.macosx.CAccessibility.getFocusOwner(CAccessibility.java:548)
>     >>> at com.sun.glass.ui.mac.MacWindow._setView(MacWindow.java)
>     >>> at com.sun.glass.ui.Window.setView(Window.java:416)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.tk.quantum.WindowStage.lambda$setScene$0(WindowStage.java:287)
>     >>> at com.sun.javafx.tk.quantum.WindowStage$$Lambda$359.792704517.get
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.tk.quantum.QuantumToolkit.runWithRenderLock(QuantumToolkit.java:430)
>     >>> at
>     com.sun.javafx.tk.quantum.WindowStage.setScene(WindowStage.java:286)
>     >>> at javafx.stage.Window$12.invalidated(Window.java:1085)
>     >>> at
>     >>>
>     >>
>     javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
>     >>> at
>     >>>
>     >>
>     javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:145)
>     >>> at javafx.stage.Window.setShowing(Window.java:1174)
>     >>> at javafx.stage.Window.show(Window.java:1189)
>     >>> at javafx.stage.PopupWindow.showImpl(PopupWindow.java:472)
>     >>> at javafx.stage.PopupWindow.show(PopupWindow.java:417)
>     >>> at javafx.scene.control.ContextMenu.doShow(ContextMenu.java:323)
>     >>> at javafx.scene.control.ContextMenu.show(ContextMenu.java:265)
>     >>> at
>     >>>
>     >>
>     com.kunstmusik.contextmenuhangingtest.HangingTest.lambda$main$0(HangingTest.java:29)
>     >>> at
>     >>>
>     >>
>     com.kunstmusik.contextmenuhangingtest.HangingTest$$Lambda$191.1699780362.handle
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
>     >>> at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
>     >>> at javafx.event.Event.fireEvent(Event.java:198)
>     >>> at javafx.scene.Node.fireEvent(Node.java:8885)
>     >>> at javafx.scene.control.Button.fire(Button.java:203)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:206)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.scene.control.behavior.ButtonBehavior$$Lambda$247.642849157.handle
>     >>> at
>     >>
>     com.sun.javafx.scene.control.inputmap.InputMap.handle(InputMap.java:274)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.scene.control.inputmap.InputMap$$Lambda$242.1652994145.handle
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
>     >>> at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
>     >>> at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
>     >>> at javafx.event.Event.fireEvent(Event.java:198)
>     >>> at javafx.scene.Scene$MouseHandler.process(Scene.java:3890)
>     >>> at javafx.scene.Scene.processMouseEvent(Scene.java:1885)
>     >>> at
>     javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2618)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.tk.quantum.EmbeddedScene.lambda$mouseEvent$4(EmbeddedScene.java:287)
>     >>> at
>     com.sun.javafx.tk.quantum.EmbeddedScene$$Lambda$322.1002466434.run
>     >>> at
>     java.security.AccessController.doPrivileged(AccessController.java)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.tk.quantum.EmbeddedScene.lambda$mouseEvent$5(EmbeddedScene.java:280)
>     >>> at
>     com.sun.javafx.tk.quantum.EmbeddedScene$$Lambda$321.1000105301.run
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
>     >>> at
>     com.sun.javafx.application.PlatformImpl$$Lambda$163.1646337711.run
>     >>> at
>     java.security.AccessController.doPrivileged(AccessController.java)
>     >>> at
>     >>>
>     >>
>     com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
>     >>> at
>     com.sun.javafx.application.PlatformImpl$$Lambda$162.158199555.run
>     >>> at
>     >>>
>     >>
>     com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
>     >>> Any help would be very much appreciated.
>     >>>
>     >>> Thanks,
>     >>> Steven
>     >>
>     >>
>



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