status behind JDK-8149738

Matthieu BROUILLARD matthieu at brouillard.fr
Tue Apr 12 08:56:32 UTC 2016


Hi,

let me try to give more insights

*>>> 0. resume of running and crashing JVMs*
64 bits: all tested work (at least issue not reproduced)
32 bits:
   - 8u74-i586, 8u60-i586: fail
   - 8u45-i586: OK

*>>> 00. Application under test*
We have simplified the reproducer JavaFX app as "just" a simple webview
opening our GWT webapplication.
There's no magic here, just a call to load() method on the WebEngine of a
WebView.

*>>> 1. What Content is loaded to WebEngine. (Live webpage or custom
content)*
It is a dynamic GWT webapplication.
When launched, the application loads correctly: dynamic content (multiple
dynamic parts in the app) is created/loaded/shown.
The loaded page shows several tabs, when clicking on a tab the JVM crashes.

*>>> 2. which mouse event lead to crash (Right / left click, Double click,
Scroll)*
single left click.

*>>> 3. W.r.t 2nd point, is there a pop-up dialog exist ? or what was the
html element under which mouse event triggered (Input element, Editable
div, Form elements, Image , upload dialog, table,etc).*
it is a simple div element that is CSS styled.

*>>> 4. Any Modal Dialog used in the application under test , which will be
used as a call back to an event from WebEngine ?*
No in this case our JavaFX reproducer app, is nothing more than:
    ...
    WebView wv = new WebView();
    wv.getEngine().load("http://ourwebapp");
    ...

In our global product we have indeed interaction between the host JVM & the
webapp ; but here we reproduce the crash with a simple app consisting of
the 2 lines above.


On Tue, Apr 12, 2016 at 9:41 AM, Guru Hb <guru.hb at oracle.com> wrote:

> Hi Matthieu,
>
> Crash is due to Mouse event is not handled correctly from WebView context.
>
> Could you please provide these details.
>
> 1. What Content is loaded to WebEngine. (Live webpage or custom content)
> 2. which mouse event lead to crash (Right / left click, Double click,
> Scroll)
> 3. W.r.t 2nd point, is there a pop-up dialog exist ? or what was the html
> element under which mouse event triggered (Input element, Editable div,
> Form elements, Image , upload dialog, table,etc).
> 4. Any Modal Dialog used in the application under test , which will be
> used as a call back to an event from WebEngine ?
>
> With above details , i could derive a test content / scenario to
> re-produce the crash.
>
> Thanks,
> Guru
>
> On 11/4/16 10:09 PM, Matthieu BROUILLARD wrote:
>
>> Hi all,
>>
>> In our application that integrates some webapps we are facing quite the
>> same error than the one reported at
>> https://bugs.openjdk.java.net/browse/JDK-8149738.
>> The issue above has been marked with 'bugdb_22696741' ; does it mean it is
>> referenced with more details elsewhere? Is there a known workaround?
>>
>> In our use case, when navigating in the webview into some GWT based
>> application using 8u74-i586 (or 8u60-i586) we always crash the JVM and
>> using 8u74 (64 bits) everything works.
>> Doing additional tests revealed that 8u45-b51-i586 is working ; but
>> unfortunately we have already moved on to more recent JDKs for our entire
>> application.
>>
>> Sadly I do not have a simple reproduction app to provide.
>> We also enable some prism debug settings without seeing anything relevant
>> in the logs ; activating the software pipeline didn't changed anything
>> neither.
>>
>> Are there specific debug params for the webview, webkit & jfxwebkit.dll ?
>>
>> The crash report looks the same than in the above issue:
>>
>> # # # # # # # # # # # # # # # # #
>>
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x5456b7c9, pid=5836,
>> tid=6260
>> #
>> # JRE version: Java(TM) SE Runtime Environment (8.0_74-b02) (build
>> 1.8.0_74-b02)
>> # Java VM: Java HotSpot(TM) Client VM (25.74-b02 mixed mode windows-x86 )
>> # Problematic frame:
>> # C  [jfxwebkit.dll+0x8eb7c9]
>> ...
>> #
>>
>> ---------------  T H R E A D  ---------------
>>
>> Current thread (0x0563d000):  JavaThread "JavaFX Application Thread"
>> [_thread_in_native, id=6260, stack(0x05c70000,0x05cc0000)]
>>
>> siginfo: ExceptionCode=0xc0000005, reading address 0x002e0060
>>
>> Registers:
>> EAX=0x002e0030, EBX=0x00000011, ECX=0x0d457870, EDX=0x00000000
>> ESP=0x05cbd578, EBP=0x00000000, ESI=0x0d457870, EDI=0x0bae3030
>> EIP=0x5456b7c9, EFLAGS=0x00210246
>>
>> Top of Stack: (sp=0x05cbd578)
>> 0x05cbd578:   0d202f60 54580e41 00000001 00000001
>> ...
>> 0x05cbd5e8:   54a51a88 00000000 54510e95 0d2f89a0
>>
>> Instructions: (pc=0x5456b7c9)
>> 0x5456b7a9:   24 0c 01 75 35 8b 4e 14 8b c1 c1 e8 09 a8 01 75
>> ...
>> 0x5456b7d9:   06 74 07 8b ce e8 4d de ff ff 5e c2 08 00 cc cc
>>
>>
>> Register to memory mapping:
>>
>> EAX=0x002e0030 is an unknown value
>> EBX=0x00000011 is an unknown value
>> ECX=0x0d457870 is an unknown value
>> EDX=0x00000000 is an unknown value
>> ESP=0x05cbd578 is pointing into the stack for thread: 0x0563d000
>> EBP=0x00000000 is an unknown value
>> ESI=0x0d457870 is an unknown value
>> EDI=0x0bae3030 is an unknown value
>>
>>
>> Stack: [0x05c70000,0x05cc0000],  sp=0x05cbd578,  free space=309k
>> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
>> code)
>> C  [jfxwebkit.dll+0x8eb7c9]
>>
>> Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
>> j  com.sun.webkit.WebPage.twkProcessMouseEvent(JIIIIIIIZZZZZF)Z+0
>> j
>>
>> com.sun.webkit.WebPage.dispatchMouseEvent(Lcom/sun/webkit/event/WCMouseEvent;)Z+141
>> j
>>
>> javafx.scene.web.WebView.processMouseEvent(Ljavafx/scene/input/MouseEvent;)V+175
>> j
>>
>> javafx.scene.web.WebView.lambda$registerEventHandlers$32(Ljavafx/scene/input/MouseEvent;)V+2
>> j  javafx.scene.web.WebView$$Lambda$87.handle(Ljavafx/event/Event;)V+8
>> j
>>
>> com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(Ljavafx/event/Event;)V+5
>> j
>>
>> com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(Ljavafx/event/Event;)V+28
>> j
>>
>> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Ljavafx/event/EventType;Ljavafx/event/Event;)Ljavafx/event/Event;+29
>> j
>>
>> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Ljavafx/event/Event;)Ljavafx/event/Event;+8
>> j
>>
>> com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(Ljavafx/event/Event;)Ljavafx/event/Event;+11
>> j
>>
>> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Ljavafx/event/Event;Ljavafx/event/EventDispatchChain;)Ljavafx/event/Event;+29
>> j
>>
>> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Ljavafx/event/Event;)Ljavafx/event/Event;+69
>> j
>>
>> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Ljavafx/event/Event;Ljavafx/event/EventDispatchChain;)Ljavafx/event/Event;+17
>> j
>>
>> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Ljavafx/event/Event;)Ljavafx/event/Event;+69
>> j
>>
>> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Ljavafx/event/Event;Ljavafx/event/EventDispatchChain;)Ljavafx/event/Event;+17
>> j
>>
>> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Ljavafx/event/Event;)Ljavafx/event/Event;+69
>> j
>>
>> com.sun.javafx.event.EventUtil.fireEventImpl(Ljavafx/event/EventDispatchChain;Ljavafx/event/EventTarget;Ljavafx/event/Event;)Ljavafx/event/Event;+10
>> j
>>
>> com.sun.javafx.event.EventUtil.fireEvent(Ljavafx/event/EventTarget;Ljavafx/event/Event;)Ljavafx/event/Event;+46
>> j
>>
>> javafx.event.Event.fireEvent(Ljavafx/event/EventTarget;Ljavafx/event/Event;)V+30
>> j
>>
>> javafx.scene.Scene$MouseHandler.process(Ljavafx/scene/input/MouseEvent;Z)V+491
>> j
>>
>> javafx.scene.Scene$MouseHandler.access$1500(Ljavafx/scene/Scene$MouseHandler;Ljavafx/scene/input/MouseEvent;Z)V+3
>> j
>>
>> javafx.scene.Scene.impl_processMouseEvent(Ljavafx/scene/input/MouseEvent;)V+6
>> j
>>
>> javafx.scene.Scene$ScenePeerListener.mouseEvent(Ljavafx/event/EventType;DDDDLjavafx/scene/input/MouseButton;ZZZZZZZZZ)V+46
>> j
>>
>> com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run()Ljava/lang/Void;+476
>> j
>>
>> com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run()Ljava/lang/Object;+1
>> v  ~StubRoutines::call_stub
>> J 1203
>>
>> java.security.AccessController.doPrivileged(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;)Ljava/lang/Object;
>> (0 bytes) @ 0x029c8787 [0x029c8720+0x67]
>> j
>>
>> com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$354()Ljava/lang/Void;+11
>> j
>>
>> com.sun.javafx.tk.quantum.GlassViewEventHandler$$Lambda$191.get()Ljava/lang/Object;+4
>> j
>>
>> com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(Ljava/util/function/Supplier;)Ljava/lang/Object;+18
>> j
>>
>> com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(Lcom/sun/glass/ui/View;JIIIIIIIZZ)V+103
>> j  com.sun.glass.ui.View.handleMouseEvent(JIIIIIIIZZ)V+30
>> j  com.sun.glass.ui.View.notifyMouse(IIIIIIIZZ)V+181
>> v  ~StubRoutines::call_stub
>> j  com.sun.glass.ui.win.WinApplication._runLoop(Ljava/lang/Runnable;)V+0
>> j
>>
>> com.sun.glass.ui.win.WinApplication.lambda$null$148(ILjava/lang/Runnable;)V+8
>> j  com.sun.glass.ui.win.WinApplication$$Lambda$38.run()V+12
>> j  java.lang.Thread.run()V+11
>> v  ~StubRoutines::call_stub
>>
>> ...
>>
>> # # # # # # # # # # # # # # # # #
>>
>
>


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