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ViewerX Version 3.5.x crashing on connect/reconnect/disconnect
ViewerX Version 3.5.x crashing on connect/reconnect/disconnect
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ViewerX Version 3.5.x crashing on connect/reconnect/disconnect
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CEikeland
CEikeland
posted 11 Years Ago
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Hi,
I'm using the ViewerX component a few years now in our products. Every now and then the ViewerX component will crash on connect/reconnect or disconnect from a vnc-server. This will happen with a single VNC-connection or with multiple VNC-connections.
This is reproducible with all the ViewerX versions 3.x.x
Your ViewerX-Demos are affected and your latest version of VNC-Manger 6.9 is alsow affected. I have send a bugreport on this.
Client OS affected are WinXP, Win7 prof. Win 8 I have not tried yet.
I need this issue fixed!
Hope you can help!!
Thanx
CEikeland
//Snip Exception Start
24.09.2014 21:18:44: 0000000205: VNC->AxVNCX_Connecting()
24.09.2014 21:18:44: 0000000206: EXCEPTION->ex.MessageEine externe Komponente hat eine Ausnahme ausgelöst. [CLASS:StartApp->HandleUnhandledException][CALLED:SubMain]
24.09.2014 21:18:44: 0000000207: EXCEPTION->ex.InnerException.Message[leer] [CLASS:StartApp->HandleUnhandledException][CALLED:SubMain]
24.09.2014 21:18:44: 0000000208: EXCEPTION->ex.StackTrace bei System.Windows.Forms.UnsafeNativeMethods.DispatchMessageA(MSG& msg)
bei System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
bei System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
bei System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
bei System.Windows.Forms.Application.Run(Form mainForm)
// Snip End
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Yury Averkiev (s-code)
Yury Averkiev (s-code)
posted 11 Years Ago
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Hi CEikeland,
we have been hunting this bug for close to two years now and frankly, it drives us nuts. No matter what we do we cannot reproduce this crash in a lab.
Do you see any pattern with those crashes? Any specific details that might help us to reproduce the crash under a debugger?
Regards,
Yury Averkiev,
SmartCode
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CEikeland
CEikeland
posted 11 Years Ago
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Hi,
our test scenario is pretty simple (using the ServerX component):
We set the idleTimeout property of the ServerX component to 10 sec. and let it disconnect.
The ViewerX component will try to reconnect to the ServerX component. And ViewerX will crash!!
Crashes (Exceptions raised!) occure:
- On ServerX disconnect
- On ViewerX connect/reconnect/disconnect
- On reading/setting properties like Viewer.visible etc. no matter what encoding used or scalefactor set.
sometimes it will crash immediately and sometimes it will reconnect fine 20 times until it chrashes.
I hope this will be usefull.
Regards
CEikeland
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Yury Averkiev (s-code)
Yury Averkiev (s-code)
posted 11 Years Ago
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Would you be able to send us source code of the ViewerX application or debug version of the ViewerX application (we will need pdb files in this case) so we could run it under a debugger?
Regards,
Yury Averkiev,
SmartCode
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CEikeland
CEikeland
posted 11 Years Ago
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Hi,
well, you can test it with your own demo-code. Set up the ServerX as mentioned above and let the viewerx client automaticly reconnet to the server.
Regards
CEikeland
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Yury Averkiev (s-code)
Yury Averkiev (s-code)
posted 11 Years Ago
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We had tried that. My suspicion is that there is a raise condition bug that manifests itself on certain hardware configurations only. We will give it another try, let it run overnight and see if it crashes.
Regards,
Yury Averkiev,
SmartCode
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Yury Averkiev (s-code)
Yury Averkiev (s-code)
posted 11 Years Ago
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Hi CEikeland,
we have been able the bug that causes ViewerX and SmartCode VNC Manager to crash upon disconnect/reconnect.
A new build with the fix will be released by the end of this week.
Regards,
Yury Averkiev,
SmartCode
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rick
rick
posted 10 Years Ago
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Same problem occured when I used ViewerX 3.5.9.0, so this bug seems no fixed on version 3.5.9.
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Yury Averkiev (s-code)
Yury Averkiev (s-code)
posted 10 Years Ago
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Hi Rick,
I'm sorry to hear that. This must be a different bug then. Because since release of the ViewerX 3.5.9 and VNC Manager 6.9.12, we are not seeing disconnect related crashes in the automatic crash reports.
When ViewerX crashes, what's the memory address where the crash occurs?
Regards,
Yury Averkiev,
SmartCode
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rick
rick
posted 10 Years Ago
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Crash Reports :
ServerX
ViewerX
(same issue I had post on ServerX forum #4644 . )
Rick.
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