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NullReferenceException

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Matthias Bibo
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Matthias Bibo asked on 19 Dec 2018, 09:18 AM

Hello,

in the logfiles of only one customer we find very often this exception:

 

[Arg_NullReferenceException]
Argumente: 
Debuggingressourcen-Zeichenfolgen sind nicht verfügbar. Oft enthalten der Schlüssel und die Argumente genügend Informationen zur Diagnose des Problems. Weitere Informationen erhalten Sie unter http://go.microsoft.com/fwlink/?linkid=106663&Version=5.1.50907.00&File=mscorlib.dll&Key=Arg_NullReferenceException
StackTrace:
   bei Telerik.Windows.Controls.RadUpload.<EnumerateDropFilters>d__c.MoveNext()
   bei Telerik.Windows.Controls.RadUpload.ApplyDropFilter(FileInfo entity)
   bei Telerik.Windows.Controls.RadUpload.GaterDroppedFiles(FileInfo[] files)
   bei Telerik.Windows.Controls.RadUpload.ProcessDroppedData(DragEventArgs e)
   bei Telerik.Windows.Controls.RadUpload.OnDrop(DragEventArgs e)
   bei System.Windows.Controls.Control.OnDrop(Control ctrl, EventArgs e)
   bei MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)

Why does this happen (rights problem?, something goes wrong with drag/drop?, some encoding problem?, too long paths?).

We can only find it in the logfile from one customer, at the others, it works fine.

What can it be?

 

Regards

 

 

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Vladimir Stoyanov
Telerik team
answered on 21 Dec 2018, 03:58 PM
Hello Matthias,

Thank you for the provided stacktrace.

I am afraid that I cannot tell for certain what the reason for this exception is based on the provided information.

In order to better assist you, may I kindly ask you to open a new support ticket and share a sample application that reproduces the exception on the customer's machine. Additionally, you can share which version of the Telerik dlls are used and some information about the operating system version on the customer's machine. This will hopefully allow us to reproduce the exception on our end and investigate it.

Thank you in advance for any help you can provide.

Regards,
Vladimir Stoyanov
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Matthias Bibo
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Vladimir Stoyanov
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