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Ticket T1279986
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Winform Designer Failed to launch the design tools server process in 24.2.5

created 2 days ago

Hello,

I create a Winform APP .NET8 with DevExpress Blanc template in 24.1.6 and have no problem but when i upgrade my app to 24.2.5 Form Designer show an error :
I tried to create a new APP in 24.2.5 and have the same problem while new APP in 24.1.6 works fine

I tried all solutions int this post https://supportcenter.devexpress.com/ticket/details/t923824 but nothing works

Error show in designer :
Failed to launch the design tools server process.
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.VisualStudio.Threading.TplExtensions.d__5.MoveNext()
— Fin de la trace de la pile à partir de l'emplacement précédent au niveau duquel l'exception a été levée —
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.DotNet.DesignTools.Client.Host.ServerProcess.d__29.MoveNext()
— Fin de la trace de la pile à partir de l'emplacement précédent au niveau duquel l'exception a été levée —
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.DotNet.DesignTools.Client.Host.ServerHostFactory.d__9.MoveNext()
— Fin de la trace de la pile à partir de l'emplacement précédent au niveau duquel l'exception a été levée —
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()
— Fin de la trace de la pile à partir de l'emplacement précédent au niveau duquel l'exception a été levée —
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()
— Fin de la trace de la pile à partir de l'emplacement précédent au niveau duquel l'exception a été levée —
à System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
à System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
à Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()

Other problem : i can't open form designer on the default form create by the template, but add a new element seems to works
I can't open Winform Designer on form1 but it works on form2 ( <= add after creating project)
Any idea ?
Clipboard-File-1.png

Comments (1)
Sunkar (DevExpress Support) 2 days ago

    Hello,

    Thank you for the call stack and screenshot.

    It appears that when the form is opened, the designer isn't fully loaded. Please try closing the form tab. Then, build/run the project and reopen the form tab.

    Let me know if this helps.

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