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Major issue with Performance Profiler

Hello

We have a massive issue with the profiler

Does anyone know how to resolve the error below?

System.MethodAccessException: Attempt by security transparent method 'System.Net.Http.HttpClient.FinishSendAsyncBuffered(System.Threading.Tasks.Task`1<System.Net.Http.HttpResponseMessage>, System.Net.Http.HttpRequestMessage, System.Threading.CancellationTokenSource, Boolean)' to call native code through method '<Module>._ANTS_Begin_Async()' failed.  Methods must be security critical or security safe-critical to call native code.
   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)
   at System.Net.Http.HttpClient.SendAsync(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken)
   at System.Net.Http.HttpClient.GetAsync(Uri requestUri, HttpCompletionOption completionOption, CancellationToken cancellationToken)
   at System.Net.Http.HttpClient.GetAsync(String requestUri)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
   at Inspired.TradingPlatform.PositionManagement.Tests.Console.Scenario.Scenario.<RunAsync>d__2.MoveNext() in --- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()

Paul
Paul
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  • Russell D
    Its hard to know exactly where the call is coming from without a log file but;

    • If the offending DLL is your own code, you can try just removing the [AllowPartiallyTrustedCallers] attribute (if present)

    • You can disable async profiling (Tools>Advanced Options> Profile with Async awareness)

    • Or you can keep the async profiling option turned on and also avoid the error if you add the offending dll to the profiler's line-level blacklist. You can do this by adding the following line to the LineLevelBlacklist.xml file in %localappdata%\Red Gate\ANTS Performance Profiler 10

    Russell D
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