.Net core alpine linux image throwing Microsoft.AspNetCore.Server.Kestrel (System.AggregateException)

[Sham.Sharma]

Hi Team, 

We are using appd .net core Linux alpine image 20.7.0 image for our .net core 3.1 application and trying to deploy appdynamics with it. 

For .net applications that are using kestrel service are giving exception when Appd agent is getting started. 

Unhandled exception while processing 0HM4SAP0EPM6O.

Category Name: Microsoft.AspNetCore.Server.Kestrel

Stack Trace

System.AggregateException:

   at Microsoft.Extensions.Logging.Logger.ThrowLoggingError (Microsoft.Extensions.Logging, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at Microsoft.Extensions.Logging.Logger.Log (Microsoft.Extensions.Logging, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.KestrelTrace.Log (Microsoft.AspNetCore.Server.Kestrel.Core, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at Microsoft.Extensions.Logging.LoggerExtensions.Log (Microsoft.Extensions.Logging.Abstractions, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at Microsoft.Extensions.Logging.LoggerExtensions.LogCritical (Microsoft.Extensions.Logging.Abstractions, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.HttpConnection+<ProcessRequestsAsync>d__12`1.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)

   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)

   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.ConnectionLimitMiddleware+<OnConnectionAsync>d__5.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)

   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)

   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.KestrelConnection+<ExecuteAsync>d__32.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

Inner exception System.InvalidProgramException handled at Microsoft.Extensions.Logging.Logger.ThrowLoggingError:

   at HoneywellEOM.ModelRegistry.Utils.LoggerScopeLogger.Log (HoneywellEOM.ModelRegistry.Util, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null)

   at Microsoft.Extensions.Logging.Logger.<Log>g__LoggerLog|12_0 (Microsoft.Extensions.Logging, Version=3.1.8.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

we have also raised a ticket with AppD support: https://help.appdynamics.com/hc/en-us/requests/264921?page=1  

AppD dot net configs we are using 

ASPNETCORE_URLS: "http://*:5000"
CORECLR_ENABLE_PROFILING: "1"
CORECLR_PROFILER: "{57e1aa68-2229-41aa-9931-a6e93bbc64d8}"
CORECLR_PROFILER_PATH: "/opt/appdynamics/dotnet/libappdprofiler.so"
LD_LIBRARY_PATH: "/opt/appdynamics/dotnet"

@Cody.Naumann can you help?

^ Edited by @Ryan.Paredez for readability and removing an email address. Please do not share your or others email addresses in community posts for security and privacy reasons

[Sham.Sharma]

@meera.viswanathan  I read your blog on dot net core AppD, a good read !! Could you help us out here or someone from your team? 
I have raised a ticket as well or this https://help.appdynamics.com/hc/en-us/requests/264921?page=1  

@Cody.Naumann - Kindly help 

[Ryan.Paredez]

Hi @Sham.Sharma,

Since you have created a support ticket, please work with the support team on this issue. Can you please share the learnings and outcomes from the support ticket back on this post, please. This community is all about knowledge sharing. What you learn can help the next person.