Dot Net Core 3.1.2 Application are not showing metrics

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• CA Application Performance Management (APM / Wily / Introscope)
• INTROSCOPE
• DX Application Performance Management

Issue/Introduction

The agent instruments the .net framework fine.
But the dot net core 3.1.2 Applications, the Nativeprofiler show it instrumenting, but no file for the autoprobe or introscope log appears. No errors. 

Application w3wp.exe is an IIS process
AppPool BRE_API monitored
Runtime Info: Core CLR (0x2) version 4.0_30319
Module Loaded System.Private.CoreLib (4.0.0-0) [ngen:0] Domain: DefaultDomain from C:\Program Files\dotnet\shared\Microsoft.NETCore.App\3.1.2\System.Private.CoreLib.dll
Looking for agent at C:\Program Files\CA APM\Introscope\wily\bin\netcore\wily.Agent.dll
Defined Synthetic Shim
Started loading C:\Program Files\CA APM\Introscope\wily\default-typical.pbl
Started loading C:\Program Files\CA APM\Introscope\wily\toggles-typical.pbd

Instrumented [System.Data.Common]System.Data.Common.DbCommand::ExecuteReaderAsync - 0x0(12)
Instrumented [Microsoft.Data.SqlClient]Microsoft.Data.SqlClient.SqlCommand::ExecuteReaderAsync - 0x0(12)
Instrumented [Microsoft.Data.SqlClient]Microsoft.Data.SqlClient.SqlDataReader::Close - 0x0(12)
Instrumented [Microsoft.Data.SqlClient]Microsoft.Data.SqlClient.SqlConnection::Close - 0x0(12)
Instrumented [Microsoft.Data.SqlClient]Microsoft.Data.SqlClient.SqlConnection::Dispose - 0x0(12)
Module Loaded Microsoft.AspNetCore.WebUtilities (3.1.0-2) [ngen:0] Domain: clrhost from C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App\3.1.2\Microsoft.AspNetCore.WebUtilities.dll
Module Loaded System.Net.WebSockets (4.1.0-2) [ngen:0] Domain: clrhost from C:\Program Files\dotnet\shared\Microsoft.NETCore.App\3.1.2\System.Net.WebSockets.dll

Environment

Release : 11.1.3

Component : APM Agents

Cause

The default APM Dot Net Core Agent is not tested nor designed to monitor a dot net core version 3.1.2 application.

Resolution

APM Development and Product Management provided a new APM Net Core Agent 

Please open a support case to obtain the latest Agent.