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DotNetCoreCLI@2's dotnet test hangs indefinitely when a child process inherited the STDIO streams and has not yet exited #17548

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ChristoWolf opened this issue Jan 2, 2023 · 8 comments
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DotNetCoreCLI@2's dotnet test hangs indefinitely when a child process inherited the STDIO streams and has not yet exited #17548

ChristoWolf opened this issue Jan 2, 2023 · 8 comments
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@rvairavelu
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Area: ABTT Akvelon Build Tasks Team area of work bug Task: DotNetCoreCLI

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@ChristoWolf
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Required Information

Question, Bug, or Feature?
Type: Bug

Enter Task Name: DotNetCoreCLI@2

Environment

  • Server: Azure DevOps Server 2020
  • Agent: Private, Windows 10 20H2, agent v2.213.2

Issue Description

Instead of showing the current execution time as usual, executing the test command via the DotNetCoreCLI@2 task shows 100% while hanging indefinitely (until the configured timeout triggers), and not traces of the log can be found anywhere (there are bits and pieces of the log in the agent's _diag/pages folder, but nothing complete).

This happens when a child process of dotnet locks its IO stream(s), and dotnet test reports

The STDIO streams did not close within 10 seconds of the exit event from process 'C:\agent\_work\_tool\dotnet\dotnet.exe'. This may indicate a child process inherited the STDIO streams and has not yet exited.

Task logs

N/A
@ChristoWolf ChristoWolf mentioned this issue Jan 3, 2023
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@ChristoWolf
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ChristoWolf commented Feb 16, 2023 •
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I cannot verify this currently, but this might be fixed by this agent bug fix.

@BoutemineOualid
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Same issue here.

@afscrome afscrome mentioned this issue Jun 8, 2023
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4 tasks
Viir added a commit to pine-vm/pine that referenced this issue Jul 2, 2023
@Viir
Adapt explicit disposal of volatile processes to Azure Pipelines
d9263dd 
With the previous version, Azure Pipeline sometimes failed the execution of the tests, not completing the test step.
Looking into these failures, I also found the following message in the logs from Azure Pipelines:

> The STDIO streams did not close within 10 seconds of the exit event from process 'C:\hostedtoolcache\windows\dotnet\dotnet.exe'. This may indicate a child process inherited the STDIO streams and has not yet exited.

For discussions of the problem, see also:

+ microsoft/azure-pipelines-tasks#17548
+ microsoft/azure-pipelines-tasks#13033
+ microsoft/azure-pipelines-tasks#18476
Viir added a commit to pine-vm/pine that referenced this issue Jul 2, 2023
@Viir
Adapt explicit disposal of volatile processes to Azure Pipelines
6babd4e 
With the previous version, Azure Pipeline sometimes failed the execution of the tests, not completing the test step.
Looking into these failures, I also found the following message in the logs from Azure Pipelines:

> The STDIO streams did not close within 10 seconds of the exit event from process 'C:\hostedtoolcache\windows\dotnet\dotnet.exe'. This may indicate a child process inherited the STDIO streams and has not yet exited.

For discussions of the problem, see also:

+ microsoft/azure-pipelines-tasks#17548
+ microsoft/azure-pipelines-tasks#13033
+ microsoft/azure-pipelines-tasks#18476
Viir added a commit to pine-vm/pine that referenced this issue Jul 2, 2023
@Viir
Adapt explicit disposal of volatile processes to Azure Pipelines
b017631 
With the previous version, Azure Pipeline sometimes failed the execution of the tests, not completing the test step.
Looking into these failures, I also found the following message in the logs from Azure Pipelines:

> The STDIO streams did not close within 10 seconds of the exit event from process 'C:\hostedtoolcache\windows\dotnet\dotnet.exe'. This may indicate a child process inherited the STDIO streams and has not yet exited.

For discussions of the problem, see also:

+ microsoft/azure-pipelines-tasks#17548
+ microsoft/azure-pipelines-tasks#13033
+ microsoft/azure-pipelines-tasks#18476
@sona-jain
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I am hitting same issue. What circumstances make it hang?

@NorbertNemec
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I'm experiencing a very similar issue with a different task (in my case https://www.unitydevops.com/) - the problem here is that Unity.exe - a complex program outside our control - leaves some child processed alive when it exists cleanly. The executable cleanly ends with Exit Code 0 but then Azure Pipelines still waits indefinitely until it times out and considers the task failed.

Unfortunately, Azure Pipelines offers not info about which child process is still running and offers no means to kill the child processes. Following some discussion on various forums, I would even have assumed that it should kill child processes by default and provide some info (error?) about that.

@maranmaran
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Finding same issues with Specflow and chrome driver staying active.

@ChristoWolf ChristoWolf mentioned this issue Jan 31, 2024
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@ChristoWolf
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Hi @rvairavelu!

Are there any news regarding this issue?

@KonstantinTyukalov KonstantinTyukalov added Area: ABTT Akvelon Build Tasks Team area of work Task: DotNetCoreCLI and removed Area: Release labels Mar 27, 2024
@GabrielHSFerreira
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Hi guys.

Having same problem here when running multiple test projects. Any workarounds available?

@GabrielHSFerreira
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Is it the same problem reported on dotnet/sdk#27106 and dotnet/sdk#9452?

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@rvairavelu rvairavelu

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Area: ABTT Akvelon Build Tasks Team area of work bug Task: DotNetCoreCLI
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@BoutemineOualid @GabrielHSFerreira @maranmaran @NorbertNemec @ChristoWolf @KonstantinTyukalov @rvairavelu @sona-jain