Test failed: System.Net.NameResolution.Tests.LoggingTest.GetHostEntryAsync_InvalidHost_LogsError

[VincentBu]

Job: runtime-coreclr libraries-jitstress 20210116.1

Failed tests:

net6.0-Linux-Release-arm-CoreCLR_checked-zapdisable-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440
net6.0-Linux-Release-arm64-CoreCLR_checked-zapdisable-(Ubuntu.1804.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
        - System.Net.NameResolution.Tests.LoggingTest.GetHostEntryAsync_InvalidHost_LogsError

Error message:

events.Count should be > 0
Expected: True
Actual:   False

stack trace:
at System.Net.NameResolution.Tests.LoggingTest.GetHostEntryAsync_InvalidHost_LogsError() in /_/src/libraries/System.Net.NameResolution/tests/FunctionalTests/LoggingTest.cs:line 91
--- End of stack trace from previous location ---

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Issue Details

---

Job: runtime-coreclr libraries-jitstress 20210116.1

Failed tests:

net6.0-Linux-Release-arm-CoreCLR_checked-zapdisable-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440
net6.0-Linux-Release-arm64-CoreCLR_checked-zapdisable-(Ubuntu.1804.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
        - System.Net.NameResolution.Tests.LoggingTest.GetHostEntryAsync_InvalidHost_LogsError

Error message:

events.Count should be > 0
Expected: True
Actual:   False

stack trace:
at System.Net.NameResolution.Tests.LoggingTest.GetHostEntryAsync_InvalidHost_LogsError() in /_/src/libraries/System.Net.NameResolution/tests/FunctionalTests/LoggingTest.cs:line 91
--- End of stack trace from previous location ---

Author:	VincentBu
Assignees:	-
Labels:	arch-arm32, arch-arm64, area-System.Net, os-linux, untriaged
Milestone:	-

[danmoseley]

@wfurt

[wfurt]

cc: @MihaZupan @gfoidl

[gfoidl]

This is the timing issue outlined in #47034 (comment), unfortunately it's bites us (me) here.

But that will be fixed with #47034, as the latest commit there has a robust handling for the events.

[karelz]

@gfoidl great! Can you please update the PR description that it fixes this issue?