The test AsyncThreadContextDefaultTest is unreliable

[garydgregory]

Description

The test AsyncThreadContextDefaultTest is unreliable:

...
[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR]   AsyncThreadContextDefaultTest.testAsyncLogWritesToLog:38->AbstractAsyncThreadContextTestBase.testAsyncLogWritesToLog:188->AbstractAsyncThreadContextTestBase.checkResult:221 [Log file 'AsyncLoggerTest.log']
expected: "INFO c.f.Bar mapvalue [stackvalue] {KEY=mapvalue, configProp=configValue, configProp2=configValue2} WEBAPP DefaultThreadContextMap AsyncLoggerContext i=0"
 but was: "INFO c.f.Bar mapvalue [stackvalue, stackvalue] {KEY=mapvalue, configProp=configValue, configProp2=configValue2} WEBAPP DefaultThreadContextMap AsyncLoggerContext i=0"
[ERROR] Errors:
[ERROR]   AsyncThreadContextDefaultTest.testAsyncLogWritesToLog:38->AbstractAsyncThreadContextTestBase.testAsyncLogWritesToLog:176 » ConditionTimeout Condition with Lambda expression in org.apache.logging.log4j.core.async.AbstractAsyncThreadContextTestBase was not fulfilled within 500 milliseconds.
[INFO]
[ERROR] Tests run: 3786, Failures: 1, Errors: 1, Skipped: 33
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for Apache Log4j BOM 2.25.0-SNAPSHOT:
[INFO]
[INFO] Apache Log4j BOM ................................... SUCCESS [ 44.982 s]
[INFO] Apache Log4j Parent ................................ SUCCESS [  3.181 s]
[INFO] Apache Log4j API Java 9 support .................... SUCCESS [ 14.568 s]
[INFO] Apache Log4j API ................................... SUCCESS [ 40.655 s]
[INFO] Apache Log4j Implementation Java 9 support ......... SUCCESS [  8.318 s]
[INFO] Apache Log4j Core .................................. SUCCESS [01:58 min]
[INFO] Apache Log4j API Tests ............................. SUCCESS [01:30 min]
[INFO] Apache Log4j Core Tests ............................ FAILURE [10:36 min]
...

Configuration

Version:

commit 38bc033443c85f9df68c9406fdacf32cb24d5143 (HEAD -> 2.x, origin/2.x)
Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Date:   Tue Oct 1 19:53:17 2024 +0000

    Update `com.google.guava:guava` to version `33.3.1-jre` (#3009)

Operating system:

Microsoft Windows [Version 10.0.19045.4780]

JDK:

openjdk version "17.0.12" 2024-07-16
OpenJDK Runtime Environment Temurin-17.0.12+7 (build 17.0.12+7)
OpenJDK 64-Bit Server VM Temurin-17.0.12+7 (build 17.0.12+7, mixed mode, sharing)

Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937)
Maven home: C:\java\apache-maven-3.9.9
Java version: 17.0.12, vendor: Eclipse Adoptium, runtime: C:\Program Files\Eclipse Adoptium\jdk-17.0.12.7-hotspot
Default locale: en_US, platform encoding: UTF-8
OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"

Logs

Full build console output: https://gist.github.com/garydgregory/90e31d986dfaa66d721c3e593c3240e9

Reproduction

Run:

cls && git log -1 && mvn clean verify