RollingAppenderDirectCronTest.testAppender(LoggerContext, RollingFileAppender) is unreliable

[garydgregory]

Description

The test RollingAppenderDirectCronTest.testAppender(LoggerContext, RollingFileAppender) is unreliable:

[INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.52 s -- in org.apache.logging.log4j.core.appender.TlsSyslogAppenderTest
17:14:12.956 main ERROR The handler cannot be set to null
2024-10-01T21:14:13.119566500Z main ERROR Test `testAppender(LoggerContext, RollingFileAppender)` has failed, dumping status data... java.lang.AssertionError:
Expecting actual not to be empty
        at org.apache.logging.log4j.core.appender.rolling.RollingAppenderDirectCronTest$RolloverDelay.rolloverComplete(RollingAppenderDirectCronTest.java:107)
        at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:524)
        at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:479)
        at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:153)
        at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.access$100(CronTriggeringPolicy.java:40)
        at org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy$CronTrigger.run(CronTriggeringPolicy.java:176)
        at org.apache.logging.log4j.core.config.ConfigurationScheduler$CronRunnable.run(ConfigurationScheduler.java:243)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)

Configuration

Version:

commit ad3c03d231913bfc9d613de91408c61649cc6d60 (HEAD -> 2.x, origin/2.x)
Author: Volkan Yazıcı <volkan@yazi.ci>
Date:   Tue Oct 1 21:09:31 2024 +0200

    Fix Awaitility usage in `SocketAppenderReconnectTest` (#3004)

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

https://gist.github.com/garydgregory/2e982c9d0bb1e56457ec1984eff9d30e

Reproduction

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