RollingAppenderDeleteAccumulatedCount1Test is unreliable

[garydgregory]

Description

RollingAppenderDeleteAccumulatedCount1Test is unreliable

RollingAppenderDeleteAccumulatedCount1Test.testAppender:84 [target\rolling-with-delete-accum-count1\test\my-1.log, target\rolling-with-delete-accum-count1\test\my-2.log, target\rolling-with-delete-accum-count1\test\my-3.log, target\rolling-with-delete-accum-count1\test\my-4.log, target\rolling-with-delete-accum-count1\test\my-5.log, target\rolling-with-delete-accum-count1\test\test-3.log, target\rolling-with-delete-accum-count1\test\test-4.log, target\rolling-with-delete-accum-count1\test\test-5.log, target\rolling-with-delete-accum-count1\test\test-6.log, target\rolling-with-delete-accum-count1\test\test-7.log, target\rolling-with-delete-accum-count1\test\test-8.log, target\rolling-with-delete-accum-count1\test\test-9.log] expected:<11> but was:<12>

Configuration

Version: 2.x at 01125b1

Operating system:
Microsoft Windows [Version 10.0.19045.4780

JDK:
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

[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.260 s <<< FAILURE! -- in org.apache.logging.log4j.core.appender.rolling.RollingAppenderDeleteAccumulatedCount1Test
[ERROR] org.apache.logging.log4j.core.appender.rolling.RollingAppenderDeleteAccumulatedCount1Test.testAppender -- Time elapsed: 3.223 s <<< FAILURE!
java.lang.AssertionError: [target\rolling-with-delete-accum-count1\test\my-1.log, target\rolling-with-delete-accum-count1\test\my-2.log, target\rolling-with-delete-accum-count1\test\my-3.log, target\rolling-with-delete-accum-count1\test\my-4.log, target\rolling-with-delete-accum-count1\test\my-5.log, target\rolling-with-delete-accum-count1\test\test-3.log, target\rolling-with-delete-accum-count1\test\test-4.log, target\rolling-with-delete-accum-count1\test\test-5.log, target\rolling-with-delete-accum-count1\test\test-6.log, target\rolling-with-delete-accum-count1\test\test-7.log, target\rolling-with-delete-accum-count1\test\test-8.log, target\rolling-with-delete-accum-count1\test\test-9.log] expected:<11> but was:<12>
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotEquals(Assert.java:835)
        at org.junit.Assert.assertEquals(Assert.java:647)
        at org.apache.logging.log4j.core.appender.rolling.RollingAppenderDeleteAccumulatedCount1Test.testAppender(RollingAppenderDeleteAccumulatedCount1Test.java:84)
        at java.base/java.lang.reflect.Method.invoke(Method.java:569)
        at org.apache.logging.log4j.core.test.junit.LoggerContextRule$1.evaluate(LoggerContextRule.java:136)

Reproduction

mvn clean install