Test Failure: io.openliberty.microprofile.telemetry.internal.monitor_fat.LibertyMetricsTest.threadPoolAndRequestTimingMetricsTest_EE11_FEATURES_MicroProfile_70

[fmhwong]

RTC 305953

threadPoolAndRequestTimingMetricsTest_EE11_FEATURES_MicroProfile_70:junit.framework.AssertionFailedError: 2025-08-10-23:25:50:574 Failed to find all expected strings. The /metrics output is:

    at io.openliberty.microprofile.telemetry.internal.monitor_fat.BaseTestClass.matchStringsWithRetries(BaseTestClass.java:132)
    at io.openliberty.microprofile.telemetry.internal.monitor_fat.BaseTestClass.matchStringsWithRetries(BaseTestClass.java:108)
    at io.openliberty.microprofile.telemetry.internal.monitor_fat.LibertyMetricsTest.threadPoolAndRequestTimingMetricsTest(LibertyMetricsTest.java:84)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    at componenttest.custom.junit.runner.FATRunner$1.evaluate(FATRunner.java:236)
    at componenttest.rules.repeater.RepeatTests$CompositeRepeatTestActionStatement.evaluate(RepeatTests.java:149)
    at org.testcontainers.containers.FailureDetectingExternalResource$1.evaluate(FailureDetectingExternalResource.java:29)
    at componenttest.custom.junit.runner.FATRunner$2.evaluate(FATRunner.java:401)
    at componenttest.custom.junit.runner.FATRunner.run(FATRunner.java:203)

Similar to #32134 but this one failed mainly on zOS.

[the-clam]

Will keep an eye on this, the last occurrence for this was 2025/09/02 0951ET, and the changes I pushed to solve the similar issue were merged 2025/09/02 1849ET. No further occurrences after Sept 2.

[fmhwong]

More occurrences in October, 2025.